如图所示的网络,通过以下哪些配置可以实现主机 A 不能访问主机 B 的 HTTP 服务, 主机 B 不能访问主机 A 的 FTP 服务?( )
A.acl number 3000正确答案BD
Rule 5 deny tcp source 100.0.12.0 0.0.0.255 source-port eq www destination 100.0.13.0 0.0.0.255
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Acl number 3001
Rule 5 deny tcp source 100.0.13.0 0.0.0.255 source-port eq ftp destination 100.0.12.0 0.0.0.255
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Interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000
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Interface GigabitEthernet0/0/2 traffic-filter inbound acl 3001
# B.acl number 3000
Rule 5 deny tcp source 100.0.13.0 0.0.0.255 destination 100.0.12.0 0.0.0.255 destination eq www
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Acl number 3001
Rule 5 deny tcp source 100.0.12.0 0.0.0.255 destination 100.0.13.0 0.0.0.255 destination eq ftp
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Interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000 #
Interface GigabitEthernet0/0/2 traffic-filter inbound acl 3001 # C.acl number 3000
Rule 5 deny tcp source 100.0.12.0 0.0.0.255 source-port eq www destination 100.0.13.0 0.0.0.255
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Acl number 3001
Rule 5 deny tcp source 100.0.13.0 0.0.0.255 source-port eq ftp destination 100.0.12.0 0.0.0.255
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Interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000 #
Interface GigabitEthernet0/0/2 traffic-filter inbound acl 3001
# D.acl number 3000
Rule 5 deny tcp source 100.0.13.0 0.0.0.255 destination 100.0.12.0 0.0.0.255 destination eq www
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Acl number 3001
Rule 5 deny tcp source 100.0.12.0 0.0.0.255 destination 100.0.13.0 0.0.0.255 destination eq ftp
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Interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000
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Interface GigabitEthernet0/0/2 traffic-filter inbound acl 3001
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