Ron Henderson, one of the NST (Network Security Toolkit) team developers, has informed me that Nagios has been integrated into the latest version of NST v1.4.2. For more information visit http://networksecuritytoolkit.org/.
Nagios Update: XI 5.6.6
Nagios XI update 5.6.6 is now released! This update resolves a number of minor bugs and one security vulnerability fix. This version also includes improvements