docker-teamspeak/firewall.sh at master · mcgege/docker-teamspeak · GitHub

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#!/bin/sh
# Firewall rules for Teamspeak Docker Container

# Default Policy: Accept
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P OUTPUT ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -t mangle -P PREROUTING ACCEPT
iptables -t mangle -P INPUT ACCEPT
iptables -t mangle -P FORWARD ACCEPT
iptables -t mangle -P OUTPUT ACCEPT
iptables -t mangle -P POSTROUTING ACCEPT

# Delete all
iptables -F
iptables -t nat -F
iptables -t mangle -F
iptables -X
iptables -t nat -X
iptables -t mangle -X
iptables -Z
iptables -t nat -Z
iptables -t mangle -Z


# Outgoing: only to local network
iptables -A OUTPUT -d 127.0.0.0/8 -j ACCEPT
iptables -A OUTPUT -d 10.0.0.0/8 -j ACCEPT
iptables -A OUTPUT -j DROP