pbot/applets/pbot-vm/guest/bin/disable-network-iptables

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#!/bin/sh
# disables all incoming, outgoing and forwarded traffic except incoming/established SSH
iptables -F
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -P OUTPUT DROP