source: draft-ietf-httpbis/diffs/draft-ietf-httpbis-p7-auth-18-from-17.diff.html

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prepare for publication of -18 on Jan 04.

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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-17.txt&nbsp;</th><th> </th><th>&nbsp;draft-ietf-httpbis-p7-auth-18.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 class="lineno" valign="top"></td><td class="left">Internet-Draft                                                     Adobe</td><td> </td><td class="right">Internet-Draft                                                     Adobe</td><td class="lineno" valign="top"></td></tr>
42      <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>
43      <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>
44      <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>
45      <tr><td><a name="diff0001" /></td></tr>
46      <tr><td class="lineno" valign="top"></td><td class="lblock">Expires: <span class="delete">May 3, 2012 </span>                                                 HP</td><td> </td><td class="rblock">Expires: <span class="insert">July 7, 2012</span>                                                 HP</td><td class="lineno" valign="top"></td></tr>
47      <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>
48      <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>
49      <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>
50      <tr><td class="lineno" valign="top"></td><td class="left">                                                                   Adobe</td><td> </td><td class="right">                                                                   Adobe</td><td class="lineno" valign="top"></td></tr>
51      <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>
52      <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>
53      <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>
54      <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>
55      <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>
56      <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>
57      <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>
58      <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>
59      <tr><td><a name="diff0002" /></td></tr>
60      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                        <span class="delete">October 31, 2011</span></td><td> </td><td class="rblock">                                                        <span class="insert"> January 4, 2012</span></td><td class="lineno" valign="top"></td></tr>
61      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
62      <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>
63      <tr><td><a name="diff0003" /></td></tr>
64      <tr><td class="lineno" valign="top"></td><td class="lblock">                     draft-ietf-httpbis-p7-auth-1<span class="delete">7</span></td><td> </td><td class="rblock">                     draft-ietf-httpbis-p7-auth-1<span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
65      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
66      <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>
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">   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>
69      <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>
70      <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>
71      <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>
72      <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>
73      <tr><td class="lineno" valign="top"></td><td class="left">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.</td><td> </td><td class="right">   "HTTP/1.1" and, taken together, obsoletes RFC 2616.</td><td class="lineno" valign="top"></td></tr>
74      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
75      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
76      <tr bgcolor="gray" ><td></td><th><a name="part-l2" /><small>skipping to change at</small><em> page 1, line 48</em></th><th> </th><th><a name="part-r2" /><small>skipping to change at</small><em> page 1, line 48</em></th><td></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">   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>
79      <tr><td class="lineno" valign="top"></td><td class="left">   group mailing list (ietf-http-wg@w3.org), which is archived at</td><td> </td><td class="right">   group mailing list (ietf-http-wg@w3.org), which is archived at</td><td class="lineno" valign="top"></td></tr>
80      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://lists.w3.org/Archives/Public/ietf-http-wg/&gt;.</td><td> </td><td class="right">   &lt;http://lists.w3.org/Archives/Public/ietf-http-wg/&gt;.</td><td class="lineno" valign="top"></td></tr>
81      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
82      <tr><td class="lineno" valign="top"></td><td class="left">   The current issues list is at</td><td> </td><td class="right">   The current issues list is at</td><td class="lineno" valign="top"></td></tr>
83      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://tools.ietf.org/wg/httpbis/trac/report/3&gt; and related</td><td> </td><td class="right">   &lt;http://tools.ietf.org/wg/httpbis/trac/report/3&gt; and related</td><td class="lineno" valign="top"></td></tr>
84      <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>
85      <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>
86      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
87      <tr><td><a name="diff0004" /></td></tr>
88      <tr><td class="lineno" valign="top"></td><td class="lblock">   The changes in this draft are summarized in Appendix C.1<span class="delete">8</span>.</td><td> </td><td class="rblock">   The changes in this draft are summarized in Appendix C.1<span class="insert">9</span>.</td><td class="lineno" valign="top"></td></tr>
89      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
90      <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>
91      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
92      <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>
93      <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>
94      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
95      <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>
96      <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>
97      <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>
98      <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>
99      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
100      <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>
101      <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>
102      <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>
103      <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>
104      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
105      <tr><td><a name="diff0005" /></td></tr>
106      <tr><td class="lineno" valign="top"></td><td class="lblock">   This Internet-Draft will expire on <span class="delete">May 3</span>, 2012.</td><td> </td><td class="rblock">   This Internet-Draft will expire on <span class="insert">July 7</span>, 2012.</td><td class="lineno" valign="top"></td></tr>
107      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
108      <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>
109      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
110      <tr><td><a name="diff0006" /></td></tr>
111      <tr><td class="lineno" valign="top"></td><td class="lblock">   Copyright (c) 201<span class="delete">1</span> IETF Trust and the persons identified as the</td><td> </td><td class="rblock">   Copyright (c) 201<span class="insert">2</span> IETF Trust and the persons identified as the</td><td class="lineno" valign="top"></td></tr>
112      <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>
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123      <tr bgcolor="gray" ><td></td><th><a name="part-l3" /><small>skipping to change at</small><em> page 2, line 51</em></th><th> </th><th><a name="part-r3" /><small>skipping to change at</small><em> page 2, line 51</em></th><td></td></tr>
