How to check SNMP port open?

If you hear about SNMP everywhere and wondering what’s SNMP and the port functions. Then you are in the right place. Here we bring to you a composite article comprising of SNMP port status in Windows and Linux. This way you can learn how to check SNMP port open both in the Windows and Linux Operating Systems.

How to check SNMP port open?
How to check SNMP port open? | Image by Joshua Woroniecki from Pixabay

SNMP- a quick look!

SNMP stands for Simple Network Management Protocol. It is a protocol employed to manage and also monitor the connected devices in a network in an IP network. This protocol can be implanted in servers, routers, or firewalls.

An SNMP port is a port that is employed through 161 UDP. This is primarily for the managers of SNMP to communicate with the agents.

How to check if the SNMP port is open?

To understand and check if the SNMP port is open, you need to Scan the ports. Use Nmap to scan the SNMP ports. If you have to scan networks, then there is no powerful tool like Nmap. The results of the Nmap show that the ports of SNMP are open. This means that the SNMP service is functioning.

How to check it for Windows?

To check the SNMP port status for windows. The first step is to go to settings. To go to settings, first, go to start and then settings. From the settings opt for a control panel. Then from the control panel go to administrative tools. And from the administrative tools go to services.

Once you reach the services window, it is time to check for SNMP port services. Find out if the SNMP services exist or not. In case, you find the services don’t exist, install SNMP immediately. Once you install it, the service of SNMP is immediately displayed. However, the status of the port is not displayed. In this case, you have to double-click on the SNMP service. Further, click on the start service option. You can opt to choose this service manually or automatically.

To install SNMP port services for Windows:

  • Check if you are logged in as an administrator or as a member of the group of administrators.
  • Start->settings->control panel->add/remove programs-> add/remove windows components.
  • Component->management and monitoring tools.
  • Click the checkbox of Simple Network Management Protocol
  • Now click ok
  • Click Next
  • Specify the path to the file storage
  • The services start automatically post-installation.

How to check if the port is open for Linux?

 To check if the port is open in Linux you have to key in any of the following commands:

  • $ /etc/rc.d/init.d/snmpd status
  • $ service snmpd status

If SNMP is installed then you can follow any of the below commands to start the service

  • $ service snmpd start
  • $ /etc/rc.d/init.d/snmpd start

If you find that SNMP services are not installed, then you need to take the first step of installing it, before executing the above commands.

To install SNMP services in Linux:

  • Check if you are logged in as a root user
  • See that you execute the commands to trace the path to the C compiler.
  • Execute the commands to install
  • The services start functioning.


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