On my 14.04 LTS system the workaround was to add 'dns_v4_first on' to /etc/maas/maas-proxy.conf
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to squid in Ubuntu. https://bugs.launchpad.net/bugs/1547640 Title: proxy tries ipv6 and gets 503 when no ipv6 routes To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1547640/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs