This is the Debian GNU/Linux packaged version of apt-proxy

Version 2 was written by Manuel Estrada Sainz.  The original version was by
Rusty Russel.  The package is maintained by Chris Halls

The project homepage is at
  http://sourceforge.net/projects/apt-proxy

This software is released under the terms of the GNU General Public License.

On Debian systems, the complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL.