iptables 限制ip访问3306端口

*filter
:INPUT DROP [0:0]  #全部关闭
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -s 172.4.4.14 -p tcp --dport 3306 -j ACCEPT  #一个一个的打开
-A INPUT -s 172.4.4.15 -p tcp --dport 3306 -j ACCEPT
-A INPUT -s 172.4.4.16 -p tcp --dport 3306 -j ACCEPT
-A INPUT -s 172.4.4.17 -p tcp --dport 3306 -j ACCEPT
-A INPUT -s 172.4.4.12 -p tcp --dport 3306 -j ACCEPT
-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 --dport 22 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
#-A INPUT -p tcp --dport 3306 -j DROP
COMMIT

转载于:https://www.cnblogs.com/kuku0223/p/10654322.html