I've found another bug that is exactly as my issue, which is Bug 698302 (almost similar but different than this one), reported 3 years ago (!!!).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/207456 Title: refuses to connect to localhost http server when in offline mode To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/207456/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
