fk is an application proxy suite designed for building IP gateways. Ultimately, the intent is to provide a free software replacement for the TIS firewall toolkit.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Un acceso flexible nueva instalación de control, soporte para el sistema de detección de intrusos IDSA, el apoyo Acceso FTP para subir, y una limpieza del código han sido incluidos.
A new flexible access-control facility, support for the IDSA intrusion detection system, ftp gateway support for upload, and a code cleanup have been included.