- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Wed, 29 Jan 2025 17:05:14 +0100
- To: ietf-http-wg@w3.org
Am 27.01.2025 um 22:47 schrieb Mike Kistler: > Is there a required or recommended response that a server should give if > it receives a request with a conditional header (If-Match, If-No-Match, > If-Modified, If-Unmodified) that it does not support? > > I've read the descriptions for the required processing of these headers > in RFC 9110 and it seems clear that servers are obligated to support > them -- but in my experience many do not. So in the case that server > does not support conditional requests, it seems like it should respond > with an error if it receives a request with a conditional header. Should > the response be a 501 (Not Implemented)? Could it be a 400 (Bad > Request)? Something else? I looked for guidance on this in RFC 9110 but > could not find it, so apologies if I just overlooked it. It needs to be a 5xx - because it's a server problem. 501 sounds reasonable to me. Best regardsm Julian
Received on Wednesday, 29 January 2025 16:05:19 UTC