iptables/vpn drop/safe ip

#!/bin/sh
#
# iptables example
#
# Protect your real IP from leaking in the case of a VPN drop
#
# [This is for Linux client only (not server)]
#

# Flush all current rules from iptables
#
iptables -F
iptables -t nat -F
iptables -t mangle -F

# Always accept local-host traffic
#
iptables -A INPUT -i lo -j ACCEPT

# Enable existing connections
#
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

#All other traffic is dropped unless its 'to' or 'from' the VPN server
#
iptables -A INPUT -s <SERVER-ADDRESS> -j ACCEPT
iptables -A INPUT -j DROP
iptables -A OUTPUT -d <SERVER-ADDRESS> -j ACCEPT
iptables -A OUTPUT -j DROP