firewall

public text v1 · immutable

#74574

·published 2006-06-29 06:05 UTC

#!/bin/sh
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -p tcp -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --sport 53 -j ACCEPT
iptables -A INPUT -p udp --sport 53 -j ACCEPT
iptables -A INPUT -p tcp --dport netbios-ssn -j LOG --log-prefix warn
iptables -A INPUT -p udp --dport netbios-ssn -j LOG --log-prefix warn
iptables -A INPUT -p tcp --dport netbios-ns  -j LOG --log-prefix warn
iptables -A INPUT -p udp --dport netbios-ns  -j LOG --log-prefix warn
iptables -A INPUT -j DROP