No.1:
vi /etc/ssh/sshd_config

No.1:
/sbin/iptables -I INPUT -p tcp --dport 1107 -j ACCEPT
1107是自訂的端口，請自行調整成需要的端口

No.1:
/etc/rc.d/init.d/iptables save

No.1:
/etc/rc.d/init.d/iptables restart

No.1:
/etc/init.d/iptables status