[root@iZ23um2lv3tZ ~]# more /etc/sysconfig/iptables # Generated by iptables-save v1.4.7 on Mon Oct 24 09:14:35 2016 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [3697:3188321] -A INPUT -s 219.85.158.148/32 -j DROP -A INPUT -s 58.213.122.115/32 -j DROP -A INPUT -s 61.180.64.196/32 -j DROP -A INPUT -s 42.62.65.236/32 -j DROP -A INPUT -s 58.217.192.54/32 -j DROP -A INPUT -s 58.213.122.115/32 -j DROP -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed on Mon Oct 24 09:14:35 2016
命令：
#iptables -I INPUT -s 58.217.192.54 -j DROP
#service iptables save