Closed
Bug 841738
Opened 11 years ago
Closed 8 years ago
Cache hit although no-cache
Categories
(Core :: Networking: Cache, defect)
Tracking
()
RESOLVED
INCOMPLETE
People
(Reporter: julien+mozilla, Unassigned, NeedInfo)
Details
(Whiteboard: [necko-backlog])
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:18.0) Gecko/20100101 Firefox/18.0 Build ID: 20130201065344 Steps to reproduce: My server is replying with HTTP/1.1, but I'm behind a SQUID that downgrade it to HTTP/1.0, so I added the HTTP/1.0 "Pragma: no-cache" just in case firefox ignores Cache-Control in HTTP/1.0 responses, Here is the header received according to about:cache HTTP/1.0 200 OK Date: Thu, 14 Feb 2013 13:16:40 GMT Server: Teddyd X-Broadcast: True Cache-Control: no-cache, no-store Pragma: no-cache Expires: Mon, 26 Jul 1997 05:00:00 GMT X-Id-69: 0 X-Id-46: -1 X-Cache: MISS from localhost X-Cache-Lookup: MISS from localhost:3128 Via: 1.0 localhost (squid/3.1.6) Actual results: Firefox cached the response, and used the cached response a lot ( 1205 times ) confirmed reading Firebug console (watching requests being made) and confirmed by strace and tcpdump (Not seeing requests being wrote on network) Firefox cached the response on disk before adding a no-store, and on memory after adding no-store, so Cache-Control are parsed by firefox in an HTTP/1.0, why not, it's cool for me as I'm replying in HTTP/1.1 and that's a proxy that downgraded the response to HTTP/1.0. Here is what about:cache states about the item (Replaced URL with example.com) : Cache entry information key: http://example.com/?69=1&46=0 fetch count: 1205 last fetched: 2013-02-14 14:23:59 last modified: 2013-02-14 14:16:40 expires: 1970-01-01 01:00:00 Data size: 2542 file on disk: none Security: This document does not have any security info associated with it. Expected results: Do not cache a response that explicitly ask for "no-cache" and explicitly mark the response as expired since some years.
Comment 1•8 years ago
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we have tests about this that are passing, so an HTTP log would be needed to make progress. I realized the ship may have sailed.. https://developer.mozilla.org/en-US/docs/Mozilla/Debugging/HTTP_logging
Updated•8 years ago
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Flags: needinfo?(mozilla)
Whiteboard: necko-backlog]
Updated•8 years ago
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Whiteboard: necko-backlog] → [necko-backlog]
Updated•8 years ago
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Status: UNCONFIRMED → RESOLVED
Closed: 8 years ago
Resolution: --- → INCOMPLETE
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Description
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