this product includes copyrighted third-party software licensed under the terms of the gnu general public license.

    please see the gnu general public license for the exact terms and conditions of this license.

    specially, the following parts of this product are subject to the gnu gpl:

    1 the linux operating system kernel

    2 the iptables packet filter and nat software

    3 the busybox swiss army knife of embedded linux

    4 the zebra routing daemon implementation

    5 the udhcpd dhcp client/server implementation

    6 the pptp-linux pptp client implementation

    7 the rp-pppoe pppoe client implementation

    8 the pppd ppp daemon implementation

    9 the dproxy dns proxy implementation

    10 the bridge-utils package

    all listed software packages are copyright by their respective authors.

    please see the source code for detailed information.