用iptables写一条规则不允许172.16.0.0/16的网段访问本设备,以下哪项规则写法是正确的? ( )。 A: iptables –t filter –A INPUT –s 172.16.0.0/16 –p all –j DROP B: iptables –t filter –P INPUT –s 172.16.0.0/16 –p all –j DROP C: iptables –t filter –A INPUT –s 172.16.0.0/16 –p all –j ACCEPT D: iptables –t filter –P INPUT –s 172.16.0.0/16 –p all –j ACCEPT

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2022-06-06

用iptables写一条规则不允许172.16.0.0/16的网段访问本设备,以下哪项规则写法是正确的? ( )。 A: iptables –t filter –A INPUT –s 172.16.0.0/16 –p all –j DROP B: iptables –t filter –P INPUT –s 172.16.0.0/16 –p all –j DROP C: iptables –t filter –A INPUT –s 172.16.0.0/16 –p all –j ACCEPT D: iptables –t filter –P INPUT –s 172.16.0.0/16 –p all –j ACCEPT

用iptables写一条规则不允许172.16.0.0/16的网段访问本设备,以下哪项规则写法是正确的? ( )。
A: iptables –t filter –A INPUT –s 172.16.0.0/16 –p all –j DROP
B: iptables –t filter –P INPUT –s 172.16.0.0/16 –p all –j DROP
C: iptables –t filter –A INPUT –s 172.16.0.0/16 –p all –j ACCEPT
D: iptables –t filter –P INPUT –s 172.16.0.0/16 –p all –j ACCEPT

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