124      <tr><td class="lineno" valign="top"></td><td class="left">   modifications of such material outside the IETF Standards Process.</td><td> </td><td class="right">   modifications of such material outside the IETF Standards Process.</td><td class="lineno" valign="top"></td></tr>
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127      <tr><td class="lineno" valign="top"></td><td class="left">   outside the IETF Standards Process, and derivative works of it may</td><td> </td><td class="right">   outside the IETF Standards Process, and derivative works of it may</td><td class="lineno" valign="top"></td></tr>
128      <tr><td class="lineno" valign="top"></td><td class="left">   not be created outside the IETF Standards Process, except to format</td><td> </td><td class="right">   not be created outside the IETF Standards Process, except to format</td><td class="lineno" valign="top"></td></tr>
129      <tr><td class="lineno" valign="top"></td><td class="left">   it for publication as an RFC or to translate it into languages other</td><td> </td><td class="right">   it for publication as an RFC or to translate it into languages other</td><td class="lineno" valign="top"></td></tr>
130      <tr><td class="lineno" valign="top"></td><td class="left">   than English.</td><td> </td><td class="right">   than English.</td><td class="lineno" valign="top"></td></tr>
131      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
132      <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>
133      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
134      <tr><td><a name="diff0007" /></td></tr>
135      <tr><td class="lineno" valign="top"></td><td class="lblock">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">4</span></td><td> </td><td class="rblock">   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
136      <tr><td class="lineno" valign="top"></td><td class="lblock">     1.1.  Conformance and Error Handling . . . . . . . . . . . . . .  <span class="delete">4</span></td><td> </td><td class="rblock">     1.1.  Conformance and Error Handling . . . . . . . . . . . . . .  <span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
137      <tr><td class="lineno" valign="top"></td><td class="lblock">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  <span class="delete">4</span></td><td> </td><td class="rblock">     1.2.  Syntax Notation  . . . . . . . . . . . . . . . . . . . . .  <span class="insert">5</span></td><td class="lineno" valign="top"></td></tr>
138      <tr><td class="lineno" valign="top"></td><td class="lblock">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock">       1.2.1.  Core Rules . . . . . . . . . . . . . . . . . . . . . .  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
139      <tr><td class="lineno" valign="top"></td><td class="lblock">   2.  Access Authentication Framework  . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock">   2.  Access Authentication Framework  . . . . . . . . . . . . . . .  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
140      <tr><td class="lineno" valign="top"></td><td class="lblock">     2.1.  Challenge and Response . . . . . . . . . . . . . . . . . .  <span class="delete">5</span></td><td> </td><td class="rblock">     2.1.  Challenge and Response . . . . . . . . . . . . . . . . . .  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
141      <tr><td class="lineno" valign="top"></td><td class="lblock">     2.2.  Protection Space (Realm) . . . . . . . . . . . . . . . . .  <span class="delete">7</span></td><td> </td><td class="rblock">     2.2.  Protection Space (Realm) . . . . . . . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
142      <tr><td class="lineno" valign="top"></td><td class="lblock">     2.3.  Authentication Scheme Registry . . . . . . . . . . . . . .  <span class="delete">7</span></td><td> </td><td class="rblock">     2.3.  Authentication Scheme Registry . . . . . . . . . . . . . .  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
143      <tr><td class="lineno" valign="top"></td><td class="lblock">       2.3.1.  Considerations for New Authentication Schemes  . . . .  <span class="delete">8</span></td><td> </td><td class="rblock">       2.3.1.  Considerations for New Authentication Schemes  . . . .  <span class="insert">9</span></td><td class="lineno" valign="top"></td></tr>
144      <tr><td class="lineno" valign="top"></td><td class="lblock">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . .  <span class="delete">9</span></td><td> </td><td class="rblock">   3.  Status Code Definitions  . . . . . . . . . . . . . . . . . . . <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
145      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.1.  401 Unauthorized . . . . . . . . . . . . . . . . . . . . .  <span class="delete">9</span></td><td> </td><td class="rblock">     3.1.  401 Unauthorized . . . . . . . . . . . . . . . . . . . . . <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
146      <tr><td class="lineno" valign="top"></td><td class="lblock">     3.2.  407 Proxy Authentication Required  . . . . . . . . . . . .  <span class="delete">9</span></td><td> </td><td class="rblock">     3.2.  407 Proxy Authentication Required  . . . . . . . . . . . . <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
147      <tr><td class="lineno" valign="top"></td><td class="lblock">   4.  Header Field Definitions . . . . . . . . . . . . . . . . . . .  <span class="delete">9</span></td><td> </td><td class="rblock">   4.  Header Field Definitions . . . . . . . . . . . . . . . . . . . <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
148      <tr><td class="lineno" valign="top"></td><td class="lblock">     4.1.  Authorization  . . . . . . . . . . . . . . . . . . . . . .  <span class="delete">9</span></td><td> </td><td class="rblock">     4.1.  Authorization  . . . . . . . . . . . . . . . . . . . . . . <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
149      <tr><td class="lineno" valign="top"></td><td class="lblock">     4.2.  Proxy-Authenticate . . . . . . . . . . . . . . . . . . . . <span class="delete">10</span></td><td> </td><td class="rblock">     4.2.  Proxy-Authenticate . . . . . . . . . . . . . . . . . . . . <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
150      <tr><td class="lineno" valign="top"></td><td class="lblock">     4.3.  Proxy-Authorization  . . . . . . . . . . . . . . . . . . . <span class="delete">11</span></td><td> </td><td class="rblock">     4.3.  Proxy-Authorization  . . . . . . . . . . . . . . . . . . . <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
151      <tr><td class="lineno" valign="top"></td><td class="lblock">     4.4.  WWW-Authenticate . . . . . . . . . . . . . . . . . . . . . <span class="delete">11</span></td><td> </td><td class="rblock">     4.4.  WWW-Authenticate . . . . . . . . . . . . . . . . . . . . . <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
152      <tr><td class="lineno" valign="top"></td><td class="lblock">   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . <span class="delete">12</span></td><td> </td><td class="rblock">   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
153      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.1.  Authenticaton Scheme Registry  . . . . . . . . . . . . . . <span class="delete">12</span></td><td> </td><td class="rblock">     5.1.  Authenticaton Scheme Registry  . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
154      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.2.  Status Code Registration . . . . . . . . . . . . . . . . . <span class="delete">12</span></td><td> </td><td class="rblock">     5.2.  Status Code Registration . . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
155      <tr><td class="lineno" valign="top"></td><td class="lblock">     5.3.  Header Field Registration  . . . . . . . . . . . . . . . . <span class="delete">12</span></td><td> </td><td class="rblock">     5.3.  Header Field Registration  . . . . . . . . . . . . . . . . <span class="insert">13</span></td><td class="lineno" valign="top"></td></tr>
