How to change SSH port Ispis

Default SSH server port is 22.

Open configuration file /etc/ssh/sshd_config of SSH server by using nano text editor and find next line: Port 22 or your current port.


Save file and reboot SSH:

Debian / Ubuntu

/etc/init.d/ssh restart

CentOS

/etc/init.d/sshd restart

FreeBSD

/etc/rc.d/sshd restart