Steps to know SSH port of cPanel server –

1. Login to WHM with your login details.
2. Go to restart servicees.
3. Restart SSH server. Once service get restart you will get below information –
Waiting for “sshd” to restart ………waiting for “sshd” to initialize ………finished.
Service Status
sshd (/usr/sbin/sshd) running as root with PID 904715 (process table check method)
Startup Log
Starting sshd: [ OK ]
Log Messages
Apr 6 05:48:40 server sshd[904715]: Server listening on :: port 8872.
Apr 6 05:48:40 server sshd[904715]: Server listening on 0.0.0.0 port 8872.
Apr 6 05:48:39 server sshd[4031]: Received signal 15; terminating.
sshd restarted successfully.
That’s it!

In the above output, you can see 8872 is the SSH port.