[root@centos httpd]# /sbin/iptables -I INPUT -p tcp --dport 53 -j ACCEPT
[root@centos httpd]# /etc/rc.d/init.d/iptables save
[root@centos httpd]# /etc/init.d/iptables restart
這樣就搞定了,查看效果
[root@centos httpd]# /etc/init.d/iptables status
[root@centos httpd]# /sbin/iptables -I INPUT -p tcp --dport 53 -j ACCEPT
[root@centos httpd]# /etc/rc.d/init.d/iptables save
[root@centos httpd]# /etc/init.d/iptables restart
這樣就搞定了,查看效果
[root@centos httpd]# /etc/init.d/iptables status