Aha, this all makes sense. I can work around it, but you're right, it's horribly confusing for new users.
What would be best IMHO, is if the suite of apt frontends (synaptic, update-manager, etc) handled the "407 Proxy auth required" response gracefully and prompted for credentials. -- Synaptic doesn't play nicely with proxy-auth https://launchpad.net/bugs/56293 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
