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zprd

USAGE

ZPRD is a simple, unencrypted IPv4 tunnel tool, which is a server and can be a client.

The ZPRD was created to tunnel through complex routing setups with firewalls, NATs and VPNs.

NOTES

  • The ZPRD establishes peer connections at startup.

  • The ZPRD manages incomming connections.

  • The ZPRD doesn't encrypt any data, as it is designed to have very less overhead. It is intended to be used in combination with VPN software.

  • The ZPRD ONLY tunnels IPv4 (and IPv6 experimental) packets over UDP and IPv4/IPv6.

    • protocol stacking: ethernet > ipv4/6 > udp > ipv4 > payload

Manual Setup

  • compile zprd / installation
  mkdir -p build && cd build
  cmake .. && make -j3 && make install
  • setup /etc/zprd.conf (content; initial)

Itun3

  • setup interface (this is usually done by the daemontools)

ip tuntap add mode tun user ... tun3

  • start zprd (this is usually done by the daemontools)

./zprd

Setup using daemontools on Gentoo

  • fetch the portage overlay
  cd /usr
  git clone https://github.com/zserik/portage-zscheile

  • emerge the package with: emerge -av =net-misc/zprd-9999

  • setup /etc/zprd.conf (content; initial)

  Itun3
  A192.168.0.1/24

  • enable the service with: ln -s -t /service /etc/zprd

  • enable svscan with: rc-update add svscan

  • start svscan with: /etc/init.d/svscan restart