5 ways to Check a remote port status in Linux

 

System admin will use to check the remote port status for any application / system port issue.

We can check the port status with 5 ways.

Use nc command

#nc -zv IPaddress Portnumber

Use nmap command 

#nmap IPaddress -p portnumber

Use telnet command 

#telnet IPaddress portnumber

Use python module:

#python telnet IPaddress portnumber

Use curl command

curl -v telnet IPaddress:portnumber