west-chamber-source binary package in Ubuntu Precise amd64

 West-chamber is an iptable extension named after the famous Chinese ancient
 fiction - Romance of the West Chamber. It is based on the idea of
 T. Ptacek's paper in 1998 which allows users go through some
 content-filtered firewall without 3rd-party proxies.
 .
 This package provides the source code for the west-chamber kernel modules.
 The west-chamber-common package is also required in order to make use of these
 modules. Kernel source or headers are required to compile these modules.

Source package