SSH port change (Centos)
SSHD settings VI/ETC/SSH/SSHD_CONFIG Port {port number} Service SSHD RESTART Firewall setting VI/ETC/Sysconfig/iptables -A input -M State -state New -M TCP -P TCP -DPORT {Port} -j Accept Service iptables Restart * After changing the SSH port, the firewall setting allows you to use that port.