Thanks for your bugreport. I looked at the code and it seems like it should handle the "@" correctly. Could you please run "sudo apt-get update -o Debug::acquire::http=true" and attach the output? Please edit it before as it will contain the proxy password in plain text.
** Changed in: apt (Ubuntu) Status: New => Incomplete -- Use a authenticated proxy with a "@" into the username causes a 407 error code https://bugs.launchpad.net/bugs/628067 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs