- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Wed, 07 Sep 2011 21:58:36 +0200
- To: Jan Algermissen <jan.algermissen@nordsc.com>
- CC: HTTP Working Group <ietf-http-wg@w3.org>
On 2011-09-07 21:38, Jan Algermissen wrote: > Dear WG, > > I have a question on the Expect header section 9.2 in HTTPbis 16[1] > > Is my understanding correct: > > 1. A proxy that finds an expectation extension in the Expect header that it does understand but cannot meet must respond 417 > 2. A proxy that finds an expectation extension in the Expect header that it does not understand ignores the extension > > > Jan > > [1] http://www.ietf.org/id/draft-ietf-httpbis-p2-semantics-16.txt "The Expect mechanism is hop-by-hop: that is, an HTTP/1.1 proxy MUST return a 417 (Expectation Failed) status code if it receives a request with an expectation that it cannot meet." I think that implies 417 for unknown extensions; how would the proxy "meet" the expectation when it doesn't know what it is? Best regards, Julian
Received on Wednesday, 7 September 2011 19:59:17 UTC