156      <tr><td class="lineno" valign="top"></td><td class="lblock">   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . <span class="delete">12</span></td><td> </td><td class="rblock">   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . <span class="insert">14</span></td><td class="lineno" valign="top"></td></tr>
157      <tr><td class="lineno" valign="top"></td><td class="lblock">     6.1.  Authentication Credentials and Idle Clients  . . . . . . . <span class="delete">13</span></td><td> </td><td class="rblock">     6.1.  Authentication Credentials and Idle Clients  . . . . . . . <span class="insert">14</span></td><td class="lineno" valign="top"></td></tr>
158      <tr><td class="lineno" valign="top"></td><td class="lblock">   7.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">13</span></td><td> </td><td class="rblock">   7.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">14</span></td><td class="lineno" valign="top"></td></tr>
159      <tr><td class="lineno" valign="top"></td><td class="lblock">   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">13</span></td><td> </td><td class="rblock">   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">15</span></td><td class="lineno" valign="top"></td></tr>
160      <tr><td class="lineno" valign="top"></td><td class="lblock">     8.1.  Normative References . . . . . . . . . . . . . . . . . . . <span class="delete">13</span></td><td> </td><td class="rblock">     8.1.  Normative References . . . . . . . . . . . . . . . . . . . <span class="insert">15</span></td><td class="lineno" valign="top"></td></tr>
161      <tr><td class="lineno" valign="top"></td><td class="lblock">     8.2.  Informative References . . . . . . . . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">     8.2.  Informative References . . . . . . . . . . . . . . . . . . <span class="insert">15</span></td><td class="lineno" valign="top"></td></tr>
162      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix A.  Changes from RFCs 2616 and 2617 . . . . . . . . . . . <span class="delete">14</span></td><td> </td><td class="rblock">   Appendix A.  Changes from RFCs 2616 and 2617 . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
163      <tr><td class="lineno" valign="top"></td><td class="lblock">   Appendix B.  Collected ABNF  . . . . . . . . . . . . . . . . . . . <span class="delete">15</span></td><td> </td><td class="rblock">   Appendix B.  Collected ABNF  . . . . . . . . . . . . . . . . . . . <span class="insert">16</span></td><td class="lineno" valign="top"></td></tr>
164      <tr><td class="lineno" valign="top"></td><td class="left">   Appendix C.  Change Log (to be removed by RFC Editor before</td><td> </td><td class="right">   Appendix C.  Change Log (to be removed by RFC Editor before</td><td class="lineno" valign="top"></td></tr>
165      <tr><td><a name="diff0008" /></td></tr>
166      <tr><td class="lineno" valign="top"></td><td class="lblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">                publication)  . . . . . . . . . . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
167      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.1.  Since RFC 2616 . . . . . . . . . . . . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     C.1.  Since RFC 2616 . . . . . . . . . . . . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
168      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.2.  Since draft-ietf-httpbis-p7-auth-00  . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     C.2.  Since draft-ietf-httpbis-p7-auth-00  . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
169      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.3.  Since draft-ietf-httpbis-p7-auth-01  . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     C.3.  Since draft-ietf-httpbis-p7-auth-01  . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
170      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.4.  Since draft-ietf-httpbis-p7-auth-02  . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     C.4.  Since draft-ietf-httpbis-p7-auth-02  . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
171      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.5.  Since draft-ietf-httpbis-p7-auth-03  . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     C.5.  Since draft-ietf-httpbis-p7-auth-03  . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
172      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.6.  Since draft-ietf-httpbis-p7-auth-04  . . . . . . . . . . . <span class="delete">16</span></td><td> </td><td class="rblock">     C.6.  Since draft-ietf-httpbis-p7-auth-04  . . . . . . . . . . . <span class="insert">17</span></td><td class="lineno" valign="top"></td></tr>
173      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.7.  Since draft-ietf-httpbis-p7-auth-05  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.7.  Since draft-ietf-httpbis-p7-auth-05  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
174      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.8.  Since draft-ietf-httpbis-p7-auth-06  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.8.  Since draft-ietf-httpbis-p7-auth-06  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
175      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.9.  Since draft-ietf-httpbis-p7-auth-07  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.9.  Since draft-ietf-httpbis-p7-auth-07  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
176      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.10. Since draft-ietf-httpbis-p7-auth-08  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.10. Since draft-ietf-httpbis-p7-auth-08  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
177      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.11. Since draft-ietf-httpbis-p7-auth-09  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.11. Since draft-ietf-httpbis-p7-auth-09  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
178      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.12. Since draft-ietf-httpbis-p7-auth-10  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.12. Since draft-ietf-httpbis-p7-auth-10  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
179      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.13. Since draft-ietf-httpbis-p7-auth-11  . . . . . . . . . . . <span class="delete">17</span></td><td> </td><td class="rblock">     C.13. Since draft-ietf-httpbis-p7-auth-11  . . . . . . . . . . . <span class="insert">18</span></td><td class="lineno" valign="top"></td></tr>
180      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.14. Since draft-ietf-httpbis-p7-auth-12  . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     C.14. Since draft-ietf-httpbis-p7-auth-12  . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
181      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.15. Since draft-ietf-httpbis-p7-auth-13  . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     C.15. Since draft-ietf-httpbis-p7-auth-13  . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
182      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.16. Since draft-ietf-httpbis-p7-auth-14  . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     C.16. Since draft-ietf-httpbis-p7-auth-14  . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
183      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.17. Since draft-ietf-httpbis-p7-auth-15  . . . . . . . . . . . <span class="delete">18</span></td><td> </td><td class="rblock">     C.17. Since draft-ietf-httpbis-p7-auth-15  . . . . . . . . . . . <span class="insert">19</span></td><td class="lineno" valign="top"></td></tr>
184      <tr><td class="lineno" valign="top"></td><td class="lblock">     C.18. Since draft-ietf-httpbis-p7-auth-16  . . . . . . . . . . . <span class="delete">19</span></td><td> </td><td class="rblock">     C.18. Since draft-ietf-httpbis-p7-auth-16  . . . . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
