On Mon, Mar 06, 2017 at 06:00:30PM +0000, ng0 wrote: > from my experience they are not needed for a relay. Okay, they would be > useful to increase security and to see how how Chinese government > officials and their automated services want to get into your server, but > it's not really necessary for the relay.
Slight nitpick: In my experience with iptables, it's not just Chinese officials that want to break in to my servers, but rather a dazzling multitude of people from all over the world ;)