Chris Buechler has announced the release of pfSense 2.0.1, an updated version of the project's FreeBSD-based operating system for firewalls: "The pfSense 2.0.1 release is now available. This is a maintenance release with some bug and security fixes since the 2.0 release. This is the recommended release for all installations. As always, you can upgrade from any previous release to 2.0.1, so if you haven't upgraded to 2.0 yet, just upgrade straight to 2.0.1. For those who use the built-in certificate manager, pay close attention to the notes below on a potential security issue with those certificates. The following changes were made since 2.0 release: improved accuracy of automated state killing in various cases; various fixes and improvements to relayd.