This debdiff contains Mark Howard's patch stripping the protocol/host:port to work with Ubuntu's apt, which sends full URL HTTP requests.
** Changed in: apt-proxy (Ubuntu) Importance: Critical => High Status: Confirmed => In Progress -- Incompatible with full URL HTTP requests from recent apt versions https://launchpad.net/bugs/46776 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs