up.sh

	#! /bin/bash
	# This script enables policy routing after the tunnel interface is brought up
	# Policy routing is used to make sure response packets go through the tunnel interface
	# This is mandatory when your ISP has setup anti-spoofing filters

	# Add a default route via tun0 into the VPN routing table
	ip route add default dev $1 table VPN

	# Pass traffic from lo:1 (192.168.10.1) to the VPN routing table, using policy routing ("ip rule" commands)
	ip rule add from 192.168.10.1/32 table VPN

	# Pass traffic from tur0 IP address to the VPN routing table
	ip rule add from $4/32 table VPN

	#sed -i 's/\(\"bind-address-ipv4\":\).*/\1\ \"'"$4"'\",/' /etc/transmission-daemon/settings.json

	#On ajoute les règles iptables pour faire le NAT

	 # Source NAT and destination NAT rules to make sure the incoming and ougoing packets on 192.168.10.1 are $
	 iptables -A PREROUTING -t nat -i $1 -p tcp --dport 443 -j DNAT --to 192.168.10.1
	 iptables -A PREROUTING -t nat -i $1 -p udp --dport 443 -j DNAT --to 192.168.10.1
	 iptables -A POSTROUTING -t nat -o $1 -j MASQUERADE
	 # Allow session continuation traffic
	 iptables -A INPUT -i $1 -m state --state RELATED,ESTABLISHED -j ACCEPT
	 # Allow Bittorrent traffic via tun0
	 iptables -A SERVICES -p tcp --dport 51413 -j ACCEPT # rTorrent random range
	 iptables -A SERVICES -p udp --dport 51413 -j ACCEPT # DHT

	 # Disallow BitTorrent traffic via eth0 - Just to be extra safe ;)
	 iptables -A FORWARD -s 192.168.10.1/32 -o eth0 -j DROP

	#Démarrage de transmission
	/etc/init.d/transmission-daemon restart

	#Démarrage du script vérifiant que le VPN est toujours actif
	killall checkVPN
	/usr/bin/checkVPN &