source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p7-auth-13-from-12.diff.html @ 1697

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36<body > 
37  <table border="0" cellpadding="0" cellspacing="0"> 
38  <tr bgcolor="orange"><th></th><th>&nbsp;draft-ietf-httpbis-p7-auth-12.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p7-auth-13.txt&nbsp;</th><th></th></tr> 
39      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
40      <tr><td class="lineno" valign="top"></td><td class="left">HTTPbis Working Group                                   R. Fielding, Ed.</td><td> </td><td class="right">HTTPbis Working Group                                   R. Fielding, Ed.</td><td class="lineno" valign="top"></td></tr>
41      <tr><td><a name="diff0001" /></td></tr>
42      <tr><td class="lineno" valign="top"></td><td class="lblock">Internet-Draft                                              <span class="delete">Day Softwar</span>e</td><td> </td><td class="rblock">Internet-Draft                                              <span class="insert">       Adob</span>e</td><td class="lineno" valign="top"></td></tr>
43      <tr><td class="lineno" valign="top"></td><td class="left">Obsoletes: 2616 (if approved)                                  J. Gettys</td><td> </td><td class="right">Obsoletes: 2616 (if approved)                                  J. Gettys</td><td class="lineno" valign="top"></td></tr>
44      <tr><td class="lineno" valign="top"></td><td class="left">Updates: 2617 (if approved)                               Alcatel-Lucent</td><td> </td><td class="right">Updates: 2617 (if approved)                               Alcatel-Lucent</td><td class="lineno" valign="top"></td></tr>
45      <tr><td class="lineno" valign="top"></td><td class="left">Intended status: Standards Track                                J. Mogul</td><td> </td><td class="right">Intended status: Standards Track                                J. Mogul</td><td class="lineno" valign="top"></td></tr>
46      <tr><td><a name="diff0002" /></td></tr>
47      <tr><td class="lineno" valign="top"></td><td class="lblock">Expires: <span class="delete">April 28, 2011    </span>                                           HP</td><td> </td><td class="rblock">Expires: <span class="insert">September 15, 2011</span>                                           HP</td><td class="lineno" valign="top"></td></tr>
48      <tr><td class="lineno" valign="top"></td><td class="left">                                                              H. Frystyk</td><td> </td><td class="right">                                                              H. Frystyk</td><td class="lineno" valign="top"></td></tr>
49      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
50      <tr><td class="lineno" valign="top"></td><td class="left">                                                             L. Masinter</td><td> </td><td class="right">                                                             L. Masinter</td><td class="lineno" valign="top"></td></tr>
51      <tr><td><a name="diff0003" /></td></tr>
52      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                           <span class="delete">Adobe Systems</span></td><td> </td><td class="rblock">                                                           <span class="insert">        Adobe</span></td><td class="lineno" valign="top"></td></tr>
53      <tr><td class="lineno" valign="top"></td><td class="left">                                                                P. Leach</td><td> </td><td class="right">                                                                P. Leach</td><td class="lineno" valign="top"></td></tr>
54      <tr><td class="lineno" valign="top"></td><td class="left">                                                               Microsoft</td><td> </td><td class="right">                                                               Microsoft</td><td class="lineno" valign="top"></td></tr>
55      <tr><td class="lineno" valign="top"></td><td class="left">                                                          T. Berners-Lee</td><td> </td><td class="right">                                                          T. Berners-Lee</td><td class="lineno" valign="top"></td></tr>
56      <tr><td class="lineno" valign="top"></td><td class="left">                                                                 W3C/MIT</td><td> </td><td class="right">                                                                 W3C/MIT</td><td class="lineno" valign="top"></td></tr>
57      <tr><td class="lineno" valign="top"></td><td class="left">                                                           Y. Lafon, Ed.</td><td> </td><td class="right">                                                           Y. Lafon, Ed.</td><td class="lineno" valign="top"></td></tr>
58      <tr><td class="lineno" valign="top"></td><td class="left">                                                                     W3C</td><td> </td><td class="right">                                                                     W3C</td><td class="lineno" valign="top"></td></tr>
59      <tr><td class="lineno" valign="top"></td><td class="left">                                                         J. Reschke, Ed.</td><td> </td><td class="right">                                                         J. Reschke, Ed.</td><td class="lineno" valign="top"></td></tr>
60      <tr><td class="lineno" valign="top"></td><td class="left">                                                              greenbytes</td><td> </td><td class="right">                                                              greenbytes</td><td class="lineno" valign="top"></td></tr>
61      <tr><td><a name="diff0004" /></td></tr>
62      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                        <span class="delete">October 25, 2010</span></td><td> </td><td class="rblock">                                                        <span class="insert">  March 14, 2011</span></td><td class="lineno" valign="top"></td></tr>
63      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
64      <tr><td class="lineno" valign="top"></td><td class="left">                    HTTP/1.1, part 7: Authentication</td><td> </td><td class="right">                    HTTP/1.1, part 7: Authentication</td><td class="lineno" valign="top"></td></tr>
65      <tr><td><a name="diff0005" /></td></tr>
66      <tr><td class="lineno" valign="top"></td><td class="lblock">                     draft-ietf-httpbis-p7-auth-1<span class="delete">2</span></td><td> </td><td class="rblock">                     draft-ietf-httpbis-p7-auth-1<span class="insert">3</span></td><td class="lineno" valign="top"></td></tr>
67      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
68      <tr><td class="lineno" valign="top"></td><td class="left">Abstract</td><td> </td><td class="right">Abstract</td><td class="lineno" valign="top"></td></tr>
69      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
70      <tr><td class="lineno" valign="top"></td><td class="left">   The Hypertext Transfer Protocol (HTTP) is an application-level</td><td> </td><td class="right">   The Hypertext Transfer Protocol (HTTP) is an application-level</td><td class="lineno" valign="top"></td></tr>
71      <tr><td class="lineno" valign="top"></td><td class="left">   protocol for distributed, collaborative, hypermedia information</td><td> </td><td class="right">   protocol for distributed, collaborative, hypermedia information</td><td class="lineno" valign="top"></td></tr>
72      <tr><td class="lineno" valign="top"></td><td class="left">   systems.  HTTP has been in use by the World Wide Web global</td><td> </td><td class="right">   systems.  HTTP has been in use by the World Wide Web global</td><td class="lineno" valign="top"></td></tr>
73      <tr><td class="lineno" valign="top"></td><td class="left">   information initiative since 1990.  This document is Part 7 of the</td><td> </td><td class="right">   information initiative since 1990.  This document is Part 7 of the</td><td class="lineno" valign="top"></td></tr>
74      <tr><td class="lineno" valign="top"></td><td class="left">   seven-part specification that defines the protocol referred to as</td><td> </td><td class="right">   seven-part specification that defines the protocol referred to as</td><td class="lineno" valign="top"></td></tr>
75      <tr><td class="lineno" valign="top"></td><td class="left">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 7 defines</td><td> </td><td class="right">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.  Part 7 defines</td><td class="lineno" valign="top"></td></tr>
76      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP Authentication.</td><td> </td><td class="right">   HTTP Authentication.</td><td class="lineno" valign="top"></td></tr>
77      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
78      <tr><td class="lineno" valign="top"></td><td class="left">Editorial Note (To be removed by RFC Editor)</td><td> </td><td class="right">Editorial Note (To be removed by RFC Editor)</td><td class="lineno" valign="top"></td></tr>
79      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
80      <tr><td class="lineno" valign="top"></td><td class="left">   Discussion of this draft should take place on the HTTPBIS working</td><td> </td><td class="right">   Discussion of this draft should take place on the HTTPBIS working</td><td class="lineno" valign="top"></td></tr>
81      <tr><td class="lineno" valign="top"></td><td class="left">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</td><td> </td><td class="right">   group mailing list (ietf-http-wg@w3.org).  The current issues list is</td><td class="lineno" valign="top"></td></tr>
82      <tr><td class="lineno" valign="top"></td><td class="left">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/3&gt; and related</td><td> </td><td class="right">   at &lt;http://tools.ietf.org/wg/httpbis/trac/report/3&gt; and related</td><td class="lineno" valign="top"></td></tr>
83      <tr><td class="lineno" valign="top"></td><td class="left">   documents (including fancy diffs) can be found at</td><td> </td><td class="right">   documents (including fancy diffs) can be found at</td><td class="lineno" valign="top"></td></tr>
84      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td> </td><td class="right">   &lt;http://tools.ietf.org/wg/httpbis/&gt;.</td><td class="lineno" valign="top"></td></tr>
85      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
86      <tr><td><a name="diff0006" /></td></tr>
87      <tr><td class="lineno" valign="top"></td><td class="lblock">   The changes in this draft are summarized in Appendix B.1<span class="delete">3</span>.</td><td> </td><td class="rblock">   The changes in this draft are summarized in Appendix B.1<span class="insert">4</span>.</td><td class="lineno" valign="top"></td></tr>
