816836 - Web Proxy Auto-Discovery Protocol (WPAD) Wont take advantage of Cache-Control of files.

Status: UNCONFIRMED

(Core :: General, defect)

Description

[Elico]

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:13.0) Gecko/20100101 Firefox/13.0
Build ID: 20120601045813

Steps to reproduce:

Setup Cache-Control headers in the web server hosting the wpad.pad\proxy.pac.
The server has a built in script to provide the clients auto proxy settings by proxies status and client user and other data from Radius server.


Actual results:

Firefox and Thunderbird will not re-fetch the wpad file in the end of it's life time.
It will continue using the old and stale file with wrong and old settings.


Expected results:

Firefox or any other software should re-fetch the wpad file by the instructions of the cache-control headers "max-age=7200, must-revalidate"  to make sure it has the up-to-date file.