irksome-turtle

Personal used encrypted IPv4 in IPv4 tunnel.

The encryption code(encyrpt.c) will not be included due to security concern.

Usage:

    Local:
        sudo ./irksome -s <local_ip> -d <remote_ip>
        sudo ./tun_setup.sh

    Remote:
        sudo ./irksome -s <local_ip> -d <remote_ip>
        sudo ./tun_setup_peer.sh

Documents referred:

• TUN based: http://backreference.org/2010/03/26/tuntap-interface-tutorial/
• IP based, try to use one of these IP protocol ID: http://www.iana.org/assignments/protocol-numbers/protocol-numbers.txt