Ignore:
Timestamp:
Feb 8, 2012, 12:19:08 AM (8 years ago)
Author:
julian.reschke@…
Message:

Note the ambiguity in the Proxy-A and WWW-A ABNF (see #342)

File:
1 edited

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  • draft-ietf-httpbis/latest/p7-auth.xml

    r1523 r1533  
    676676   Proxy-Authenticate header field.
    677677</t>
     678<t>
     679   Note that the parsing considerations for WWW-Authenticate apply to this
     680   header field as well; see <xref target="header.www-authenticate"/> for
     681   details.
     682</t>
    678683</section>
    679684
     
    737742  This header field contains two challenges; one for the "Newauth" scheme
    738743  with a realm value of "apps", and two additional parameters "type" and
    739   "title", and another one for the "Basic" scheme with a realm value of "simple".
     744  "title", and another one for the "Basic" scheme with a realm value of
     745  "simple".
    740746</postamble></figure>
     747<x:note>
     748  <t>
     749    <x:h>Note:</x:h> The challenge grammar production uses the list syntax as
     750    well. Therefore, a sequence of comma, whitespace, and comma can be
     751    considered both as applying to the preceding challenge, or to be an
     752    empty entry in the list of challenges. In practice, this ambiguity
     753    does not affect the semantics of the header field value and thus is
     754    harmless.
     755  </t>
     756</x:note>
    741757</section>
    742758
     
    14731489<section title="Since draft-ietf-httpbis-p7-auth-18" anchor="changes.since.18">
    14741490<t>
    1475   None yet.
     1491  Closed issues:
     1492  <list style="symbols">
     1493    <t>
     1494      <eref target="http://tools.ietf.org/wg/httpbis/trac/ticket/342"/>:
     1495      "WWW-Authenticate ABNF slightly ambiguous"
     1496    </t>
     1497  </list>
    14761498</t>
    14771499</section>
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