linux系统ip访问53端口 配置linux 防火墙 只有固定IP和端口才能能访问完美解决...

//添加开放的端口和固定ip

vi /etc/sysconfig/iptables

[[emailprotected] /]# echo "unset MAILCHECK">> /etc/profile 禁止弹出发邮件

开启固定ip和端口访问配置：

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

-A INPUT -p icmp -j ACCEPT

-A INPUT -i lo -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp -s 192.168.137.5 -m multiport --dports 10102,80 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp -s 192.168.137.21 -m multiport --dports 10102,80 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp -s 192.168.137.1 -m multiport --dports 10102,80 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp -s 192.168.17.157 -m multiport --dports 10102,80 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp -s 192.168.115.23 --dport 80 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp -s 192.168.107.233 --dport 80 -j ACCEPT

-A INPUT -j REJECT --reject-with icmp-host-prohibited

-A FORWARD -j REJECT --reject-with icmp-host-prohibited

COMMIT

service iptables restart 重启防火墙