What port does NSClient use?

What port does NSClient use?

12489
The default port for NSClient++ is 12489.

What port is Nrpe?

port 5666
By default, the NRPE daemon listens on TCP port 5666, whether it’s configured to do SSL or not.

Which port does Nagios GUI work on?

SSH, port 22 Nagios is built to run natively on supported Linux distributions.

What is default port numbers used by Nagios?

9. Nagios Ports

Service Servers Default Ports Used
Nagios Server Nagios server host 80
[a] See Optional: Set Up HTTPS for Nagios for instructions on enabling HTTPS.

How do I know if NSClient ++ is working?

The simplest way to execute checks with NSClient++ is through the built-in client also known as test mode. To start NSClient++ in test mode you need top open the NSClient++ test shell. Once you have started the shell it will tell you it is loading some modules and so on during startup and finish with: nscp test …

What is Nagios agent?

Nagios is an open source monitoring system for computer systems. Nagios software runs periodic checks on critical parameters of application, network and server resources. For example, Nagios can monitor memory usage, disk usage, microprocessor load, the number of currently running processes and log files.

What port is 5666?

Port 5666 Details

Port(s) Protocol Details
5666 tcp Nagios NRPE
5666 tcp Nagios Remote Plugin Executor, registered 2017-09-06
5666 udp Reserved
5500-5699 tcp MOHAA Reverend

What port does snmp use?

161
snmp-agent-port—The port the SNMP agent will listen on. The default SNMP port number is 161. snmp-agent-protocol—The protocol the SNMP agent will communicate with. The default protocol is UDP.

How do I change my Nagios port?

Configure alternative HTTP port

  1. firewall-cmd –zone=public –add-port=6080/tcp. firewall-cmd –zone=public –add-port=6080/tcp –permanent.
  2. netstat -nap | grep 6080. tcp6 0 0 :::6080 :::* LISTEN 17630/httpd.
  3. netstat -nap | grep 10443. tcp6 0 0 :::10443 :::* LISTEN 10827/httpd.

How do I change the default port for Nagios?

Is Nrpe secure?

1 Answer. check_nrpe is not secure, unless you configure and use certificates, if not you are using “Anonymous Diffie-Hellman” see OpenSSL wiki for an explanation.

Why is Nagios not connecting to Port 12489?

The default port used by check_nt and NSClient is port 12489. The connection problem usually occurs due to different reasons like, Windows not listening on the port 12489 or blocked by the firewall. Disabling NSClient server in the nsclient.ini file. Disabling essential NSClient modules. For instance, the error appears as follows.

Why does NSClient + + not listen to Port 12489?

The answer is most likely simple… Since you have not loaded any module NSClient++ does nothing (and listens to no ports as it should). 1: NSClientListener.dll, this one listens on port 12489 (configurable) and accepts incoming NSCLient requests.

Why is Port 12489 not working in Debian?

I’m learning a little bit of nagios and unix (buster), and im getting an error related with monitoring CPU LOAD and MEMORY USAGE So I went to the client machine and ran netstat -an, and the port doesnt seem to be listening. am im missing some configuration or plugin?

What are the ports 80 and 443 of Nagios?

Protocol http(s), ports 80 and 443 snmp, ports 161 and 162 ssh, port 22 The Nagios product interfaces are web-based. Additionally, many of the Nagios agents are able to use http to move data. SSL is not turned on out of the box. snmp is an integral part of network monitoring.