Score:0

port 5666: Connection refused. In nagios Core

np flag

I have a Nagios core installed and running, and I was trying to setup a Nagios remote host in ubuntu server 22 LTS version. I have done all the for setting up remote host, the same is showing in the Nagios browser also but an error is showing like the connection to the port 5666 is refused. As per the tutorials I have changed the settings in /etc/nagios/nrpe.cfg

server_address= my_nagios_server_ip4address
allowed_hosts=127.0.0.1, my_nagios_server_ip4address
# COMMAND ARGUMENT PROCESSING
dont_blame_nrpe=0
/dev/sda2

restarted nrpe service after that $service nagios-nrpe-server restart

I have tried adding Firewall rules

To Action From 
-- ------ ---- 
443 ALLOW Anywhere 
80/tcp ALLOW Anywhere 
22/tcp ALLOW Anywhere 
5666 ALLOW Anywhere 
5666/tcp ALLOW Anywhere 
443 (v6) ALLOW Anywhere (v6) 
80/tcp (v6) ALLOW Anywhere (v6) 
22/tcp (v6) ALLOW Anywhere (v6) 
5666 (v6) ALLOW Anywhere (v6) 
5666/tcp (v6) ALLOW Anywhere (v6) 
Nidal K I avatar
np flag
I have tried adding Firewall rules To Action From -- ------ ---- 443 ALLOW Anywhere 80/tcp ALLOW Anywhere 22/tcp ALLOW Anywhere 5666 ALLOW Anywhere 5666/tcp ALLOW Anywhere 443 (v6) ALLOW Anywhere (v6) 80/tcp (v6) ALLOW Anywhere (v6) 22/tcp (v6) ALLOW Anywhere (v6) 5666 (v6) ALLOW Anywhere (v6) 5666/tcp (v6) ALLOW Anywhere (v6)
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