185      <tr><td class="lineno" valign="top"></td><td class="lblock">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="delete">19</span></td><td> </td><td class="rblock"><span class="insert">     C.19. Since draft-ietf-httpbis-p7-auth-17  . . . . . . . . . . . 20</span></td><td class="lineno" valign="top"></td></tr>
186      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
187      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   Index  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="insert">20</span></td><td class="lineno" valign="top"></td></tr>
188      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
189      <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>
190      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
191      <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>
192      <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>
193      <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>
194      <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>
195      <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>
196      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
197      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP provides several OPTIONAL challenge-response authentication</td><td> </td><td class="right">   HTTP provides several OPTIONAL challenge-response authentication</td><td class="lineno" valign="top"></td></tr>
198      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
199      <tr bgcolor="gray" ><td></td><th><a name="part-l4" /><small>skipping to change at</small><em> page 5, line 33</em></th><th> </th><th><a name="part-r4" /><small>skipping to change at</small><em> page 6, line 33</em></th><td></td></tr>
200      <tr><td class="lineno" valign="top"></td><td class="left">2.  Access Authentication Framework</td><td> </td><td class="right">2.  Access Authentication Framework</td><td class="lineno" valign="top"></td></tr>
201      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
202      <tr><td class="lineno" valign="top"></td><td class="left">2.1.  Challenge and Response</td><td> </td><td class="right">2.1.  Challenge and Response</td><td class="lineno" valign="top"></td></tr>
203      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
204      <tr><td class="lineno" valign="top"></td><td class="left">   HTTP provides a simple challenge-response authentication mechanism</td><td> </td><td class="right">   HTTP provides a simple challenge-response authentication mechanism</td><td class="lineno" valign="top"></td></tr>
205      <tr><td class="lineno" valign="top"></td><td class="left">   that can be used by a server to challenge a client request and by a</td><td> </td><td class="right">   that can be used by a server to challenge a client request and by a</td><td class="lineno" valign="top"></td></tr>
206      <tr><td class="lineno" valign="top"></td><td class="left">   client to provide authentication information.  It uses an extensible,</td><td> </td><td class="right">   client to provide authentication information.  It uses an extensible,</td><td class="lineno" valign="top"></td></tr>
207      <tr><td class="lineno" valign="top"></td><td class="left">   case-insensitive token to identify the authentication scheme,</td><td> </td><td class="right">   case-insensitive token to identify the authentication scheme,</td><td class="lineno" valign="top"></td></tr>
208      <tr><td class="lineno" valign="top"></td><td class="left">   followed by additional information necessary for achieving</td><td> </td><td class="right">   followed by additional information necessary for achieving</td><td class="lineno" valign="top"></td></tr>
209      <tr><td class="lineno" valign="top"></td><td class="left">   authentication via that scheme.  The latter can either be a comma-</td><td> </td><td class="right">   authentication via that scheme.  The latter can either be a comma-</td><td class="lineno" valign="top"></td></tr>
210      <tr><td><a name="diff0009" /></td></tr>
211      <tr><td class="lineno" valign="top"></td><td class="lblock">   separated list of <span class="delete">attribute-value pairs</span> or a single sequence of</td><td> </td><td class="rblock">   separated list of <span class="insert">parameters</span> or a single sequence of characters</td><td class="lineno" valign="top"></td></tr>
212      <tr><td class="lineno" valign="top"></td><td class="lblock">   characters capable of holding base64-encoded information.</td><td> </td><td class="rblock">   capable of holding base64-encoded information.</td><td class="lineno" valign="top"></td></tr>
213      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
214      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   <span class="insert">Parameters are name-value pairs where the name is matched case-</span></td><td class="lineno" valign="top"></td></tr>
215      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   insensitively, and each parameter name MUST only occur once per</span></td><td class="lineno" valign="top"></td></tr>
216      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   challenge.</span></td><td class="lineno" valign="top"></td></tr>
217      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
218      <tr><td class="lineno" valign="top"></td><td class="left">     auth-scheme    = token</td><td> </td><td class="right">     auth-scheme    = token</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">     auth-param     = token BWS "=" BWS ( token / quoted-string )</td><td> </td><td class="right">     auth-param     = token BWS "=" BWS ( token / quoted-string )</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">     b64token       = 1*( ALPHA / DIGIT /</td><td> </td><td class="right">     b64token       = 1*( ALPHA / DIGIT /</td><td class="lineno" valign="top"></td></tr>
223      <tr><td class="lineno" valign="top"></td><td class="left">                          "-" / "." / "_" / "~" / "+" / "/" ) *"="</td><td> </td><td class="right">                          "-" / "." / "_" / "~" / "+" / "/" ) *"="</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">   The "b64token" syntax allows the 66 unreserved URI characters</td><td> </td><td class="right">   The "b64token" syntax allows the 66 unreserved URI characters</td><td class="lineno" valign="top"></td></tr>
226      <tr><td class="lineno" valign="top"></td><td class="left">   ([RFC3986]), plus a few others, so that it can hold a base64,</td><td> </td><td class="right">   ([RFC3986]), plus a few others, so that it can hold a base64,</td><td class="lineno" valign="top"></td></tr>
227      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
228      <tr bgcolor="gray" ><td></td><th><a name="part-l5" /><small>skipping to change at</small><em> page 7, line 19</em></th><th> </th><th><a name="part-r5" /><small>skipping to change at</small><em> page 8, line 23</em></th><td></td></tr>
229      <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>
230      <tr><td class="lineno" valign="top"></td><td class="left">   specifying authentication information.  However, such additional</td><td> </td><td class="right">   specifying authentication information.  However, such additional</td><td class="lineno" valign="top"></td></tr>
231      <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>
232      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
233      <tr><td class="lineno" valign="top"></td><td class="left">   Proxies MUST forward the WWW-Authenticate and Authorization headers</td><td> </td><td class="right">   Proxies MUST forward the WWW-Authenticate and Authorization headers</td><td class="lineno" valign="top"></td></tr>
234      <tr><td class="lineno" valign="top"></td><td class="left">   unmodified and follow the rules found in Section 4.1.</td><td> </td><td class="right">   unmodified and follow the rules found in Section 4.1.</td><td class="lineno" valign="top"></td></tr>
235      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
236      <tr><td class="lineno" valign="top"></td><td class="left">2.2.  Protection Space (Realm)</td><td> </td><td class="right">2.2.  Protection Space (Realm)</td><td class="lineno" valign="top"></td></tr>
237      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
