linux centos开启80、22、3306端口方案
来源:岁月联盟
时间:2012-03-22
1、设定[root@localhost ~]# /sbin/iptables -I INPUT -p tcp --dport 80 -j ACCEPT[root@localhost ~]# /sbin/iptables -I INPUT -p tcp --dport 22 -j ACCEPT[root@localhost ~]# /sbin/iptables -I INPUT -p tcp --dport 3306 -j ACCEPT
2、保存[root@localhost ~]# /etc/rc.d/init.d/iptables save 3、重启防火墙[root@localhost ~]# service iptables restart 4、查看[root@localhost ~]# /etc/init.d/iptables status表格:filterChain INPUT (policy ACCEPT)num target prot opt source destination 1 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:3306 2 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 3 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 Chain FORWARD (policy ACCEPT)num target prot opt source destination Chain OUTPUT (policy ACCEPT)num target prot opt source destination 作者 DouglasLau