SSL monitor cPanel DNS only server with Nagios

I have installed a certificate for the cPanel DNS Only webinterface (WHM). And I have a Nagios server which I want to use to monitor the certificate so I get alerted when it's about to expire. That is no problem for a normal cPanel server but it doesn't seem to work on a DNS only server. This is my command:


define command {
  command_name  check_ssl_expiry
  command_line  $USER1$/check_http -H $ARG1$ -S --sni -f follow -C 14,7 -p $ARG2$
}

And this is my service definition:

define service{
  use  generic-service-daily
  host_name  ns1.example.net
  service_description  Certificate ns1.example.net
  check_command  check_ssl_expiry!ns1.example.net!443
}

The server doesn't seem to respond at port 443, anyone got a suggestion on how to solve this?

anton_latvia

October 27, 2015 09:17

WHM does not listen on port 443. What if you try port 2087 instead?

Erik Ellsinger

October 27, 2015 09:23

Tried port 2087 instead now but that doesn't work either. All I get is a socket timeout message in Nagios.

October 27, 2015 09:38

Did you try running it from nagios server's console? I might still have old plugins, so some parameters wont work, but this line works fine /usr/local/nagios/libexec/check_http -H web1.cpanel.guru -S -f follow -C 7 -p 2087

May firewall on dns-admin does not let you connect?

October 27, 2015 18:27

Oh yeah, stupid me. Forgot to open port 2087 on my Nagios server, everything works now!

cPanelMichael

October 30, 2015 18:29

Hello :) I am happy to see the issue is now resolved. Thank you for updating us with the outcome.

SSL monitor cPanel DNS only server with Nagios

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