238      <tr><td class="lineno" valign="top"></td><td class="left">   The authentication parameter realm is reserved for use by</td><td> </td><td class="right">   The authentication parameter realm is reserved for use by</td><td class="lineno" valign="top"></td></tr>
239      <tr><td><a name="diff0010" /></td></tr>
240      <tr><td class="lineno" valign="top"></td><td class="lblock">   authentication schemes that wish to indicate the scope of <span class="delete">protection:</span></td><td> </td><td class="rblock">   authentication schemes that wish to indicate the scope of <span class="insert">protection.</span></td><td class="lineno" valign="top"></td></tr>
241      <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>
242      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">     realm       = "realm" BWS "=" BWS realm-value</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
243      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">     realm-value = quoted-string</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
244      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
245      <tr><td class="lineno" valign="top"></td><td class="left">   A protection space is defined by the canonical root URI (the scheme</td><td> </td><td class="right">   A protection space is defined by the canonical root URI (the scheme</td><td class="lineno" valign="top"></td></tr>
246      <tr><td class="lineno" valign="top"></td><td class="left">   and authority components of the effective request URI; see Section</td><td> </td><td class="right">   and authority components of the effective request URI; see Section</td><td class="lineno" valign="top"></td></tr>
247      <tr><td class="lineno" valign="top"></td><td class="left">   4.3 of [Part1]) of the server being accessed, in combination with the</td><td> </td><td class="right">   4.3 of [Part1]) of the server being accessed, in combination with the</td><td class="lineno" valign="top"></td></tr>
248      <tr><td class="lineno" valign="top"></td><td class="left">   realm value if present.  These realms allow the protected resources</td><td> </td><td class="right">   realm value if present.  These realms allow the protected resources</td><td class="lineno" valign="top"></td></tr>
249      <tr><td class="lineno" valign="top"></td><td class="left">   on a server to be partitioned into a set of protection spaces, each</td><td> </td><td class="right">   on a server to be partitioned into a set of protection spaces, each</td><td class="lineno" valign="top"></td></tr>
250      <tr><td class="lineno" valign="top"></td><td class="left">   with its own authentication scheme and/or authorization database.</td><td> </td><td class="right">   with its own authentication scheme and/or authorization database.</td><td class="lineno" valign="top"></td></tr>
251      <tr><td class="lineno" valign="top"></td><td class="left">   The realm value is a string, generally assigned by the origin server,</td><td> </td><td class="right">   The realm value is a string, generally assigned by the origin server,</td><td class="lineno" valign="top"></td></tr>
252      <tr><td class="lineno" valign="top"></td><td class="left">   which can have additional semantics specific to the authentication</td><td> </td><td class="right">   which can have additional semantics specific to the authentication</td><td class="lineno" valign="top"></td></tr>
253      <tr><td class="lineno" valign="top"></td><td class="left">   scheme.  Note that there can be multiple challenges with the same</td><td> </td><td class="right">   scheme.  Note that there can be multiple challenges with the same</td><td class="lineno" valign="top"></td></tr>
254      <tr><td class="lineno" valign="top"></td><td class="left">   auth-scheme but different realms.</td><td> </td><td class="right">   auth-scheme but different realms.</td><td class="lineno" valign="top"></td></tr>
255      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
256      <tr><td class="lineno" valign="top"></td><td class="left">   The protection space determines the domain over which credentials can</td><td> </td><td class="right">   The protection space determines the domain over which credentials can</td><td class="lineno" valign="top"></td></tr>
257      <tr><td class="lineno" valign="top"></td><td class="left">   be automatically applied.  If a prior request has been authorized,</td><td> </td><td class="right">   be automatically applied.  If a prior request has been authorized,</td><td class="lineno" valign="top"></td></tr>
258      <tr><td class="lineno" valign="top"></td><td class="left">   the same credentials MAY be reused for all other requests within that</td><td> </td><td class="right">   the same credentials MAY be reused for all other requests within that</td><td class="lineno" valign="top"></td></tr>
259      <tr><td class="lineno" valign="top"></td><td class="left">   protection space for a period of time determined by the</td><td> </td><td class="right">   protection space for a period of time determined by the</td><td class="lineno" valign="top"></td></tr>
260      <tr><td class="lineno" valign="top"></td><td class="left">   authentication scheme, parameters, and/or user preference.  Unless</td><td> </td><td class="right">   authentication scheme, parameters, and/or user preference.  Unless</td><td class="lineno" valign="top"></td></tr>
261      <tr><td class="lineno" valign="top"></td><td class="left">   otherwise defined by the authentication scheme, a single protection</td><td> </td><td class="right">   otherwise defined by the authentication scheme, a single protection</td><td class="lineno" valign="top"></td></tr>
262      <tr><td class="lineno" valign="top"></td><td class="left">   space cannot extend outside the scope of its server.</td><td> </td><td class="right">   space cannot extend outside the scope of its server.</td><td class="lineno" valign="top"></td></tr>
263      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
264      <tr><td><a name="diff0011" /></td></tr>
265      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">   <span class="insert">For historical reasons, senders MUST only use the quoted-string</span></td><td class="lineno" valign="top"></td></tr>
266      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   syntax.  Recipients might have to support both token and quoted-</span></td><td class="lineno" valign="top"></td></tr>
267      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   string syntax for maximum interoperability with existing clients that</span></td><td class="lineno" valign="top"></td></tr>
268      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   have been accepting both notations for a long time.</span></td><td class="lineno" valign="top"></td></tr>
269      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
270      <tr><td class="lineno" valign="top"></td><td class="left">2.3.  Authentication Scheme Registry</td><td> </td><td class="right">2.3.  Authentication Scheme Registry</td><td class="lineno" valign="top"></td></tr>
271      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
272      <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>
273      <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>
274      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
275      <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>
276      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
277      <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>
278      <tr><td><a name="diff0012" /></td></tr>
279      <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>
280      <tr><td class="lineno" valign="top"></td><td class="left">   o  Pointer to specification text</td><td> </td><td class="right">   o  Pointer to specification text</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">   o  Notes (optional)</td><td> </td><td class="right">   o  Notes (optional)</td><td class="lineno" valign="top"></td></tr>
283      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
