1197790 - "Expires" header is ignored, no caching occurs

Status: RESOLVED WORKSFORME

(Core :: Networking: HTTP, defect)

Description

[Onotole]

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0
Build ID: 20150812163655

Steps to reproduce:

Server send following exact response to the some GET request:

HTTP/1.1 200 OK
Connection: keep-alive
Expires: Mon, 06 Jan 2020 05:00:00 GMT
Content-Length: some data size




Actual results:

Firefox 40 use no caching and requests this data each time from the server.


Expected results:

It must always return cached data. Firefox 39 do this correctly.

Comment 1

[Onotole]

Find an online cache test, that fails on FF40 but behave correctly on Opera and IE11
http://refreshyourcache.com/en/cache-test/

Comment 2

[Patrick McManus [:mcmanus]]

honza?

Comment 3

[Honza Bambas (:mayhemer)]

I don't understand how the test referred in comment 1 works.  Can you please tell me how the test is expected to behave and how do I recognize it doesn't behave correctly?

Comment 4

[Patrick McManus [:mcmanus]]

the test looks fine to me.. if test.php is loaded twice it comes from the cache if you hit reload then you get a 304 with a cache-control no-cache on it which impacts things down stream..