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CHECK_NRPE: Error - Could not complete SSL handshake.
Hello
I'm pretty new at Nagios and I'm having a problem when installing the NRPE plugin in Centos.
I have a monitoring server (its hostname is wizzo-int-monitoring0) where I have installed:
- Nagios-4.0.7 <--- it works fine, as I am seeing the remote host
- Nagios-plugins-2.0.3
- NRPE-2.15
In the remote server (its hostname is wizzo-int-read3), I have installed:
- sudo yum -y install openssl-devel gcc xinetd make
- Nagios-plugins-2.0.3
- NRPE-2.15
Moreover, in the remote server, I have made some changes in the following files:
- In /etc/xinetd.d/nrpe I have added only_from = 127.0.0.1 wizzo-int-monitoring0
- In /etc/services I have added the line: nrpe 5666/tcp # NRPE
- In /etc/hosts.allow I have added the line: nrpe: 127.0.0.1 wizzo-int-monitoring0
I have also modified the iptables:
- sudo iptables -A INPUT -p tcp -m tcp --dport 5666 -j ACCEPT
- sudo service iptables save
In the remote server, If i type /usr/local/nagios/libexec/check_nrpe -H localhost
I get NRPE v2.15 <---- what it's correct
But If I type in the monitoring server /usr/local/nagios/libexec/check_nrpe -H wizzo-int-read3
I get CHECK_NRPE: Error - Could not complete SSL handshake.
If I modify the etc/xinetd.d/nrpe and change wizzo-int-monitoring0 by its IP address, it works. But I need to use the hostname, as it can change.
What am i doing wrong?
What do i have to do to be able to use hostnames in the /etc/xinetd.d/nrpe file?
I am getting crazy and I dont know what else to do.
Thanks a lot in advance
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