284      <tr><td class="lineno" valign="top"></td><td class="left">   Values to be added to this name space are subject to IETF review</td><td> </td><td class="right">   Values to be added to this name space are subject to IETF review</td><td class="lineno" valign="top"></td></tr>
285      <tr><td class="lineno" valign="top"></td><td class="left">   ([RFC5226], Section 4.1).</td><td> </td><td class="right">   ([RFC5226], Section 4.1).</td><td class="lineno" valign="top"></td></tr>
286      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
287      <tr><td class="lineno" valign="top"></td><td class="left">   The registry itself is maintained at</td><td> </td><td class="right">   The registry itself is maintained at</td><td class="lineno" valign="top"></td></tr>
288      <tr><td class="lineno" valign="top"></td><td class="left">   &lt;http://www.iana.org/assignments/http-authschemes&gt;.</td><td> </td><td class="right">   &lt;http://www.iana.org/assignments/http-authschemes&gt;.</td><td class="lineno" valign="top"></td></tr>
289      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
290      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
291      <tr bgcolor="gray" ><td></td><th><a name="part-l6" /><small>skipping to change at</small><em> page 13, line 50</em></th><th> </th><th><a name="part-r6" /><small>skipping to change at</small><em> page 15, line 12</em></th><td></td></tr>
292      <tr><td class="lineno" valign="top"></td><td class="left">   See Section 11 of [Part1] for the Acknowledgments related to this</td><td> </td><td class="right">   See Section 11 of [Part1] for the Acknowledgments related to this</td><td class="lineno" valign="top"></td></tr>
293      <tr><td class="lineno" valign="top"></td><td class="left">   document revision.</td><td> </td><td class="right">   document revision.</td><td class="lineno" valign="top"></td></tr>
294      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
295      <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>
296      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
297      <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>
298      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
299      <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>
300      <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>
301      <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>
302      <tr><td><a name="diff0013" /></td></tr>
303      <tr><td class="lineno" valign="top"></td><td class="lblock">              and Message Parsing", <span class="delete">draft-ietf-httpbis-p1-messaging-17</span></td><td> </td><td class="rblock">              and Message Parsing", <span class="insert">draft-ietf-httpbis-p1-messaging-18</span></td><td class="lineno" valign="top"></td></tr>
304      <tr><td class="lineno" valign="top"></td><td class="lblock">              (work in progress), <span class="delete">October 2011.</span></td><td> </td><td class="rblock">              (work in progress), <span class="insert">January 2012.</span></td><td class="lineno" valign="top"></td></tr>
305      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
306      <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>
307      <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>
308      <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>
309      <tr><td><a name="diff0014" /></td></tr>
310      <tr><td class="lineno" valign="top"></td><td class="lblock">              6: Caching", <span class="delete">draft-ietf-httpbis-p6-cache-17</span> (work in</td><td> </td><td class="rblock">              6: Caching", <span class="insert">draft-ietf-httpbis-p6-cache-18</span> (work in</td><td class="lineno" valign="top"></td></tr>
311      <tr><td class="lineno" valign="top"></td><td class="lblock">              progress), <span class="delete">October 2011.</span></td><td> </td><td class="rblock">              progress), <span class="insert">January 2012.</span></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 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>
314      <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>
315      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
316      <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>
317      <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>
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">8.2.  Informative References</td><td> </td><td class="right">8.2.  Informative References</td><td class="lineno" valign="top"></td></tr>
320      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
321      <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>
322      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
323      <tr bgcolor="gray" ><td></td><th><a name="part-l7" /><small>skipping to change at</small><em> page 15, line 35</em></th><th> </th><th><a name="part-r7" /><small>skipping to change at</small><em> page 16, line 46</em></th><td></td></tr>
324      <tr><td class="lineno" valign="top"></td><td class="left">   b64token = 1*( ALPHA / DIGIT / "-" / "." / "_" / "~" / "+" / "/" )</td><td> </td><td class="right">   b64token = 1*( ALPHA / DIGIT / "-" / "." / "_" / "~" / "+" / "/" )</td><td class="lineno" valign="top"></td></tr>
325      <tr><td class="lineno" valign="top"></td><td class="left">    *"="</td><td> </td><td class="right">    *"="</td><td class="lineno" valign="top"></td></tr>
326      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
327      <tr><td class="lineno" valign="top"></td><td class="left">   challenge = auth-scheme [ 1*SP ( b64token / [ ( "," / auth-param ) *(</td><td> </td><td class="right">   challenge = auth-scheme [ 1*SP ( b64token / [ ( "," / auth-param ) *(</td><td class="lineno" valign="top"></td></tr>
328      <tr><td class="lineno" valign="top"></td><td class="left">    OWS "," [ OWS auth-param ] ) ] ) ]</td><td> </td><td class="right">    OWS "," [ OWS auth-param ] ) ] ) ]</td><td class="lineno" valign="top"></td></tr>
329      <tr><td class="lineno" valign="top"></td><td class="left">   credentials = auth-scheme [ 1*SP ( b64token / [ ( "," / auth-param )</td><td> </td><td class="right">   credentials = auth-scheme [ 1*SP ( b64token / [ ( "," / auth-param )</td><td class="lineno" valign="top"></td></tr>
330      <tr><td class="lineno" valign="top"></td><td class="left">    *( OWS "," [ OWS auth-param ] ) ] ) ]</td><td> </td><td class="right">    *( OWS "," [ OWS auth-param ] ) ] ) ]</td><td class="lineno" valign="top"></td></tr>
331      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
332      <tr><td class="lineno" valign="top"></td><td class="left">   quoted-string = &lt;quoted-string, defined in [Part1], Section 3.2.3&gt;</td><td> </td><td class="right">   quoted-string = &lt;quoted-string, defined in [Part1], Section 3.2.3&gt;</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><a name="diff0015" /></td></tr>
335      <tr><td class="lineno" valign="top"></td><td class="lblock">   <span class="delete">realm = "realm" BWS "=" BWS realm-value</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
336      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   realm-value = quoted-string</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
337      <tr><td class="lineno" valign="top"></td><td class="lblock">                                                                         </td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
338      <tr><td class="lineno" valign="top"></td><td class="left">   token = &lt;token, defined in [Part1], Section 3.2.3&gt;</td><td> </td><td class="right">   token = &lt;token, defined in [Part1], Section 3.2.3&gt;</td><td class="lineno" valign="top"></td></tr>
339      <tr><td><a name="diff0016" /></td></tr>
340      <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>
341      <tr><td class="lineno" valign="top"></td><td class="left">   ABNF diagnostics:</td><td> </td><td class="right">   ABNF diagnostics:</td><td class="lineno" valign="top"></td></tr>
342      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
343      <tr><td class="lineno" valign="top"></td><td class="left">   ; Authorization defined but not used</td><td> </td><td class="right">   ; Authorization defined but not used</td><td class="lineno" valign="top"></td></tr>