88      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
89      <tr><td class="lineno" valign="top"></td><td class="left">Status of This Memo</td><td> </td><td class="right">Status of This Memo</td><td class="lineno" valign="top"></td></tr>
90      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
91      <tr><td class="lineno" valign="top"></td><td class="left">   This Internet-Draft is submitted in full conformance with the</td><td> </td><td class="right">   This Internet-Draft is submitted in full conformance with the</td><td class="lineno" valign="top"></td></tr>
92      <tr><td class="lineno" valign="top"></td><td class="left">   provisions of BCP 78 and BCP 79.</td><td> </td><td class="right">   provisions of BCP 78 and BCP 79.</td><td class="lineno" valign="top"></td></tr>
93      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
94      <tr><td class="lineno" valign="top"></td><td class="left">   Internet-Drafts are working documents of the Internet Engineering</td><td> </td><td class="right">   Internet-Drafts are working documents of the Internet Engineering</td><td class="lineno" valign="top"></td></tr>
95      <tr><td class="lineno" valign="top"></td><td class="left">   Task Force (IETF).  Note that other groups may also distribute</td><td> </td><td class="right">   Task Force (IETF).  Note that other groups may also distribute</td><td class="lineno" valign="top"></td></tr>
96      <tr><td class="lineno" valign="top"></td><td class="left">   working documents as Internet-Drafts.  The list of current Internet-</td><td> </td><td class="right">   working documents as Internet-Drafts.  The list of current Internet-</td><td class="lineno" valign="top"></td></tr>
97      <tr><td class="lineno" valign="top"></td><td class="left">   Drafts is at http://datatracker.ietf.org/drafts/current/.</td><td> </td><td class="right">   Drafts is at http://datatracker.ietf.org/drafts/current/.</td><td class="lineno" valign="top"></td></tr>
98      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
99      <tr><td class="lineno" valign="top"></td><td class="left">   Internet-Drafts are draft documents valid for a maximum of six months</td><td> </td><td class="right">   Internet-Drafts are draft documents valid for a maximum of six months</td><td class="lineno" valign="top"></td></tr>
100      <tr><td class="lineno" valign="top"></td><td class="left">   and may be updated, replaced, or obsoleted by other documents at any</td><td> </td><td class="right">   and may be updated, replaced, or obsoleted by other documents at any</td><td class="lineno" valign="top"></td></tr>
101      <tr><td class="lineno" valign="top"></td><td class="left">   time.  It is inappropriate to use Internet-Drafts as reference</td><td> </td><td class="right">   time.  It is inappropriate to use Internet-Drafts as reference</td><td class="lineno" valign="top"></td></tr>
102      <tr><td class="lineno" valign="top"></td><td class="left">   material or to cite them other than as "work in progress."</td><td> </td><td class="right">   material or to cite them other than as "work in progress."</td><td class="lineno" valign="top"></td></tr>
103      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
104      <tr><td><a name="diff0007" /></td></tr>
105      <tr><td class="lineno" valign="top"></td><td class="lblock">   This Internet-Draft will expire on <span class="delete">April 28</span>, 2011.</td><td> </td><td class="rblock">   This Internet-Draft will expire on <span class="insert">September 15</span>, 2011.</td><td class="lineno" valign="top"></td></tr>
106      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
107      <tr><td class="lineno" valign="top"></td><td class="left">Copyright Notice</td><td> </td><td class="right">Copyright Notice</td><td class="lineno" valign="top"></td></tr>
108      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
109      <tr><td><a name="diff0008" /></td></tr>
110      <tr><td class="lineno" valign="top"></td><td class="lblock">   Copyright (c) 201<span class="delete">0</span> IETF Trust and the persons identified as the</td><td> </td><td class="rblock">   Copyright (c) 201<span class="insert">1</span> IETF Trust and the persons identified as the</td><td class="lineno" valign="top"></td></tr>
111      <tr><td class="lineno" valign="top"></td><td class="left">   document authors.  All rights reserved.</td><td> </td><td class="right">   document authors.  All rights reserved.</td><td class="lineno" valign="top"></td></tr>
112      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
113      <tr><td class="lineno" valign="top"></td><td class="left">   This document is subject to BCP 78 and the IETF Trust's Legal</td><td> </td><td class="right">   This document is subject to BCP 78 and the IETF Trust's Legal</td><td class="lineno" valign="top"></td></tr>
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121      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
122      <tr bgcolor="gray" ><td></td><th><a name="part-l2" /><small>skipping to change at</small><em> page 3, line 15</em></th><th> </th><th><a name="part-r2" /><small>skipping to change at</small><em> page 3, line 15</em></th><td></td></tr>
123      <tr><td class="lineno" valign="top"></td><td class="left">Table of Contents</td><td> </td><td class="right">Table of Contents</td><td class="lineno" valign="top"></td></tr>
124      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
125      <tr><td class="lineno" valign="top"></td><td class="left">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
126      <tr><td class="lineno" valign="top"></td><td class="left">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">     1.1.  Requirements . . . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
127      <tr><td class="lineno" valign="top"></td><td class="left">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
128      <tr><td class="lineno" valign="top"></td><td class="left">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  4</td><td> </td><td class="right">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  4</td><td class="lineno" valign="top"></td></tr>
129      <tr><td class="lineno" valign="top"></td><td class="left">   2.  Access Authentication Framework  . . . . . . . . . . . . . . .  5</td><td> </td><td class="right">   2.  Access Authentication Framework  . . . . . . . . . . . . . . .  5</td><td class="lineno" valign="top"></td></tr>
130      <tr><td class="lineno" valign="top"></td><td class="left">     2.1.  Authentication Scheme Registry . . . . . . . . . . . . . .  7</td><td> </td><td class="right">     2.1.  Authentication Scheme Registry . . . . . . . . . . . . . .  7</td><td class="lineno" valign="top"></td></tr>
131      <tr><td class="lineno" valign="top"></td><td class="left">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  7</td><td> </td><td class="right">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  7</td><td class="lineno" valign="top"></td></tr>
132      <tr><td class="lineno" valign="top"></td><td class="left">     3.1.  401 Unauthorized . . . . . . . . . . . . . . . . . . . . .  7</td><td> </td><td class="right">     3.1.  401 Unauthorized . . . . . . . . . . . . . . . . . . . . .  7</td><td class="lineno" valign="top"></td></tr>
133      <tr><td><a name="diff0009" /></td></tr>
134      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.2.  407 Proxy Authentication Required  . . . . . . . . . . . .  <span class="delete">8</span></td><td> </td><td class="rblock">     3.2.  407 Proxy Authentication Required  . . . . . . . . . . . .  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
135      <tr><td class="lineno" valign="top"></td><td class="left">   4.  Header Field Definitions . . . . . . . . . . . . . . . . . . .  8</td><td> </td><td class="right">   4.  Header Field Definitions . . . . . . . . . . . . . . . . . . .  8</td><td class="lineno" valign="top"></td></tr>
136      <tr><td class="lineno" valign="top"></td><td class="left">     4.1.  Authorization  . . . . . . . . . . . . . . . . . . . . . .  8</td><td> </td><td class="right">     4.1.  Authorization  . . . . . . . . . . . . . . . . . . . . . .  8</td><td class="lineno" valign="top"></td></tr>
137      <tr><td class="lineno" valign="top"></td><td class="left">     4.2.  Proxy-Authenticate . . . . . . . . . . . . . . . . . . . .  9</td><td> </td><td class="right">     4.2.  Proxy-Authenticate . . . . . . . . . . . . . . . . . . . .  9</td><td class="lineno" valign="top"></td></tr>
138      <tr><td class="lineno" valign="top"></td><td class="left">     4.3.  Proxy-Authorization  . . . . . . . . . . . . . . . . . . .  9</td><td> </td><td class="right">     4.3.  Proxy-Authorization  . . . . . . . . . . . . . . . . . . .  9</td><td class="lineno" valign="top"></td></tr>
139      <tr><td><a name="diff0010" /></td></tr>
140      <tr><td class="lineno" valign="top"></td><td class="lblock">     4.4.  WWW-Authenticate . . . . . . . . . . . . . . . . . . . . . <span class="delete">10</span></td><td> </td><td class="rblock">     4.4.  WWW-Authenticate . . . . . . . . . . . . . . . . . . . . . <span class="insert"> 9</span></td><td class="lineno" valign="top"></td></tr>
141      <tr><td class="lineno" valign="top"></td><td class="left">   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 10</td><td> </td><td class="right">   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 10</td><td class="lineno" valign="top"></td></tr>
142      <tr><td class="lineno" valign="top"></td><td class="left">     5.1.  Authenticaton Scheme Registry  . . . . . . . . . . . . . . 10</td><td> </td><td class="right">     5.1.  Authenticaton Scheme Registry  . . . . . . . . . . . . . . 10</td><td class="lineno" valign="top"></td></tr>
143      <tr><td class="lineno" valign="top"></td><td class="left">     5.2.  Status Code Registration . . . . . . . . . . . . . . . . . 10</td><td> </td><td class="right">     5.2.  Status Code Registration . . . . . . . . . . . . . . . . . 10</td><td class="lineno" valign="top"></td></tr>
144      <tr><td class="lineno" valign="top"></td><td class="left">     5.3.  Header Field Registration  . . . . . . . . . . . . . . . . 10</td><td> </td><td class="right">     5.3.  Header Field Registration  . . . . . . . . . . . . . . . . 10</td><td class="lineno" valign="top"></td></tr>
145      <tr><td class="lineno" valign="top"></td><td class="left">   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 11</td><td> </td><td class="right">   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 11</td><td class="lineno" valign="top"></td></tr>
146      <tr><td class="lineno" valign="top"></td><td class="left">     6.1.  Authentication Credentials and Idle Clients  . . . . . . . 11</td><td> </td><td class="right">     6.1.  Authentication Credentials and Idle Clients  . . . . . . . 11</td><td class="lineno" valign="top"></td></tr>
