这是一条ACL规则,意思是拒绝目的TCP端口为23号端口的数据包,(telnet使用的是tcp23号端口),作用即如果有数据包是访问某IP的telnet端口的,则会被拒绝掉。希望能对您有所帮助
Rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnetInterface Ethernet0/0Ip address 192.168.0.1 255.255.255.0Firewall packet-filter 3000 outbound 查看答案 单选题 在MSR 路由器上,可以使用___命令清除NAT 会话表项。 A、 clear nat B、 clear nat session C、 reset...
访问控制列表rule 100 deny tcp source 10.1.10.10 0.0.255.255 destination-port eq 80的含义是? A.规则序列号是100,禁止到10.1.10.10主机的telnet访问B.规则序列号是100,禁止到10.1.0.0/16网段的www访问C.规则序列号是100,禁止从10.1.0.0/16网段来的www访问D.规则序列号是100,禁止从10.1.10.10主机来的rlogin...
configured on the S0/0 interface of router RTB in the outbound direction.Which two packets,if routed to the interface,will be denied?()access-list 101 denytcp192.168.15.320.0.0.15any eq telnetaccess-list 101 permitip any any A.source ip address:192.168.15.5;destination port: 21 B.source i...
Rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet Interface Ethernet0/0 Ip address 192.168.0.1 255.255.255.0 Firewall packet-filter 3000 inbound D、 acl number 3000 Rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet ...