siotp/sio1/ferm/tppf/fw3.sh
raphanaud 4de0324acf ferm
2021-05-28 10:46:21 +02:00

21 lines
566 B
Bash
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#!/bin/bash
sysctl -w net.ipv4.ip_forward=1
iptables -F -t filter
iptables -F nat
iptables -P INPUT DROP
iptables -P OUTPUT DROP
iptables -P FORWARD DROP
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --sport 80 -j ACCEPT
iptables -A OUTPUT -p udp --dport 53 -j ACCEPT
iptables -A INPUT -p udp --sport 53 -j ACCEPT
iptables -A OUTPUT -p tcp -d 10.121.38.1 --dport 8080 -j ACCEPT
iptables -A INPUT -p tcp -d 10.121.38.1 --sport 8080 -j ACCEPT