lte state icmp 限制ip訪問 bsp 關閉 -- port tables

*filter
:INPUT DROP [0:0] #全部關閉
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -s 172.4.4.14 -p tcp --dport 3306 -j ACCEPT #一個一個的打開
-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

iptables 限制ip訪問3306端口