Thursday Jun 17 09:12:33 PM - The first version of the Port Knocking project has been released. portknocking_v1.0 is available for download from For more information on the concept of port knocking, see Martin Krzywinski's website For a more detailed description of this particular implementation of port knocking, see the undergrad thesis which this project is based on, as well as the associated PowerPoint presentation.

Version 1.0 has been designed and tested for FreeBSD and the ipfilter firewall package, but OS and firewall portability are planned for the near future. portknocking_v1.0 requires OpenSSL and libslack in order to build.

Thursday Jun 17 12:59:09 AM - The official website for the Port Knocking project at is now online. The site is still a bit rough around the edges, but shouldn't be for long. Stay tuned for updates, as version 1.0 will be released soon.