147      <tr><td><a name="diff0011" /></td></tr>
148      <tr><td class="lineno" valign="top"></td><td class="lblock">   7.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 1<span class="delete">2</span></td><td> </td><td class="rblock">   7.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 1<span class="insert">1</span></td><td class="lineno" valign="top"></td></tr>
149      <tr><td class="lineno" valign="top"></td><td class="left">   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 12</td><td> </td><td class="right">   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 12</td><td class="lineno" valign="top"></td></tr>
150      <tr><td class="lineno" valign="top"></td><td class="left">     8.1.  Normative References . . . . . . . . . . . . . . . . . . . 12</td><td> </td><td class="right">     8.1.  Normative References . . . . . . . . . . . . . . . . . . . 12</td><td class="lineno" valign="top"></td></tr>
151      <tr><td class="lineno" valign="top"></td><td class="left">     8.2.  Informative References . . . . . . . . . . . . . . . . . . 12</td><td> </td><td class="right">     8.2.  Informative References . . . . . . . . . . . . . . . . . . 12</td><td class="lineno" valign="top"></td></tr>
152      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix A.  Collected ABNF  . . . . . . . . . . . . . . . . . . . 13</td><td> </td><td class="right">   Appendix A.  Collected ABNF  . . . . . . . . . . . . . . . . . . . 13</td><td class="lineno" valign="top"></td></tr>
153      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix B.  Change Log (to be removed by RFC Editor before</td><td> </td><td class="right">   Appendix B.  Change Log (to be removed by RFC Editor before</td><td class="lineno" valign="top"></td></tr>
154      <tr><td><a name="diff0012" /></td></tr>
155      <tr><td class="lineno" valign="top"></td><td class="lblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
156      <tr><td class="lineno" valign="top"></td><td class="lblock">     B.1.  Since RFC 2616 . . . . . . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">     B.1.  Since RFC 2616 . . . . . . . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
157      <tr><td class="lineno" valign="top"></td><td class="left">     B.2.  Since draft-ietf-httpbis-p7-auth-00  . . . . . . . . . . . 14</td><td> </td><td class="right">     B.2.  Since draft-ietf-httpbis-p7-auth-00  . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
158      <tr><td class="lineno" valign="top"></td><td class="left">     B.3.  Since draft-ietf-httpbis-p7-auth-01  . . . . . . . . . . . 14</td><td> </td><td class="right">     B.3.  Since draft-ietf-httpbis-p7-auth-01  . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
159      <tr><td class="lineno" valign="top"></td><td class="left">     B.4.  Since draft-ietf-httpbis-p7-auth-02  . . . . . . . . . . . 14</td><td> </td><td class="right">     B.4.  Since draft-ietf-httpbis-p7-auth-02  . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
160      <tr><td class="lineno" valign="top"></td><td class="left">     B.5.  Since draft-ietf-httpbis-p7-auth-03  . . . . . . . . . . . 14</td><td> </td><td class="right">     B.5.  Since draft-ietf-httpbis-p7-auth-03  . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
161      <tr><td class="lineno" valign="top"></td><td class="left">     B.6.  Since draft-ietf-httpbis-p7-auth-04  . . . . . . . . . . . 14</td><td> </td><td class="right">     B.6.  Since draft-ietf-httpbis-p7-auth-04  . . . . . . . . . . . 14</td><td class="lineno" valign="top"></td></tr>
162      <tr><td><a name="diff0013" /></td></tr>
163      <tr><td class="lineno" valign="top"></td><td class="lblock">     B.7.  Since draft-ietf-httpbis-p7-auth-05  . . . . . . . . . . . 1<span class="delete">5</span></td><td> </td><td class="rblock">     B.7.  Since draft-ietf-httpbis-p7-auth-05  . . . . . . . . . . . 1<span class="insert">4</span></td><td class="lineno" valign="top"></td></tr>
164      <tr><td class="lineno" valign="top"></td><td class="left">     B.8.  Since draft-ietf-httpbis-p7-auth-06  . . . . . . . . . . . 15</td><td> </td><td class="right">     B.8.  Since draft-ietf-httpbis-p7-auth-06  . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
165      <tr><td class="lineno" valign="top"></td><td class="left">     B.9.  Since draft-ietf-httpbis-p7-auth-07  . . . . . . . . . . . 15</td><td> </td><td class="right">     B.9.  Since draft-ietf-httpbis-p7-auth-07  . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
166      <tr><td class="lineno" valign="top"></td><td class="left">     B.10. Since draft-ietf-httpbis-p7-auth-08  . . . . . . . . . . . 15</td><td> </td><td class="right">     B.10. Since draft-ietf-httpbis-p7-auth-08  . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
167      <tr><td class="lineno" valign="top"></td><td class="left">     B.11. Since draft-ietf-httpbis-p7-auth-09  . . . . . . . . . . . 15</td><td> </td><td class="right">     B.11. Since draft-ietf-httpbis-p7-auth-09  . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
168      <tr><td class="lineno" valign="top"></td><td class="left">     B.12. Since draft-ietf-httpbis-p7-auth-10  . . . . . . . . . . . 15</td><td> </td><td class="right">     B.12. Since draft-ietf-httpbis-p7-auth-10  . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
169      <tr><td class="lineno" valign="top"></td><td class="left">     B.13. Since draft-ietf-httpbis-p7-auth-11  . . . . . . . . . . . 15</td><td> </td><td class="right">     B.13. Since draft-ietf-httpbis-p7-auth-11  . . . . . . . . . . . 15</td><td class="lineno" valign="top"></td></tr>
170      <tr><td><a name="diff0014" /></td></tr>
171      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">     B.14. Since draft-ietf-httpbis-p7-auth-12  . . . . . . . . . . . 16</span></td><td class="lineno" valign="top"></td></tr>
172      <tr><td class="lineno" valign="top"></td><td class="left">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16</td><td> </td><td class="right">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16</td><td class="lineno" valign="top"></td></tr>
173      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
174      <tr><td class="lineno" valign="top"></td><td class="left">1.  Introduction</td><td> </td><td class="right">1.  Introduction</td><td class="lineno" valign="top"></td></tr>
175      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
176      <tr><td class="lineno" valign="top"></td><td class="left">   This document defines HTTP/1.1 access control and authentication.  It</td><td> </td><td class="right">   This document defines HTTP/1.1 access control and authentication.  It</td><td class="lineno" valign="top"></td></tr>
177      <tr><td class="lineno" valign="top"></td><td class="left">   includes the relevant parts of RFC 2616 with only minor changes, plus</td><td> </td><td class="right">   includes the relevant parts of RFC 2616 with only minor changes, plus</td><td class="lineno" valign="top"></td></tr>
178      <tr><td class="lineno" valign="top"></td><td class="left">   the general framework for HTTP authentication, as previously defined</td><td> </td><td class="right">   the general framework for HTTP authentication, as previously defined</td><td class="lineno" valign="top"></td></tr>
179      <tr><td class="lineno" valign="top"></td><td class="left">   in "HTTP Authentication: Basic and Digest Access Authentication"</td><td> </td><td class="right">   in "HTTP Authentication: Basic and Digest Access Authentication"</td><td class="lineno" valign="top"></td></tr>
180      <tr><td class="lineno" valign="top"></td><td class="left">   ([RFC2617]).</td><td> </td><td class="right">   ([RFC2617]).</td><td class="lineno" valign="top"></td></tr>
181      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
182      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
183      <tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 7, line 6</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 7, line 6</em></th><td></td></tr>
184      <tr><td class="lineno" valign="top"></td><td class="left">   resource.  If a proxy does not accept the credentials sent with a</td><td> </td><td class="right">   resource.  If a proxy does not accept the credentials sent with a</td><td class="lineno" valign="top"></td></tr>
185      <tr><td class="lineno" valign="top"></td><td class="left">   request, it SHOULD return a 407 (Proxy Authentication Required).  The</td><td> </td><td class="right">   request, it SHOULD return a 407 (Proxy Authentication Required).  The</td><td class="lineno" valign="top"></td></tr>
186      <tr><td class="lineno" valign="top"></td><td class="left">   response MUST include a Proxy-Authenticate header field containing a</td><td> </td><td class="right">   response MUST include a Proxy-Authenticate header field containing a</td><td class="lineno" valign="top"></td></tr>
187      <tr><td class="lineno" valign="top"></td><td class="left">   (possibly new) challenge applicable to the proxy for the requested</td><td> </td><td class="right">   (possibly new) challenge applicable to the proxy for the requested</td><td class="lineno" valign="top"></td></tr>
188      <tr><td class="lineno" valign="top"></td><td class="left">   resource.</td><td> </td><td class="right">   resource.</td><td class="lineno" valign="top"></td></tr>
189      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
190      <tr><td class="lineno" valign="top"></td><td class="left">   The HTTP protocol does not restrict applications to this simple</td><td> </td><td class="right">   The HTTP protocol does not restrict applications to this simple</td><td class="lineno" valign="top"></td></tr>
191      <tr><td class="lineno" valign="top"></td><td class="left">   challenge-response mechanism for access authentication.  Additional</td><td> </td><td class="right">   challenge-response mechanism for access authentication.  Additional</td><td class="lineno" valign="top"></td></tr>
192      <tr><td class="lineno" valign="top"></td><td class="left">   mechanisms MAY be used, such as encryption at the transport level or</td><td> </td><td class="right">   mechanisms MAY be used, such as encryption at the transport level or</td><td class="lineno" valign="top"></td></tr>
193      <tr><td class="lineno" valign="top"></td><td class="left">   via message encapsulation, and with additional header fields</td><td> </td><td class="right">   via message encapsulation, and with additional header fields</td><td class="lineno" valign="top"></td></tr>
194      <tr><td><a name="diff0015" /></td></tr>
195      <tr><td class="lineno" valign="top"></td><td class="lblock">   specifying authentication information.  However, <span class="delete">these</span> additional</td><td> </td><td class="rblock">   specifying authentication information.  However, <span class="insert">such</span> additional</td><td class="lineno" valign="top"></td></tr>
