InjectedPie/tf2-srcds-hardening-iptables-docker
Smallish script to prevent smallish A2S attacks with source engine servers. Supports servers running on docker (using the DOCKER-USER chain) and on bare metal/tmux/etc (using the INPUT chain). Vaguely adapted from https://forums.alliedmods.net/showthread.php?t=151551.
ShellGPL-3.0