bridge_i2p

#!/bin/bash

set -e

LAN="wlan0"
WAN="wlan1"

SSID=$1
KEY=$2

echo "Bridging interfaces for I2P..";

sudo iptables -F
sudo iptables -t nat -F
sudo iptables -Z

# Have SSH traffic bypass to the host
sudo iptables -t nat -A PREROUTING -i $LAN -p tcp --dport 22 -j REDIRECT --to-ports 22

# Have DNS bypass to the host
sudo iptables -t nat -A PREROUTING -i $LAN -p udp --dport 53 -j REDIRECT --to-ports 53

# Bypass I2P (invsible net) monitoring port
sudo iptables -t nat -A PREROUTING -i $LAN -p tcp --dport 7070 -j REDIRECT --to-ports 7070

# Send the rest of the traffic to I2P 
sudo iptables -t nat -A PREROUTING -i $LAN -p tcp --syn -j REDIRECT --to-ports 4444