344      <tr><td class="lineno" valign="top"></td><td class="left">   ; Proxy-Authenticate defined but not used</td><td> </td><td class="right">   ; Proxy-Authenticate defined but not used</td><td class="lineno" valign="top"></td></tr>
345      <tr><td class="lineno" valign="top"></td><td class="left">   ; Proxy-Authorization defined but not used</td><td> </td><td class="right">   ; Proxy-Authorization defined but not used</td><td class="lineno" valign="top"></td></tr>
346      <tr><td class="lineno" valign="top"></td><td class="left">   ; WWW-Authenticate defined but not used</td><td> </td><td class="right">   ; WWW-Authenticate defined but not used</td><td class="lineno" valign="top"></td></tr>
347      <tr><td><a name="diff0017" /></td></tr>
348      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">   ; realm defined but not used</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
349      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
350      <tr><td class="lineno" valign="top"></td><td class="left">Appendix C.  Change Log (to be removed by RFC Editor before publication)</td><td> </td><td class="right">Appendix C.  Change Log (to be removed by RFC Editor before publication)</td><td class="lineno" valign="top"></td></tr>
351      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
352      <tr><td class="lineno" valign="top"></td><td class="left">C.1.  Since RFC 2616</td><td> </td><td class="right">C.1.  Since RFC 2616</td><td class="lineno" valign="top"></td></tr>
353      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
354      <tr><td class="lineno" valign="top"></td><td class="left">   Extracted relevant partitions from [RFC2616].</td><td> </td><td class="right">   Extracted relevant partitions from [RFC2616].</td><td class="lineno" valign="top"></td></tr>
355      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
356      <tr><td class="lineno" valign="top"></td><td class="left">C.2.  Since draft-ietf-httpbis-p7-auth-00</td><td> </td><td class="right">C.2.  Since draft-ietf-httpbis-p7-auth-00</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">   Closed issues:</td><td> </td><td class="right">   Closed issues:</td><td class="lineno" valign="top"></td></tr>
359      <tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
360      <tr bgcolor="gray" ><td></td><th><a name="part-l8" /><small>skipping to change at</small><em> page 19, line 15</em></th><th> </th><th><a name="part-r8" /><small>skipping to change at</small><em> page 20, line 18</em></th><td></td></tr>
361      <tr><td class="lineno" valign="top"></td><td class="left">C.18.  Since draft-ietf-httpbis-p7-auth-16</td><td> </td><td class="right">C.18.  Since draft-ietf-httpbis-p7-auth-16</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">   Closed issues:</td><td> </td><td class="right">   Closed issues:</td><td class="lineno" valign="top"></td></tr>
364      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
365      <tr><td class="lineno" valign="top"></td><td class="left">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/186&gt;: "Document</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/186&gt;: "Document</td><td class="lineno" valign="top"></td></tr>
366      <tr><td class="lineno" valign="top"></td><td class="left">      HTTP's error-handling philosophy"</td><td> </td><td class="right">      HTTP's error-handling philosophy"</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">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/320&gt;: "add advice on</td><td> </td><td class="right">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/320&gt;: "add advice on</td><td class="lineno" valign="top"></td></tr>
369      <tr><td class="lineno" valign="top"></td><td class="left">      defining auth scheme parameters"</td><td> </td><td class="right">      defining auth scheme parameters"</td><td class="lineno" valign="top"></td></tr>
370      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
371      <tr><td><a name="diff0018" /></td></tr>
372      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">C.19.  Since draft-ietf-httpbis-p7-auth-17</span></td><td class="lineno" valign="top"></td></tr>
373      <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>
374      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   Closed issues:</span></td><td class="lineno" valign="top"></td></tr>
375      <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>
376      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/314&gt;: "allow</span></td><td class="lineno" valign="top"></td></tr>
377      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      unquoted realm parameters"</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"></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"><span class="insert">   o  &lt;http://tools.ietf.org/wg/httpbis/trac/ticket/321&gt;: "Repeating</span></td><td class="lineno" valign="top"></td></tr>
380      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert">      auth-params"</span></td><td class="lineno" valign="top"></td></tr>
381      <tr><td class="lineno" valign="top"></td><td class="lblock"></td><td> </td><td class="rblock">                                                                         </td><td class="lineno" valign="top"></td></tr>
382      <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>
383      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
384      <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>
385      <tr><td><a name="diff0019" /></td></tr>
386      <tr><td class="lineno" valign="top"></td><td class="lblock">      401 Unauthorized (status code)  <span class="delete">9</span></td><td> </td><td class="rblock">      401 Unauthorized (status code)  <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
387      <tr><td class="lineno" valign="top"></td><td class="lblock">      407 Proxy Authentication Required (status code)  <span class="delete">9</span></td><td> </td><td class="rblock">      407 Proxy Authentication Required (status code)  <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
388      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
389      <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>
390      <tr><td><a name="diff0020" /></td></tr>
391      <tr><td class="lineno" valign="top"></td><td class="lblock">      auth-param  <span class="delete">5</span></td><td> </td><td class="rblock">      auth-param  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
392      <tr><td class="lineno" valign="top"></td><td class="lblock">      auth-scheme  <span class="delete">5</span></td><td> </td><td class="rblock">      auth-scheme  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
393      <tr><td class="lineno" valign="top"></td><td class="lblock">      Authorization header field  <span class="delete">9</span></td><td> </td><td class="rblock">      Authorization header field  <span class="insert">11</span></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">   B</td><td> </td><td class="right">   B</td><td class="lineno" valign="top"></td></tr>
396      <tr><td><a name="diff0021" /></td></tr>
397      <tr><td class="lineno" valign="top"></td><td class="lblock">      b64token  <span class="delete">5</span></td><td> </td><td class="rblock">      b64token  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
398      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
399      <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>
400      <tr><td><a name="diff0022" /></td></tr>
401      <tr><td class="lineno" valign="top"></td><td class="lblock">      challenge  <span class="delete">6</span></td><td> </td><td class="rblock">      challenge  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
402      <tr><td class="lineno" valign="top"></td><td class="lblock">      credentials  <span class="delete">6</span></td><td> </td><td class="rblock">      credentials  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
403      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
404      <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>