196      <tr><td class="lineno" valign="top"></td><td class="left">   mechanisms are not defined by this specification.</td><td> </td><td class="right">   mechanisms are not defined by this specification.</td><td class="lineno" valign="top"></td></tr>
197      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
198      <tr><td><a name="diff0016" /></td></tr>
199      <tr><td class="lineno" valign="top"></td><td class="lblock">   Proxies MUST <span class="delete">be completely transparent regarding user agent</span></td><td> </td><td class="rblock">   Proxies MUST forward the WWW-Authenticate and Authorization headers</td><td class="lineno" valign="top"></td></tr>
200      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   authentication by origin servers.  That is, they MUST</span> forward the</td><td> </td><td class="rblock">   <span class="insert">unmodified</span> and follow the rules found in Section 4.1.</td><td class="lineno" valign="top"></td></tr>
201      <tr><td class="lineno" valign="top"></td><td class="lblock">   WWW-Authenticate and Authorization headers <span class="delete">untouched,</span> and follow the</td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
202      <tr><td class="lineno" valign="top"></td><td class="lblock">   rules found in Section 4.1.  <span class="delete">Both the Proxy-Authenticate and the</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
203      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Proxy-Authorization header fields are hop-by-hop headers (see Section</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
204      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   7.1.3.1 of [Part1]).</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
205      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
206      <tr><td class="lineno" valign="top"></td><td class="left">2.1.  Authentication Scheme Registry</td><td> </td><td class="right">2.1.  Authentication Scheme Registry</td><td class="lineno" valign="top"></td></tr>
207      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
208      <tr><td class="lineno" valign="top"></td><td class="left">   The HTTP Authentication Scheme Registry defines the name space for</td><td> </td><td class="right">   The HTTP Authentication Scheme Registry defines the name space for</td><td class="lineno" valign="top"></td></tr>
209      <tr><td class="lineno" valign="top"></td><td class="left">   the authentication schemes in challenges and credentials.</td><td> </td><td class="right">   the authentication schemes in challenges and credentials.</td><td class="lineno" valign="top"></td></tr>
210      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
211      <tr><td class="lineno" valign="top"></td><td class="left">   Registrations MUST include the following fields:</td><td> </td><td class="right">   Registrations MUST include the following fields:</td><td class="lineno" valign="top"></td></tr>
212      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
213      <tr><td class="lineno" valign="top"></td><td class="left">   o  Authentication Scheme Name</td><td> </td><td class="right">   o  Authentication Scheme Name</td><td class="lineno" valign="top"></td></tr>
214      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
215      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
216      <tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 8, line 21</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 8, line 13</em></th><td></td></tr>
217      <tr><td class="lineno" valign="top"></td><td class="left">   resource.  The client MAY repeat the request with a suitable Proxy-</td><td> </td><td class="right">   resource.  The client MAY repeat the request with a suitable Proxy-</td><td class="lineno" valign="top"></td></tr>
218      <tr><td class="lineno" valign="top"></td><td class="left">   Authorization header field (Section 4.3).</td><td> </td><td class="right">   Authorization header field (Section 4.3).</td><td class="lineno" valign="top"></td></tr>
219      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
220      <tr><td class="lineno" valign="top"></td><td class="left">4.  Header Field Definitions</td><td> </td><td class="right">4.  Header Field Definitions</td><td class="lineno" valign="top"></td></tr>
221      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
222      <tr><td class="lineno" valign="top"></td><td class="left">   This section defines the syntax and semantics of HTTP/1.1 header</td><td> </td><td class="right">   This section defines the syntax and semantics of HTTP/1.1 header</td><td class="lineno" valign="top"></td></tr>
223      <tr><td class="lineno" valign="top"></td><td class="left">   fields related to authentication.</td><td> </td><td class="right">   fields related to authentication.</td><td class="lineno" valign="top"></td></tr>
224      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
225      <tr><td class="lineno" valign="top"></td><td class="left">4.1.  Authorization</td><td> </td><td class="right">4.1.  Authorization</td><td class="lineno" valign="top"></td></tr>
226      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
227      <tr><td><a name="diff0017" /></td></tr>
228      <tr><td class="lineno" valign="top"></td><td class="lblock">   The "Authorization" <span class="delete">request-header</span> field allows a user agent to</td><td> </td><td class="rblock">   The "Authorization" <span class="insert">header</span> field allows a user agent to authenticate</td><td class="lineno" valign="top"></td></tr>
229      <tr><td class="lineno" valign="top"></td><td class="lblock">   authenticate itself with a server -- usually, but not necessarily,</td><td> </td><td class="rblock">   itself with a server -- usually, but not necessarily, after receiving</td><td class="lineno" valign="top"></td></tr>
230      <tr><td class="lineno" valign="top"></td><td class="lblock">   after receiving a 401 (Unauthorized) response.  Its value consists of</td><td> </td><td class="rblock">   a 401 (Unauthorized) response.  Its value consists of credentials</td><td class="lineno" valign="top"></td></tr>
231      <tr><td class="lineno" valign="top"></td><td class="lblock">   credentials containing information of the user agent for the realm of</td><td> </td><td class="rblock">   containing information of the user agent for the realm of the</td><td class="lineno" valign="top"></td></tr>
232      <tr><td class="lineno" valign="top"></td><td class="lblock">   the resource being requested.</td><td> </td><td class="rblock">   resource being requested.</td><td class="lineno" valign="top"></td></tr>
233      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
234      <tr><td class="lineno" valign="top"></td><td class="left">     Authorization   = "Authorization" ":" OWS Authorization-v</td><td> </td><td class="right">     Authorization   = "Authorization" ":" OWS Authorization-v</td><td class="lineno" valign="top"></td></tr>
235      <tr><td class="lineno" valign="top"></td><td class="left">     Authorization-v = credentials</td><td> </td><td class="right">     Authorization-v = credentials</td><td class="lineno" valign="top"></td></tr>
236      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
237      <tr><td class="lineno" valign="top"></td><td class="left">   If a request is authenticated and a realm specified, the same</td><td> </td><td class="right">   If a request is authenticated and a realm specified, the same</td><td class="lineno" valign="top"></td></tr>
238      <tr><td class="lineno" valign="top"></td><td class="left">   credentials SHOULD be valid for all other requests within this realm</td><td> </td><td class="right">   credentials SHOULD be valid for all other requests within this realm</td><td class="lineno" valign="top"></td></tr>
239      <tr><td class="lineno" valign="top"></td><td class="left">   (assuming that the authentication scheme itself does not require</td><td> </td><td class="right">   (assuming that the authentication scheme itself does not require</td><td class="lineno" valign="top"></td></tr>
240      <tr><td class="lineno" valign="top"></td><td class="left">   otherwise, such as credentials that vary according to a challenge</td><td> </td><td class="right">   otherwise, such as credentials that vary according to a challenge</td><td class="lineno" valign="top"></td></tr>
241      <tr><td class="lineno" valign="top"></td><td class="left">   value or using synchronized clocks).</td><td> </td><td class="right">   value or using synchronized clocks).</td><td class="lineno" valign="top"></td></tr>
242      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
243      <tr><td class="lineno" valign="top"></td><td class="left">   When a shared cache (see Section 1.2 of [Part6]) receives a request</td><td> </td><td class="right">   When a shared cache (see Section 1.2 of [Part6]) receives a request</td><td class="lineno" valign="top"></td></tr>
244      <tr><td class="lineno" valign="top"></td><td class="left">   containing an Authorization field, it MUST NOT return the</td><td> </td><td class="right">   containing an Authorization field, it MUST NOT return the</td><td class="lineno" valign="top"></td></tr>
245      <tr><td class="lineno" valign="top"></td><td class="left">   corresponding response as a reply to any other request, unless one of</td><td> </td><td class="right">   corresponding response as a reply to any other request, unless one of</td><td class="lineno" valign="top"></td></tr>
246      <tr><td class="lineno" valign="top"></td><td class="left">   the following specific exceptions holds:</td><td> </td><td class="right">   the following specific exceptions holds:</td><td class="lineno" valign="top"></td></tr>
247      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
248      <tr><td class="lineno" valign="top"></td><td class="left">   1.  If the response includes the "s-maxage" cache-control directive,</td><td> </td><td class="right">   1.  If the response includes the "s-maxage" cache-control directive,</td><td class="lineno" valign="top"></td></tr>
249      <tr><td class="lineno" valign="top"></td><td class="left">       the cache MAY use that response in replying to a subsequent</td><td> </td><td class="right">       the cache MAY use that response in replying to a subsequent</td><td class="lineno" valign="top"></td></tr>
250      <tr><td class="lineno" valign="top"></td><td class="left">       request.  But (if the specified maximum age has passed) a proxy</td><td> </td><td class="right">       request.  But (if the specified maximum age has passed) a proxy</td><td class="lineno" valign="top"></td></tr>
251      <tr><td class="lineno" valign="top"></td><td class="left">       cache MUST first revalidate it with the origin server, using the</td><td> </td><td class="right">       cache MUST first revalidate it with the origin server, using the</td><td class="lineno" valign="top"></td></tr>
