Connection reset when accessing HTTPS through proxy
Since upgrading to firefox 27 when trying to access https://www.birtles.org.uk I receive a connection reset or connection interrupted error. I am connecting through a proxy. Firefox 26 works correctly. I have tried on 3 different machines 2 windows and one Mac with the same results.
Chosen solution
This may have been an issue with my employers proxy server, seems to be working correctly now
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setting security.tls.version.max to 1 or 2 fixes the problem. The server supports TLS 1.2. Monitoring the connection in wireshark firefox sends the client hello message and the server immediately closes the connection
Same issue and resolution for me when I try to access https://mail.ntlworld.com. I'm also connecting through a proxy, have tried both of them available to me. It works fine using other browsers, just firefox causing issues.
Also on an unrelated note, https://support.mozilla.org/en-US/users/register keeps redirecting to the login page. Tried on multiple browsers, in the end had to use mobile to create an account.
Modified by rtyall
Chosen Solution
This may have been an issue with my employers proxy server, seems to be working correctly now