Thanks for preparing this fix. I can confirm that the version of apt- cacher-ng in trusty-proposed (0.7.26-1ubuntu0.1) permits the downloading and caching of the appstream files. I'm also able to install and update packages as before. Marking verificaition-done for trusty.
** Tags added: verification-done-trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1547431 Title: Does not allow appstream files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-cacher-ng/+bug/1547431/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs