How to Check whether port is listening or not?.

How to Check whether port is listening or not?.

If are you looking for the solution How to check port is listening or not on server. Please read this post so, you can get solution. As a admin day to day work you will come to a situation to find the particular port is listening or blocked in a server.

Assume that you are looking to check whether the port 22 is listening or not.

Command to check open ports on Linux

You can use the command netstat to see the port 22 is listening to the IP address or not

[root@myspacewal101 ~]# netstat -int|grep 22

And also use the command “iptables” to ensure the port is not filtered.

[root@myspacewal101 ~]# iptables -nL | grep 25

If you see anything relate 22 then the port is listening. If not it’s been blocked by firewall or the service belongs the port 22 (SSH) is not running.

mukesh.thakur87: