Created attachment 8738475 [details] Firefox Screenshot on 2016-04-06.jpg User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0 Build ID: 20160315153207 Steps to reproduce: Install Firefox v45 on Ubuntu 14.04.4LTS configure it to work behind proxy Actual results: We are using Firefox v45 on Ubuntu 14.04.4LTS behind Cisco Web proxy. Proxy supports Basic/NTLM authentication and it is integrated with Active Directory. Firefox popups for username and password for proxy every second. It seems it does not pass through the authentication. However Firefox v11 works fine in the same environment. Expected results: Firefox v45 should accept the proxy password and should not keep asking again and again.
Could you please provide NSPR log? https://developer.mozilla.org/en-US/docs/Mozilla/Debugging/HTTP_logging
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → INCOMPLETE
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