I get the following messages on my nagios client when I run the check_nrpe command from the nagios server. Nagios Client Log Messages: 17:50:45 vhost6 xinetd[16884]: START: nrpe pid=16889 from=<a href="http://128.121.34.19">128.121.34.19</a> Nov 1 17:50:45 vhost6 xinetd[16889]: warning: cannot open /etc/hosts.allow: Permission denied Nov 1 21:50:45 vhost6 xinetd[16889]: warning: cannot open /etc/hosts.deny: Permission denied Nov 1 21:50:45 vhost6 xinetd[16889]: libwrap refused connection to nrpe (libwrap=nrpe) from <a href="http://128.121.34.19">128.121.34.19</a> Nov 1 21:50:45 vhost6 xinetd[16889]: FAIL: nrpe libwrap from=<a href="http://128.121.34.19">128.121.34.19</a> Nov 1 17:50:45 vhost6 xinetd[16884]: EXIT: nrpe status=0 pid=16889 duration=0(sec) This is the output of my netstat on the same Nagios client: netstat -at | grep nrpe tcp 0 0 *:nrpe *:* LISTEN These are the permission for the hosts files: -rw-r--r-- 1 root root 161 Jan 12 2000 /etc/hosts.allow -rw-r--r-- 1 root root 347 Jan 12 2000 /etc/hosts.deny Any inputs?