SSH port change (Centos)

SSHD settings

1. vi /etc/ssh/sshd_config
2. Port {port number}
3. service sshd restart

Firewall setting

1. vi /etc/sysconfig/iptables
2. -A input -M State —State New -M TCP -P TCP {Port} -J Accept
3. service iptables restart

* After changing the SSH port, the firewall setting allows you to use that port.