NRPE has just been updated to include a new patch for ACL support. Thanks to the folks at Kaspersky Labs for this awesome patch! You can download NRPE 2.13 directly from SourceForge.
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