Tim, where did you installed this nrpe package? is selinux running enforcing mode (getenforce command), try disabling with setenforce 0. why you are running it under xinetd as usual way is to run it as nrped daemon. test against with check_nrpe, not using telnet. -- Eero 2015-05-04 2:27 GMT+03:00 Stephen Harris <lists at spuddy.org>: > On Sun, May 03, 2015 at 07:23:19PM -0400, Tim Dunphy wrote: > > [root at puppet:~] #telnet localhost 5666 > > This is using TCP > > > [root at monitor1:~] #nmap -p 5666 puppet.mydomain.com > ... > > 5666/tcp filtered nrpe > > This is using TCP > > > Back on the puppet host I verify that the port is open for UDP: > > So why are you opening a UDP port? > > -- > > rgds > Stephen > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >