How to check port is open on remote server

How to check port is open on remote server, check if remote port is open linux, check port is open linux telnet, check if port is open ubuntu, check port open

Are you looking for the solution "How to check port is open on remote server" As a admin, you will come to a situation to find the particular port is open or not from one server to remote server.

Assume that you are looking to check the port 25 is open or not on the remote server 192.168.2.1.

Use the command "telnet" as below to see the port 25 is open.
#telnet 192.168.2.1 25
We should get connected to the remote server as connection established. And also you can use the command "nmap" to ensure the port open or not on remote server as well.

#nmap 192.168.2.1
We should see the port 25 in the output, then the port is open.
If both the command doesnt show the output as expected, then its been blocked by firewall or the service belongs to port 25 (SMTP) is not running.

Leave your inputs if anything missed and we appreciate your comments. how to check port is open on remote server, check if remote port is open linux, check if port is open linux telnet, check if port is open ubuntu, check if port is open command line linux, linux check if port is blocked by firewall, check port open or not on remote server
August 28, 2016

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