http://danbal6a2lkho4arcx2dpa6ykg6fyvukeoqowjlgs3uzmt6wrz4s54id.onion/references/strongswan/trick77.com/strongswan-5-vpn-ubuntu-14-04-lts-psk-xauth/index.html
/bin/sh
# Flush old rules, old custom tables
/sbin/iptables --flush
/sbin/iptables --flush -t nat
/sbin/iptables --delete-chain
# Set default policies for all three default chains
/sbin/iptables -P INPUT DROP
/sbin/iptables -P FORWARD DROP
/sbin/iptables -P OUTPUT ACCEPT
# Enable free use of loopback interfaces
/sbin/iptables -A INPUT -i lo -j ACCEPT
/sbin/iptables -A OUTPUT -o lo -j ACCEPT
# Allow VPN forwarding
/sbin/iptables -A FORWARD -i tun+ -j ACCEPT
/sbin/iptables -A FORWARD -o tun+ -j...