Try visiting about:config and temporarily toggle security.ssl3.dhe_rsa_aes_128_sha and security.ssl3.dhe_rsa_aes_256_sha to false-- that got me to a portal that was causing the same issue. Then after you get online you can set them back to true.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1485020 Title: firefox 40 shows a non-overrideable security error when talking to a captive portal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1485020/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
