Changeset 2396 for draft-ietf-httpbis/latest/p2-semantics.html
- Timestamp:
- 14/09/13 20:24:52 (9 years ago)
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draft-ietf-httpbis/latest/p2-semantics.html
r2395 r2396 2125 2125 is a privacy concern if the referring resource's identifier reveals personal information (such as an account name) or a resource 2126 2126 that is supposed to be confidential (such as behind a firewall or internal to a secured service). Most general-purpose user 2127 agents do not send the Referer header field when the referring resource is a local "file" or "data" URI. A user agent <em class="bcp14"> SHOULDNOT</em> send a <a href="#header.referer" class="smpl">Referer</a> header field in an unsecured HTTP request if the referring page was received with a secure protocol. See <a href="#sensitive.information.in.uris" title="Sensitive Information in URIs">Section 9.3</a> for additional security considerations.2127 agents do not send the Referer header field when the referring resource is a local "file" or "data" URI. A user agent <em class="bcp14">MUST NOT</em> send a <a href="#header.referer" class="smpl">Referer</a> header field in an unsecured HTTP request if the referring page was received with a secure protocol. See <a href="#sensitive.information.in.uris" title="Sensitive Information in URIs">Section 9.3</a> for additional security considerations. 2128 2128 </p> 2129 2129 <p id="rfc.section.5.5.2.p.8">Some intermediaries have been known to indiscriminately remove Referer header fields from outgoing requests. This has the … … 2960 2960 </pre><p id="rfc.section.7.1.1.1.p.13">HTTP-date is case sensitive. A sender <em class="bcp14">MUST NOT</em> generate additional whitespace in an HTTP-date beyond that specifically included as SP in the grammar. The semantics of <a href="#preferred.date.format" class="smpl">day-name</a>, <a href="#preferred.date.format" class="smpl">day</a>, <a href="#preferred.date.format" class="smpl">month</a>, <a href="#preferred.date.format" class="smpl">year</a>, and <a href="#preferred.date.format" class="smpl">time-of-day</a> are the same as those defined for the Internet Message Format constructs with the corresponding name (<a href="#RFC5322" id="rfc.xref.RFC5322.5"><cite title="Internet Message Format">[RFC5322]</cite></a>, <a href="http://tools.ietf.org/html/rfc5322#section-3.3">Section 3.3</a>). 2961 2961 </p> 2962 <p id="rfc.section.7.1.1.1.p.14">Recipients of a timestamp value in rfc850-date format, which uses a two-digit year, <em class="bcp14"> SHOULD</em> interpret a timestamp that appears to be more than 50 years in the future as representing the most recent year in the past2962 <p id="rfc.section.7.1.1.1.p.14">Recipients of a timestamp value in rfc850-date format, which uses a two-digit year, <em class="bcp14">MUST</em> interpret a timestamp that appears to be more than 50 years in the future as representing the most recent year in the past 2963 2963 that had the same last two digits. 2964 2964 </p> … … 3004 3004 <p id="rfc.section.7.1.2.p.4">For <a href="#status.201" class="smpl">201 (Created)</a> responses, the Location value refers to the primary resource created by the request. For <a href="#status.3xx" class="smpl">3xx (Redirection)</a> responses, the Location value refers to the preferred target resource for automatically redirecting the request. 3005 3005 </p> 3006 <p id="rfc.section.7.1.2.p.5">When Location is provided in a <a href="#status.3xx" class="smpl">3xx (Redirection)</a> response and the URI reference that the user agent used to generate the request target contains a fragment identifier, the 3007 user agent <em class="bcp14">SHOULD</em> process the redirection as if the Location field value inherits the original fragment. In other words, if the Location does 3008 not have a fragment component, the user agent <em class="bcp14">SHOULD</em> interpret the Location reference as if it had the original reference's fragment. 3006 <p id="rfc.section.7.1.2.p.5">If the Location value provided in a <a href="#status.3xx" class="smpl">3xx (Redirection)</a> does not have a fragment component, a user agent <em class="bcp14">MUST</em> process the redirection as if the value inherits the fragment component of the URI reference used to generate the request 3007 target (i.e., the redirection inherits the original reference's fragment, if any). 3009 3008 </p> 3010 3009 <div id="rfc.figure.u.53"></div>
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