The problem is possibly created when you rename your network connection using the popup menu of the icon in the top right. In order to fix it I had to to erase my connection and and reset the firewall. Now it works fine. If the administrator decides that this thread should be deleted, it's ok.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775516 Title: firewall blocks services like https and ipp protocol while rules have been defined -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs