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why is it I’m getting this using NRPE 2.15? # /usr/local/nagios/libexec/check_nrpe -H localhost CHECK_NRPE: Error – Could not complete SSL handshake.
but, when I try #/usr/local/nagios/libexec/check_nrpe -H 127.0.0.1 NRPE v2.15
Solution – you need to add your server IP to the allowed_hosts parameter under nrpe.cfg file on the host being monitored.
allowed_hosts=127.0.0.1,