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--- linux:centos:nagios [02.08.2016 17:38]
vm
+++ linux:centos:nagios [02.08.2016 17:45]
vm
@@ Řádek 30: / Řádek 30: @@
 ==== Problems ====
+=== CHECK_NRPE: Error - Could not complete SSL handshake. ===
+If you are recieving error like
+  CHECK_NRPE: Error - Could not complete SSL handshake.
+there are multiple reasons that can cause this error as this message is kind of generic error.
+Typical problems:
+  * Server from you are accessing NRPE is not listed in ''allowed_hosts'' directive on NRPE server.
+One of the tricky reasons that can cause this error is ''/etc/hosts.allow'' file. Even if you add server's IP in allowed_hosts, server cannot connect because this IP also needs to be listed in ''/etc/hosts.allow'' file by adding line:
+  nrpe: 10.10.10.10   monitoring-server.my-company.com
+There is no need to restart nrpe server.
+This is required as NRPE server on centos is compiled using ''tcp_wrappers'' library which parses this file.
 === Nagios check_disk failure in RHEL / CentOS 6.2 ===