It's Docker. Docker sets net.ipv4.conf.default.forwarding=1 when it starts the first time, then creates docker0. If you restart docker, it doesn't set this default.
That warrants another bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1676540 Title: Enable secure networking defaults in sysctl.conf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1676540/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