252      <tr><td><a name="diff0018" /></td></tr>
253      <tr><td class="lineno" valign="top"></td><td class="lblock">       <span class="delete">request-header</span> fields from the new request to allow the origin</td><td> </td><td class="rblock">       <span class="insert">header</span> fields from the new request to allow the origin server to</td><td class="lineno" valign="top"></td></tr>
254      <tr><td class="lineno" valign="top"></td><td class="lblock">       server to authenticate the new request.  (This is the defined</td><td> </td><td class="rblock">       authenticate the new request.  (This is the defined behavior for</td><td class="lineno" valign="top"></td></tr>
255      <tr><td class="lineno" valign="top"></td><td class="lblock">       behavior for s-maxage.)  If the response includes "s-maxage=0",</td><td> </td><td class="rblock">       s-maxage.)  If the response includes "s-maxage=0", the proxy MUST</td><td class="lineno" valign="top"></td></tr>
256      <tr><td class="lineno" valign="top"></td><td class="lblock">       the proxy MUST always revalidate it before re-using it.</td><td> </td><td class="rblock">       always revalidate it before re-using it.</td><td class="lineno" valign="top"></td></tr>
257      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
258      <tr><td class="lineno" valign="top"></td><td class="left">   2.  If the response includes the "must-revalidate" cache-control</td><td> </td><td class="right">   2.  If the response includes the "must-revalidate" cache-control</td><td class="lineno" valign="top"></td></tr>
259      <tr><td class="lineno" valign="top"></td><td class="left">       directive, the cache MAY use that response in replying to a</td><td> </td><td class="right">       directive, the cache MAY use that response in replying to a</td><td class="lineno" valign="top"></td></tr>
260      <tr><td class="lineno" valign="top"></td><td class="left">       subsequent request.  But if the response is stale, all caches</td><td> </td><td class="right">       subsequent request.  But if the response is stale, all caches</td><td class="lineno" valign="top"></td></tr>
261      <tr><td><a name="diff0019" /></td></tr>
262      <tr><td class="lineno" valign="top"></td><td class="lblock">       MUST first revalidate it with the origin server, using the</td><td> </td><td class="rblock">       MUST first revalidate it with the origin server, using the <span class="insert">header</span></td><td class="lineno" valign="top"></td></tr>
263      <tr><td class="lineno" valign="top"></td><td class="lblock">       <span class="delete">request-header</span> fields from the new request to allow the origin</td><td> </td><td class="rblock">       fields from the new request to allow the origin server to</td><td class="lineno" valign="top"></td></tr>
264      <tr><td class="lineno" valign="top"></td><td class="lblock">       server to authenticate the new request.</td><td> </td><td class="rblock">       authenticate the new request.</td><td class="lineno" valign="top"></td></tr>
265      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
266      <tr><td class="lineno" valign="top"></td><td class="left">   3.  If the response includes the "public" cache-control directive, it</td><td> </td><td class="right">   3.  If the response includes the "public" cache-control directive, it</td><td class="lineno" valign="top"></td></tr>
267      <tr><td class="lineno" valign="top"></td><td class="left">       MAY be returned in reply to any subsequent request.</td><td> </td><td class="right">       MAY be returned in reply to any subsequent request.</td><td class="lineno" valign="top"></td></tr>
268      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
269      <tr><td class="lineno" valign="top"></td><td class="left">4.2.  Proxy-Authenticate</td><td> </td><td class="right">4.2.  Proxy-Authenticate</td><td class="lineno" valign="top"></td></tr>
270      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
271      <tr><td><a name="diff0020" /></td></tr>
272      <tr><td class="lineno" valign="top"></td><td class="lblock">   The "Proxy-Authenticate" <span class="delete">response-header</span> field consists of a</td><td> </td><td class="rblock">   The "Proxy-Authenticate" <span class="insert">header</span> field consists of a challenge that</td><td class="lineno" valign="top"></td></tr>
273      <tr><td class="lineno" valign="top"></td><td class="lblock">   challenge that indicates the authentication scheme and parameters</td><td> </td><td class="rblock">   indicates the authentication scheme and parameters applicable to the</td><td class="lineno" valign="top"></td></tr>
274      <tr><td class="lineno" valign="top"></td><td class="lblock">   applicable to the proxy for this effective request URI (Section 4.3</td><td> </td><td class="rblock">   proxy for this effective request URI (Section 4.3 of [Part1]).  It</td><td class="lineno" valign="top"></td></tr>
275      <tr><td class="lineno" valign="top"></td><td class="lblock">   of [Part1]).  It MUST be included as part of a 407 (Proxy</td><td> </td><td class="rblock">   MUST be included as part of a 407 (Proxy Authentication Required)</td><td class="lineno" valign="top"></td></tr>
276      <tr><td class="lineno" valign="top"></td><td class="lblock">   Authentication Required) response.</td><td> </td><td class="rblock">   response.</td><td class="lineno" valign="top"></td></tr>
277      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
278      <tr><td class="lineno" valign="top"></td><td class="left">     Proxy-Authenticate   = "Proxy-Authenticate" ":" OWS</td><td> </td><td class="right">     Proxy-Authenticate   = "Proxy-Authenticate" ":" OWS</td><td class="lineno" valign="top"></td></tr>
279      <tr><td class="lineno" valign="top"></td><td class="left">                            Proxy-Authenticate-v</td><td> </td><td class="right">                            Proxy-Authenticate-v</td><td class="lineno" valign="top"></td></tr>
280      <tr><td class="lineno" valign="top"></td><td class="left">     Proxy-Authenticate-v = 1#challenge</td><td> </td><td class="right">     Proxy-Authenticate-v = 1#challenge</td><td class="lineno" valign="top"></td></tr>
281      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
282      <tr><td class="lineno" valign="top"></td><td class="left">   Unlike WWW-Authenticate, the Proxy-Authenticate header field applies</td><td> </td><td class="right">   Unlike WWW-Authenticate, the Proxy-Authenticate header field applies</td><td class="lineno" valign="top"></td></tr>
283      <tr><td class="lineno" valign="top"></td><td class="left">   only to the current connection and SHOULD NOT be passed on to</td><td> </td><td class="right">   only to the current connection and SHOULD NOT be passed on to</td><td class="lineno" valign="top"></td></tr>
284      <tr><td class="lineno" valign="top"></td><td class="left">   downstream clients.  However, an intermediate proxy might need to</td><td> </td><td class="right">   downstream clients.  However, an intermediate proxy might need to</td><td class="lineno" valign="top"></td></tr>
285      <tr><td class="lineno" valign="top"></td><td class="left">   obtain its own credentials by requesting them from the downstream</td><td> </td><td class="right">   obtain its own credentials by requesting them from the downstream</td><td class="lineno" valign="top"></td></tr>
286      <tr><td class="lineno" valign="top"></td><td class="left">   client, which in some circumstances will appear as if the proxy is</td><td> </td><td class="right">   client, which in some circumstances will appear as if the proxy is</td><td class="lineno" valign="top"></td></tr>
287      <tr><td class="lineno" valign="top"></td><td class="left">   forwarding the Proxy-Authenticate header field.</td><td> </td><td class="right">   forwarding the Proxy-Authenticate header field.</td><td class="lineno" valign="top"></td></tr>
288      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
289      <tr><td class="lineno" valign="top"></td><td class="left">4.3.  Proxy-Authorization</td><td> </td><td class="right">4.3.  Proxy-Authorization</td><td class="lineno" valign="top"></td></tr>
290      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
291      <tr><td><a name="diff0021" /></td></tr>
292      <tr><td class="lineno" valign="top"></td><td class="lblock">   The "Proxy-Authorization" <span class="delete">request-header</span> field allows the client to</td><td> </td><td class="rblock">   The "Proxy-Authorization" <span class="insert">header</span> field allows the client to identify</td><td class="lineno" valign="top"></td></tr>
293      <tr><td class="lineno" valign="top"></td><td class="lblock">   identify itself (or its user) to a proxy which requires</td><td> </td><td class="rblock">   itself (or its user) to a proxy which requires authentication.  Its</td><td class="lineno" valign="top"></td></tr>
294      <tr><td class="lineno" valign="top"></td><td class="lblock">   authentication.  Its value consists of credentials containing the</td><td> </td><td class="rblock">   value consists of credentials containing the authentication</td><td class="lineno" valign="top"></td></tr>
295      <tr><td class="lineno" valign="top"></td><td class="lblock">   authentication information of the user agent for the proxy and/or</td><td> </td><td class="rblock">   information of the user agent for the proxy and/or realm of the</td><td class="lineno" valign="top"></td></tr>
296      <tr><td class="lineno" valign="top"></td><td class="lblock">   realm of the resource being requested.</td><td> </td><td class="rblock">   resource being requested.</td><td class="lineno" valign="top"></td></tr>
297      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
298      <tr><td class="lineno" valign="top"></td><td class="left">     Proxy-Authorization   = "Proxy-Authorization" ":" OWS</td><td> </td><td class="right">     Proxy-Authorization   = "Proxy-Authorization" ":" OWS</td><td class="lineno" valign="top"></td></tr>
299      <tr><td class="lineno" valign="top"></td><td class="left">                             Proxy-Authorization-v</td><td> </td><td class="right">                             Proxy-Authorization-v</td><td class="lineno" valign="top"></td></tr>
300      <tr><td class="lineno" valign="top"></td><td class="left">     Proxy-Authorization-v = credentials</td><td> </td><td class="right">     Proxy-Authorization-v = credentials</td><td class="lineno" valign="top"></td></tr>
301      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
302      <tr><td class="lineno" valign="top"></td><td class="left">   Unlike Authorization, the Proxy-Authorization header field applies</td><td> </td><td class="right">   Unlike Authorization, the Proxy-Authorization header field applies</td><td class="lineno" valign="top"></td></tr>
303      <tr><td class="lineno" valign="top"></td><td class="left">   only to the next outbound proxy that demanded authentication using</td><td> </td><td class="right">   only to the next outbound proxy that demanded authentication using</td><td class="lineno" valign="top"></td></tr>
304      <tr><td class="lineno" valign="top"></td><td class="left">   the Proxy-Authenticate field.  When multiple proxies are used in a</td><td> </td><td class="right">   the Proxy-Authenticate field.  When multiple proxies are used in a</td><td class="lineno" valign="top"></td></tr>
305      <tr><td class="lineno" valign="top"></td><td class="left">   chain, the Proxy-Authorization header field is consumed by the first</td><td> </td><td class="right">   chain, the Proxy-Authorization header field is consumed by the first</td><td class="lineno" valign="top"></td></tr>
306      <tr><td class="lineno" valign="top"></td><td class="left">   outbound proxy that was expecting to receive credentials.  A proxy</td><td> </td><td class="right">   outbound proxy that was expecting to receive credentials.  A proxy</td><td class="lineno" valign="top"></td></tr>
307      <tr><td class="lineno" valign="top"></td><td class="left">   MAY relay the credentials from the client request to the next proxy</td><td> </td><td class="right">   MAY relay the credentials from the client request to the next proxy</td><td class="lineno" valign="top"></td></tr>
308      <tr><td class="lineno" valign="top"></td><td class="left">   if that is the mechanism by which the proxies cooperatively</td><td> </td><td class="right">   if that is the mechanism by which the proxies cooperatively</td><td class="lineno" valign="top"></td></tr>
309      <tr><td class="lineno" valign="top"></td><td class="left">   authenticate a given request.</td><td> </td><td class="right">   authenticate a given request.</td><td class="lineno" valign="top"></td></tr>
310      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
311      <tr><td class="lineno" valign="top"></td><td class="left">4.4.  WWW-Authenticate</td><td> </td><td class="right">4.4.  WWW-Authenticate</td><td class="lineno" valign="top"></td></tr>
312      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
313      <tr><td><a name="diff0022" /></td></tr>
314      <tr><td class="lineno" valign="top"></td><td class="lblock">   The "WWW-Authenticate" <span class="delete">response-</span>header field consists of at least one</td><td> </td><td class="rblock">   The "WWW-Authenticate" header field consists of at least one</td><td class="lineno" valign="top"></td></tr>
315      <tr><td class="lineno" valign="top"></td><td class="left">   challenge that indicates the authentication scheme(s) and parameters</td><td> </td><td class="right">   challenge that indicates the authentication scheme(s) and parameters</td><td class="lineno" valign="top"></td></tr>
316      <tr><td class="lineno" valign="top"></td><td class="left">   applicable to the effective request URI (Section 4.3 of [Part1]).  It</td><td> </td><td class="right">   applicable to the effective request URI (Section 4.3 of [Part1]).  It</td><td class="lineno" valign="top"></td></tr>
317      <tr><td class="lineno" valign="top"></td><td class="left">   MUST be included in 401 (Unauthorized) response messages.</td><td> </td><td class="right">   MUST be included in 401 (Unauthorized) response messages.</td><td class="lineno" valign="top"></td></tr>
318      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
319      <tr><td class="lineno" valign="top"></td><td class="left">     WWW-Authenticate   = "WWW-Authenticate" ":" OWS WWW-Authenticate-v</td><td> </td><td class="right">     WWW-Authenticate   = "WWW-Authenticate" ":" OWS WWW-Authenticate-v</td><td class="lineno" valign="top"></td></tr>
320      <tr><td class="lineno" valign="top"></td><td class="left">     WWW-Authenticate-v = 1#challenge</td><td> </td><td class="right">     WWW-Authenticate-v = 1#challenge</td><td class="lineno" valign="top"></td></tr>
321      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
322      <tr><td class="lineno" valign="top"></td><td class="left">   User agents are advised to take special care in parsing the WWW-</td><td> </td><td class="right">   User agents are advised to take special care in parsing the WWW-</td><td class="lineno" valign="top"></td></tr>
323      <tr><td class="lineno" valign="top"></td><td class="left">   Authenticate field value as it might contain more than one challenge,</td><td> </td><td class="right">   Authenticate field value as it might contain more than one challenge,</td><td class="lineno" valign="top"></td></tr>
324      <tr><td class="lineno" valign="top"></td><td class="left">   or if more than one WWW-Authenticate header field is provided, the</td><td> </td><td class="right">   or if more than one WWW-Authenticate header field is provided, the</td><td class="lineno" valign="top"></td></tr>
325      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
326      <tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 12, line 16</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 12, line 4</em></th><td></td></tr>
327      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
328      <tr><td class="lineno" valign="top"></td><td class="left">   This specification takes over the definition of the HTTP</td><td> </td><td class="right">   This specification takes over the definition of the HTTP</td><td class="lineno" valign="top"></td></tr>
329      <tr><td class="lineno" valign="top"></td><td class="left">   Authentication Framework, previously defined in RFC 2617.  We thank</td><td> </td><td class="right">   Authentication Framework, previously defined in RFC 2617.  We thank</td><td class="lineno" valign="top"></td></tr>
330      <tr><td class="lineno" valign="top"></td><td class="left">   to John Franks, Phillip M. Hallam-Baker, Jeffery L. Hostetler, Scott</td><td> </td><td class="right">   to John Franks, Phillip M. Hallam-Baker, Jeffery L. Hostetler, Scott</td><td class="lineno" valign="top"></td></tr>
331      <tr><td class="lineno" valign="top"></td><td class="left">   D. Lawrence, Paul J. Leach, Ari Luotonen, and Lawrence C. Stewart for</td><td> </td><td class="right">   D. Lawrence, Paul J. Leach, Ari Luotonen, and Lawrence C. Stewart for</td><td class="lineno" valign="top"></td></tr>
332      <tr><td class="lineno" valign="top"></td><td class="left">   their work on that specification.</td><td> </td><td class="right">   their work on that specification.</td><td class="lineno" valign="top"></td></tr>
333      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
334      <tr><td class="lineno" valign="top"></td><td class="left">   [[acks: HTTPbis acknowledgements.]]</td><td> </td><td class="right">   [[acks: HTTPbis acknowledgements.]]</td><td class="lineno" valign="top"></td></tr>
335      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
336      <tr><td class="lineno" valign="top"></td><td class="left">8.  References</td><td> </td><td class="right">8.  References</td><td class="lineno" valign="top"></td></tr>
337      <tr><td><a name="diff0023" /></td></tr>
338      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">                                                                         </span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
339      <tr><td class="lineno" valign="top"></td><td class="left">8.1.  Normative References</td><td> </td><td class="right">8.1.  Normative References</td><td class="lineno" valign="top"></td></tr>
340      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
341      <tr><td class="lineno" valign="top"></td><td class="left">   [Part1]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part1]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
342      <tr><td class="lineno" valign="top"></td><td class="left">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td> </td><td class="right">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td class="lineno" valign="top"></td></tr>
343      <tr><td class="lineno" valign="top"></td><td class="left">              and J. Reschke, Ed., "HTTP/1.1, part 1: URIs, Connections,</td><td> </td><td class="right">              and J. Reschke, Ed., "HTTP/1.1, part 1: URIs, Connections,</td><td class="lineno" valign="top"></td></tr>
344      <tr><td><a name="diff0024" /></td></tr>
345      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Message Parsing", <span class="delete">draft-ietf-httpbis-p1-messaging-12</span></td><td> </td><td class="rblock">              and Message Parsing", <span class="insert">draft-ietf-httpbis-p1-messaging-13</span></td><td class="lineno" valign="top"></td></tr>
346      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">October 2010.</span></td><td> </td><td class="rblock">              (work in progress), <span class="insert">March 2011.</span></td><td class="lineno" valign="top"></td></tr>
347      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
348      <tr><td class="lineno" valign="top"></td><td class="left">   [Part6]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [Part6]    Fielding, R., Ed., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
349      <tr><td class="lineno" valign="top"></td><td class="left">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td> </td><td class="right">              Masinter, L., Leach, P., Berners-Lee, T., Lafon, Y., Ed.,</td><td class="lineno" valign="top"></td></tr>
350      <tr><td class="lineno" valign="top"></td><td class="left">              Nottingham, M., Ed., and J. Reschke, Ed., "HTTP/1.1, part</td><td> </td><td class="right">              Nottingham, M., Ed., and J. Reschke, Ed., "HTTP/1.1, part</td><td class="lineno" valign="top"></td></tr>
351      <tr><td><a name="diff0025" /></td></tr>
352      <tr><td class="lineno" valign="top"></td><td class="lblock">              6: Caching", <span class="delete">draft-ietf-httpbis-p6-cache-12</span> (work in</td><td> </td><td class="rblock">              6: Caching", <span class="insert">draft-ietf-httpbis-p6-cache-13</span> (work in</td><td class="lineno" valign="top"></td></tr>
353      <tr><td class="lineno" valign="top"></td><td class="lblock">              progress), <span class="delete">October 2010.</span></td><td> </td><td class="rblock">              progress), <span class="insert">March 2011.</span></td><td class="lineno" valign="top"></td></tr>
354      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
355      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td><td> </td><td class="right">   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td><td class="lineno" valign="top"></td></tr>
