单项选择题
假设要控制来自IP地址199.88.77.66的ping命令,可用的iptables命令如下()。
A.iptables –a INPUT –s 199.88.77.66–p icmp –j DROP
B.iptables –A INPUT –s 199.88.77.66–p icmp –j DROP
C.iptables –A input –s 199.88.77.66–p icmp –j drop
D.iptables –A input –S 199.88.77.66–P icmp –J DROP