405      <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>
406      <tr><td><a name="diff0023" /></td></tr>
407      <tr><td class="lineno" valign="top"></td><td class="lblock">         auth-param  <span class="delete">5</span></td><td> </td><td class="rblock">         auth-param  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
408      <tr><td class="lineno" valign="top"></td><td class="lblock">         auth-scheme  <span class="delete">5</span></td><td> </td><td class="rblock">         auth-scheme  <span class="insert">6</span></td><td class="lineno" valign="top"></td></tr>
409      <tr><td class="lineno" valign="top"></td><td class="lblock">         Authorization  <span class="delete">10</span></td><td> </td><td class="rblock">         Authorization  <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
410      <tr><td class="lineno" valign="top"></td><td class="lblock">         b64token  <span class="delete">5</span></td><td> </td><td class="rblock">         b64token  6</td><td class="lineno" valign="top"></td></tr>
411      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         challenge</span>  6</td><td> </td><td class="rblock">         <span class="insert">challenge  7</span></td><td class="lineno" valign="top"></td></tr>
412      <tr><td class="lineno" valign="top"></td><td class="lblock">         credentials  <span class="delete">6</span></td><td> </td><td class="rblock">         credentials  <span class="insert">7</span></td><td class="lineno" valign="top"></td></tr>
413      <tr><td class="lineno" valign="top"></td><td class="lblock">         Proxy-Authenticate  <span class="delete">10</span></td><td> </td><td class="rblock">         Proxy-Authenticate  11</td><td class="lineno" valign="top"></td></tr>
414      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         Proxy-Authorization</span>  11</td><td> </td><td class="rblock">         <span class="insert">Proxy-Authorization  12</span></td><td class="lineno" valign="top"></td></tr>
415      <tr><td class="lineno" valign="top"></td><td class="lblock">         <span class="delete">realm  7</span></td><td> </td><td class="rblock">         WWW-Authenticate  <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
416      <tr><td class="lineno" valign="top"></td><td class="lblock">         WWW-Authenticate  <span class="delete">11</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
417      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
418      <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>
419      <tr><td class="lineno" valign="top"></td><td class="left">      Header Fields</td><td> </td><td class="right">      Header Fields</td><td class="lineno" valign="top"></td></tr>
420      <tr><td><a name="diff0024" /></td></tr>
421      <tr><td class="lineno" valign="top"></td><td class="lblock">         Authorization  <span class="delete">9</span></td><td> </td><td class="rblock">         Authorization  <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
422      <tr><td class="lineno" valign="top"></td><td class="lblock">         Proxy-Authenticate  <span class="delete">10</span></td><td> </td><td class="rblock">         Proxy-Authenticate  11</td><td class="lineno" valign="top"></td></tr>
423      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">         Proxy-Authorization</span>  11</td><td> </td><td class="rblock">         <span class="insert">Proxy-Authorization  12</span></td><td class="lineno" valign="top"></td></tr>
424      <tr><td class="lineno" valign="top"></td><td class="lblock">         WWW-Authenticate  <span class="delete">11</span></td><td> </td><td class="rblock">         WWW-Authenticate  <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
425      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
426      <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>
427      <tr><td><a name="diff0025" /></td></tr>
428      <tr><td class="lineno" valign="top"></td><td class="lblock">      Protection Space  <span class="delete">7</span></td><td> </td><td class="rblock">      Protection Space  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
429      <tr><td class="lineno" valign="top"></td><td class="lblock">      Proxy-Authenticate header field  <span class="delete">10</span></td><td> </td><td class="rblock">      Proxy-Authenticate header field  <span class="insert">11</span></td><td class="lineno" valign="top"></td></tr>
430      <tr><td class="lineno" valign="top"></td><td class="lblock">      Proxy-Authorization header field  <span class="delete">11</span></td><td> </td><td class="rblock">      Proxy-Authorization header field  <span class="insert">12</span></td><td class="lineno" valign="top"></td></tr>
431      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
432      <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>
433      <tr><td><a name="diff0026" /></td></tr>
434      <tr><td class="lineno" valign="top"></td><td class="lblock">      Realm  <span class="delete">7</span></td><td> </td><td class="rblock">      Realm  <span class="insert">8</span></td><td class="lineno" valign="top"></td></tr>
435      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">      realm  7</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
436      <tr><td class="lineno" valign="top"></td><td class="lblock"><span class="delete">      realm-value  7</span></td><td> </td><td class="rblock"></td><td class="lineno" valign="top"></td></tr>
437      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
438      <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>
439      <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>
440      <tr><td><a name="diff0027" /></td></tr>
441      <tr><td class="lineno" valign="top"></td><td class="lblock">         401 Unauthorized  <span class="delete">9</span></td><td> </td><td class="rblock">         401 Unauthorized  <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
442      <tr><td class="lineno" valign="top"></td><td class="lblock">         407 Proxy Authentication Required  <span class="delete">9</span></td><td> </td><td class="rblock">         407 Proxy Authentication Required  <span class="insert">10</span></td><td class="lineno" valign="top"></td></tr>
443      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
444      <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>
445      <tr><td><a name="diff0028" /></td></tr>
446      <tr><td class="lineno" valign="top"></td><td class="lblock">      WWW-Authenticate header field  1<span class="delete">1</span></td><td> </td><td class="rblock">      WWW-Authenticate header field  1<span class="insert">2</span></td><td class="lineno" valign="top"></td></tr>
447      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
448      <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>
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">   Roy T. Fielding (editor)</td><td> </td><td class="right">   Roy T. Fielding (editor)</td><td class="lineno" valign="top"></td></tr>
451      <tr><td class="lineno" valign="top"></td><td class="left">   Adobe Systems Incorporated</td><td> </td><td class="right">   Adobe Systems Incorporated</td><td class="lineno" valign="top"></td></tr>
452      <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>
453      <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>
454      <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>
455      <tr><td class="lineno" valign="top"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno" valign="top"></td></tr>
456      <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>
457
458     <tr><td></td><td class="left"></td><td> </td><td class="right"></td><td></td></tr>
459     <tr bgcolor="gray"><th colspan="5" align="center"><a name="end">&nbsp;End of changes. 28 change blocks.&nbsp;</a></th></tr>
460     <tr class="stats"><td></td><th><i>101 lines changed or deleted</i></th><th><i> </i></th><th><i>112 lines changed or added</i></th><td></td></tr>
461     <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>
462   </table>
463   </body>
464   </html>
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