356      <tr><td class="lineno" valign="top"></td><td class="left">              Requirement Levels", BCP 14, RFC 2119, March 1997.</td><td> </td><td class="right">              Requirement Levels", BCP 14, RFC 2119, March 1997.</td><td class="lineno" valign="top"></td></tr>
357      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
358      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC5234]  Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax</td><td> </td><td class="right">   [RFC5234]  Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax</td><td class="lineno" valign="top"></td></tr>
359      <tr><td class="lineno" valign="top"></td><td class="left">              Specifications: ABNF", STD 68, RFC 5234, January 2008.</td><td> </td><td class="right">              Specifications: ABNF", STD 68, RFC 5234, January 2008.</td><td class="lineno" valign="top"></td></tr>
360      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
361      <tr><td class="lineno" valign="top"></td><td class="left">8.2.  Informative References</td><td> </td><td class="right">8.2.  Informative References</td><td class="lineno" valign="top"></td></tr>
362      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
363      <tr><td class="lineno" valign="top"></td><td class="left">   [RFC2616]  Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,</td><td> </td><td class="right">   [RFC2616]  Fielding, R., Gettys, J., Mogul, J., Frystyk, H.,</td><td class="lineno" valign="top"></td></tr>
364      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
365      <tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 15, line 49</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 15, line 41</em></th><td></td></tr>
366      <tr><td class="lineno" valign="top"></td><td class="left">B.13.  Since draft-ietf-httpbis-p7-auth-11</td><td> </td><td class="right">B.13.  Since draft-ietf-httpbis-p7-auth-11</td><td class="lineno" valign="top"></td></tr>
367      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
368      <tr><td class="lineno" valign="top"></td><td class="left">   Closed issues:</td><td> </td><td class="right">   Closed issues:</td><td class="lineno" valign="top"></td></tr>
369      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
370      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/130&gt;: "introduction</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/130&gt;: "introduction</td><td class="lineno" valign="top"></td></tr>
371      <tr><td class="lineno" valign="top"></td><td class="left">      to part 7 is work-in-progress"</td><td> </td><td class="right">      to part 7 is work-in-progress"</td><td class="lineno" valign="top"></td></tr>
372      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
373      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/195&gt;: "auth-param</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/195&gt;: "auth-param</td><td class="lineno" valign="top"></td></tr>
374      <tr><td class="lineno" valign="top"></td><td class="left">      syntax"</td><td> </td><td class="right">      syntax"</td><td class="lineno" valign="top"></td></tr>
375      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
376      <tr><td><a name="diff0026" /></td></tr>
377      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   <span class="insert">&lt;http://tools.ietf.org/wg/httpbis/trac/ticket/224&gt;: "Header</span></td><td class="lineno" valign="top"></td></tr>
378      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      Classification"</span></td><td class="lineno" valign="top"></td></tr>
379      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
380      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/237&gt;: "absorbing the</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/237&gt;: "absorbing the</td><td class="lineno" valign="top"></td></tr>
381      <tr><td class="lineno" valign="top"></td><td class="left">      auth framework from 2617"</td><td> </td><td class="right">      auth framework from 2617"</td><td class="lineno" valign="top"></td></tr>
382      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
383      <tr><td class="lineno" valign="top"></td><td class="left">   Partly resolved issues:</td><td> </td><td class="right">   Partly resolved issues:</td><td class="lineno" valign="top"></td></tr>
384      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
385      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/141&gt;: "should we</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/141&gt;: "should we</td><td class="lineno" valign="top"></td></tr>
386      <tr><td class="lineno" valign="top"></td><td class="left">      have an auth scheme registry"</td><td> </td><td class="right">      have an auth scheme registry"</td><td class="lineno" valign="top"></td></tr>
387      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
388      <tr><td><a name="diff0027" /></td></tr>
389      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">B.14.  Since draft-ietf-httpbis-p7-auth-12</span></td><td class="lineno" valign="top"></td></tr>
390      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno" valign="top"></td></tr>
391      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   None.</span></td><td class="lineno" valign="top"></td></tr>
392      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
393      <tr><td class="lineno" valign="top"></td><td class="left">Index</td><td> </td><td class="right">Index</td><td class="lineno" valign="top"></td></tr>
394      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
395      <tr><td class="lineno" valign="top"></td><td class="left">   4</td><td> </td><td class="right">   4</td><td class="lineno" valign="top"></td></tr>
396      <tr><td class="lineno" valign="top"></td><td class="left">      401 Unauthorized (status code)  7</td><td> </td><td class="right">      401 Unauthorized (status code)  7</td><td class="lineno" valign="top"></td></tr>
397      <tr><td><a name="diff0028" /></td></tr>
398      <tr><td class="lineno" valign="top"></td><td class="lblock">      407 Proxy Authentication Required (status code)  <span class="delete">8</span></td><td> </td><td class="rblock">      407 Proxy Authentication Required (status code)  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
399      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
400      <tr><td class="lineno" valign="top"></td><td class="left">   A</td><td> </td><td class="right">   A</td><td class="lineno" valign="top"></td></tr>
401      <tr><td class="lineno" valign="top"></td><td class="left">      auth-param  5</td><td> </td><td class="right">      auth-param  5</td><td class="lineno" valign="top"></td></tr>
402      <tr><td class="lineno" valign="top"></td><td class="left">      auth-scheme  5</td><td> </td><td class="right">      auth-scheme  5</td><td class="lineno" valign="top"></td></tr>
403      <tr><td><a name="diff0029" /></td></tr>
404      <tr><td class="lineno" valign="top"></td><td class="lblock">      Authorization header  8</td><td> </td><td class="rblock">      Authorization header <span class="insert">field </span> 8</td><td class="lineno" valign="top"></td></tr>
405      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
406      <tr><td class="lineno" valign="top"></td><td class="left">   C</td><td> </td><td class="right">   C</td><td class="lineno" valign="top"></td></tr>
407      <tr><td class="lineno" valign="top"></td><td class="left">      challenge  5</td><td> </td><td class="right">      challenge  5</td><td class="lineno" valign="top"></td></tr>
408      <tr><td class="lineno" valign="top"></td><td class="left">      credentials  6</td><td> </td><td class="right">      credentials  6</td><td class="lineno" valign="top"></td></tr>
409      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
410      <tr><td class="lineno" valign="top"></td><td class="left">   G</td><td> </td><td class="right">   G</td><td class="lineno" valign="top"></td></tr>
411      <tr><td class="lineno" valign="top"></td><td class="left">      Grammar</td><td> </td><td class="right">      Grammar</td><td class="lineno" valign="top"></td></tr>
412      <tr><td class="lineno" valign="top"></td><td class="left">         Authorization  8</td><td> </td><td class="right">         Authorization  8</td><td class="lineno" valign="top"></td></tr>
413      <tr><td class="lineno" valign="top"></td><td class="left">         Authorization-v  8</td><td> </td><td class="right">         Authorization-v  8</td><td class="lineno" valign="top"></td></tr>
414      <tr><td class="lineno" valign="top"></td><td class="left">         Proxy-Authenticate  9</td><td> </td><td class="right">         Proxy-Authenticate  9</td><td class="lineno" valign="top"></td></tr>
415      <tr><td class="lineno" valign="top"></td><td class="left">         Proxy-Authenticate-v  9</td><td> </td><td class="right">         Proxy-Authenticate-v  9</td><td class="lineno" valign="top"></td></tr>
416      <tr><td class="lineno" valign="top"></td><td class="left">         Proxy-Authorization  9</td><td> </td><td class="right">         Proxy-Authorization  9</td><td class="lineno" valign="top"></td></tr>
417      <tr><td class="lineno" valign="top"></td><td class="left">         Proxy-Authorization-v  9</td><td> </td><td class="right">         Proxy-Authorization-v  9</td><td class="lineno" valign="top"></td></tr>
418      <tr><td><a name="diff0030" /></td></tr>
419      <tr><td class="lineno" valign="top"></td><td class="lblock">         WWW-Authenticate  <span class="delete">10</span></td><td> </td><td class="rblock">         WWW-Authenticate  <span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
420      <tr><td class="lineno" valign="top"></td><td class="lblock">         WWW-Authenticate-v  <span class="delete">10</span></td><td> </td><td class="rblock">         WWW-Authenticate-v  <span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
421      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
422      <tr><td class="lineno" valign="top"></td><td class="left">   H</td><td> </td><td class="right">   H</td><td class="lineno" valign="top"></td></tr>
423      <tr><td><a name="diff0031" /></td></tr>
424      <tr><td class="lineno" valign="top"></td><td class="lblock">      Headers</td><td> </td><td class="rblock">      Header<span class="insert"> Field</span>s</td><td class="lineno" valign="top"></td></tr>
425      <tr><td class="lineno" valign="top"></td><td class="left">         Authorization  8</td><td> </td><td class="right">         Authorization  8</td><td class="lineno" valign="top"></td></tr>
426      <tr><td class="lineno" valign="top"></td><td class="left">         Proxy-Authenticate  9</td><td> </td><td class="right">         Proxy-Authenticate  9</td><td class="lineno" valign="top"></td></tr>
427      <tr><td class="lineno" valign="top"></td><td class="left">         Proxy-Authorization  9</td><td> </td><td class="right">         Proxy-Authorization  9</td><td class="lineno" valign="top"></td></tr>
