Re: If Header interaction with If-Match, etc
Julian Reschke <[email protected]> Fri, 11 Nov 2011 08:35:16 +0100
| Newsgroups | gmane.ietf.webdav |
|---|---|
| Message-ID | <[email protected]> |
On 2011-11-11 00:58, Ken Murchison wrote: > What, if any, interaction does the If header have with the other > conditional headers? HTTPbis part 4 > (http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional) > specifically states which headers can't/shouldn't be used together. > > I assume that If-Match and If-None-Match shouldn't be used with If, but > what about If-[un]modified-Since and If? Should an implementation just > look for and use If when specified and ignore all other conditionals? I would think the safest thing to do is to evaluate "If" in addition to whatever else gets evaluated; but I have to confess I haven't thought through all consequences. Maybe we need to look at a few tricky examples? Best regards, Julian