But, as I understand internet domains, it will try to look up "cacher.foo.org.security.ubuntu.com", in one go. That doesn't exist.
Surely you need a "/", or a ":nnn/" after "cacher.foo.org"? See for example: http://www.debuntu.org/how-to-set-up-a-repository- cache-with-apt-cacher -- Apt cacher can't find security.ubuntu.com https://bugs.launchpad.net/bugs/236915 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