428      <tr><td><a name="diff0032" /></td></tr>
429      <tr><td class="lineno" valign="top"></td><td class="lblock">         WWW-Authenticate  <span class="delete">10</span></td><td> </td><td class="rblock">         WWW-Authenticate  <span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
430      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
431      <tr><td class="lineno" valign="top"></td><td class="left">   P</td><td> </td><td class="right">   P</td><td class="lineno" valign="top"></td></tr>
432      <tr><td><a name="diff0033" /></td></tr>
433      <tr><td class="lineno" valign="top"></td><td class="lblock">      Proxy-Authenticate header  9</td><td> </td><td class="rblock">      Proxy-Authenticate header <span class="insert">field</span>  9</td><td class="lineno" valign="top"></td></tr>
434      <tr><td class="lineno" valign="top"></td><td class="lblock">      Proxy-Authorization header  9</td><td> </td><td class="rblock">      Proxy-Authorization header <span class="insert">field</span>  9</td><td class="lineno" valign="top"></td></tr>
435      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
436      <tr><td class="lineno" valign="top"></td><td class="left">   R</td><td> </td><td class="right">   R</td><td class="lineno" valign="top"></td></tr>
437      <tr><td class="lineno" valign="top"></td><td class="left">      realm  5</td><td> </td><td class="right">      realm  5</td><td class="lineno" valign="top"></td></tr>
438      <tr><td class="lineno" valign="top"></td><td class="left">      realm-value  5</td><td> </td><td class="right">      realm-value  5</td><td class="lineno" valign="top"></td></tr>
439      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
440      <tr><td class="lineno" valign="top"></td><td class="left">   S</td><td> </td><td class="right">   S</td><td class="lineno" valign="top"></td></tr>
441      <tr><td class="lineno" valign="top"></td><td class="left">      Status Codes</td><td> </td><td class="right">      Status Codes</td><td class="lineno" valign="top"></td></tr>
442      <tr><td class="lineno" valign="top"></td><td class="left">         401 Unauthorized  7</td><td> </td><td class="right">         401 Unauthorized  7</td><td class="lineno" valign="top"></td></tr>
443      <tr><td><a name="diff0034" /></td></tr>
444      <tr><td class="lineno" valign="top"></td><td class="lblock">         407 Proxy Authentication Required  <span class="delete">8</span></td><td> </td><td class="rblock">         407 Proxy Authentication Required  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
445      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
446      <tr><td class="lineno" valign="top"></td><td class="left">   W</td><td> </td><td class="right">   W</td><td class="lineno" valign="top"></td></tr>
447      <tr><td><a name="diff0035" /></td></tr>
448      <tr><td class="lineno" valign="top"></td><td class="lblock">      WWW-Authenticate header <span class="delete"> 10</span></td><td> </td><td class="rblock">      WWW-Authenticate header <span class="insert">field  9</span></td><td class="lineno" valign="top"></td></tr>
449      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
450      <tr><td class="lineno" valign="top"></td><td class="left">Authors' Addresses</td><td> </td><td class="right">Authors' Addresses</td><td class="lineno" valign="top"></td></tr>
451      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
452      <tr><td class="lineno" valign="top"></td><td class="left">   Roy T. Fielding (editor)</td><td> </td><td class="right">   Roy T. Fielding (editor)</td><td class="lineno" valign="top"></td></tr>
453      <tr><td><a name="diff0036" /></td></tr>
454      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Day Software</span></td><td> </td><td class="rblock">   <span class="insert">Adobe Systems Incorporated</span></td><td class="lineno" valign="top"></td></tr>
455      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   23 Corporate Plaza DR, Suite 280</span></td><td> </td><td class="rblock"><span class="insert">   345 Park Ave</span></td><td class="lineno" valign="top"></td></tr>
456      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Newport Beach,</span> CA  <span class="delete">92660</span></td><td> </td><td class="rblock"><span class="insert">   San Jose,</span> CA  <span class="insert">95110</span></td><td class="lineno" valign="top"></td></tr>
457      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
458      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
459      <tr><td><a name="diff0037" /></td></tr>
460      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">Phone: +1-949-706-5300</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
461      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   Fax:   +1-949-706-5305</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
462      <tr><td class="lineno" valign="top"></td><td class="left">   EMail: fielding@gbiv.com</td><td> </td><td class="right">   EMail: fielding@gbiv.com</td><td class="lineno" valign="top"></td></tr>
463      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://roy.gbiv.com/</td><td> </td><td class="right">   URI:   http://roy.gbiv.com/</td><td class="lineno" valign="top"></td></tr>
464      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
465      <tr><td class="lineno" valign="top"></td><td class="left">   Jim Gettys</td><td> </td><td class="right">   Jim Gettys</td><td class="lineno" valign="top"></td></tr>
466      <tr><td class="lineno" valign="top"></td><td class="left">   Alcatel-Lucent Bell Labs</td><td> </td><td class="right">   Alcatel-Lucent Bell Labs</td><td class="lineno" valign="top"></td></tr>
467      <tr><td class="lineno" valign="top"></td><td class="left">   21 Oak Knoll Road</td><td> </td><td class="right">   21 Oak Knoll Road</td><td class="lineno" valign="top"></td></tr>
468      <tr><td class="lineno" valign="top"></td><td class="left">   Carlisle, MA  01741</td><td> </td><td class="right">   Carlisle, MA  01741</td><td class="lineno" valign="top"></td></tr>
469      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
470      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
471      <tr><td class="lineno" valign="top"></td><td class="left">   EMail: jg@freedesktop.org</td><td> </td><td class="right">   EMail: jg@freedesktop.org</td><td class="lineno" valign="top"></td></tr>
472      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
473      <tr bgcolor="gray" ><td></td><th><a name="part-l7" /><small>skipping to change at</small><em> page 18, line 5</em></th><th> </th><th><a name="part-r7" /><small>skipping to change at</small><em> page 18, line 5</em></th><td></td></tr>
474      <tr><td class="lineno" valign="top"></td><td class="left">   EMail: JeffMogul@acm.org</td><td> </td><td class="right">   EMail: JeffMogul@acm.org</td><td class="lineno" valign="top"></td></tr>
475      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
476      <tr><td class="lineno" valign="top"></td><td class="left">   Henrik Frystyk Nielsen</td><td> </td><td class="right">   Henrik Frystyk Nielsen</td><td class="lineno" valign="top"></td></tr>
477      <tr><td class="lineno" valign="top"></td><td class="left">   Microsoft Corporation</td><td> </td><td class="right">   Microsoft Corporation</td><td class="lineno" valign="top"></td></tr>
478      <tr><td class="lineno" valign="top"></td><td class="left">   1 Microsoft Way</td><td> </td><td class="right">   1 Microsoft Way</td><td class="lineno" valign="top"></td></tr>
479      <tr><td class="lineno" valign="top"></td><td class="left">   Redmond, WA  98052</td><td> </td><td class="right">   Redmond, WA  98052</td><td class="lineno" valign="top"></td></tr>
480      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
481      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
482      <tr><td class="lineno" valign="top"></td><td class="left">   EMail: henrikn@microsoft.com</td><td> </td><td class="right">   EMail: henrikn@microsoft.com</td><td class="lineno" valign="top"></td></tr>
483      <tr><td class="lineno" valign="top"></td><td class="left">   Larry Masinter</td><td> </td><td class="right">   Larry Masinter</td><td class="lineno" valign="top"></td></tr>
484      <tr><td><a name="diff0038" /></td></tr>
485      <tr><td class="lineno" valign="top"></td><td class="lblock">   Adobe Systems<span class="delete">,</span> Incorporated</td><td> </td><td class="rblock">   Adobe Systems Incorporated</td><td class="lineno" valign="top"></td></tr>
486      <tr><td class="lineno" valign="top"></td><td class="left">   345 Park Ave</td><td> </td><td class="right">   345 Park Ave</td><td class="lineno" valign="top"></td></tr>
487      <tr><td class="lineno" valign="top"></td><td class="left">   San Jose, CA  95110</td><td> </td><td class="right">   San Jose, CA  95110</td><td class="lineno" valign="top"></td></tr>
488      <tr><td class="lineno" valign="top"></td><td class="left">   USA</td><td> </td><td class="right">   USA</td><td class="lineno" valign="top"></td></tr>
489      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
490      <tr><td class="lineno" valign="top"></td><td class="left">   EMail: LMM@acm.org</td><td> </td><td class="right">   EMail: LMM@acm.org</td><td class="lineno" valign="top"></td></tr>
491      <tr><td class="lineno" valign="top"></td><td class="left">   URI:   http://larry.masinter.net/</td><td> </td><td class="right">   URI:   http://larry.masinter.net/</td><td class="lineno" valign="top"></td></tr>
492      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
493      <tr><td class="lineno" valign="top"></td><td class="left">   Paul J. Leach</td><td> </td><td class="right">   Paul J. Leach</td><td class="lineno" valign="top"></td></tr>
494      <tr><td class="lineno" valign="top"></td><td class="left">   Microsoft Corporation</td><td> </td><td class="right">   Microsoft Corporation</td><td class="lineno" valign="top"></td></tr>
495      <tr><td class="lineno" valign="top"></td><td class="left">   1 Microsoft Way</td><td> </td><td class="right">   1 Microsoft Way</td><td class="lineno" valign="top"></td></tr>
496
497     <tr><td></td><td class="left"></td><td> </td><td class="right"></td><td></td></tr>
498     <tr bgcolor="gray"><th colspan="5" align="center"><a name="end">&nbsp;End of changes. 38 change blocks.&nbsp;</a></th></tr>
499     <tr class="stats"><td></td><th><i>65 lines changed or deleted</i></th><th><i> </i></th><th><i>66 lines changed or added</i></th><td></td></tr>
500     <tr><td colspan="5" align="center" class="small"><br/>This html diff was produced by rfcdiff 1.38. The latest version is available from <a href="http://www.tools.ietf.org/tools/rfcdiff/" >http://tools.ietf.org/tools/rfcdiff/</a> </td></tr>
501   </table>
502   </body>
503   </html>
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