Fenrir routing service

Introduction

Fenrir provides a user friendly way to route all traffic from configured trough a VPN tunnel.

This is done via ARP Spoofing. Determined default GW on inputinterface is spoofed to configured device. Configuration is stored in /var/cache/fenrir/fenrir.db

Installation

Fenrir is a pure python3 application. (3.6+)

pip releases

> pip install fenrircore
> fenrir --help

Usage

Usage is documented in integrated help module.

> fenrir --help

examples

perform a scan on wlan0 and quit

fenrir --scanonly --inputinterface wlan0

intercept on wlan0 and use vpn config in tmp folder

fenrir --inputinterface wlan0 --vpnconfigfile /tmp/vpn.config --vpnauthfile /tmp/vpnauth.config

intercept on wlan0 and use vpn config in tmp folder where config is encrypted with default password

default password is hashed MAC of inputinterface for encrypted config when no password is given

fenrir --inputinterface wlan0 --vpnconfigfile /tmp/vpn.config --vpnauthfile /tmp/vpnauth.config --vpnconfigisencrypted

intercept on wlan0 and use vpn config in tmp folder where config is encrypted with given password

fenrir --inputinterface wlan0 --vpnconfigfile /tmp/vpn.config --vpnauthfile /tmp/vpnauth.config --vpnconfigisencrypted --vpnconfigpassword thepassword