Along the same lines, I remember coming across a lot of bad information when learning about Docker & iptables. For example, this article about using fail2ban &

Along the same lines, I remember coming across a lot of bad information when learning about Docker & iptables. For example, this article about using fail2ban & docker will leave your system unprotected: https://chlee.co/how-to-secure-and-protect-nginx-on-linux-with-fail2ban/ https://chlee.co/how-to-secure-and-protect-nginx-on-linux-wi... You have to tell fail2ban to use the DOCKER-USER chain when adding rules, otherwise none of the rules it adds do anything for docker.