Teamspeak Iptables example

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Secure Iptables

iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT

Teamspeak

iptables -I INPUT -p udp --dport 9987 -j ACCEPT
iptables -I INPUT -p udp --sport 9987 -j ACCEPT
iptables -I INPUT -p tcp --dport 30033 -j ACCEPT
iptables -I INPUT -p tcp --sport 30033 -j ACCEPT
iptables -I INPUT -p tcp --dport 10011 -j ACCEPT
iptables -I INPUT -p tcp --sport 10011 -j ACCEPT

HTTP(s)

iptables -I INPUT -p tcp --dport 80 -j ACCEPT
iptables -I INPUT -p tcp --sport 80 -j ACCEPT
iptables -I INPUT -p tcp --dport 443 -j ACCEPT
iptables -I INPUT -p tcp --sport 443 -j ACCEPT

SSH

iptables -I INPUT -p tcp --dport 22 -j ACCEPT
iptables -I INPUT -p tcp --sport 22 -j ACCEPT

DNS

iptables -I INPUT -p udp --dport 53 -j ACCEPT
iptables -I INPUT -p udp --sport 53 -j ACCEPT


Category:Linux