通过添加规则,允许通往192.168.0.2的SSH连接通过防火墙的iptables的指令是 ( )。
A.
iptables –F INPUT –d 192.168.0.2 –p tcp – -dport 22 –j ACCEPT
B.
iptables –A INPUT –d 192.168.0.2 –p tcp –-dport 23 –j ACCEPT
C.
iptables –A FORWARD –d 192.168.0.2 –p tcp – -dport 22 –j ACCEPT
D.
iptables –F FORWARD –d 192.168.0.2 –p tcp –-dport 23 –j ACCEPT