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router阻止telnet自身的两种方法
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- 2016-06-07 15:11:591373browse
假设routerA，e0: 10.1.1.1/24 e1: 10.1.2.1/24 方法 一： routerA(config)#access-list 100 deny tcp any 10.1.1.1 0.0.0.0 eq 23 routerA(config)#access-list 100 deny tcp any 10.1.2.1 0.0.0.0 eq 23 routerA(config)#access-list 100 permit ip any any
假设routerA，e0: 10.1.1.1/24 e1: 10.1.2.1/24方法一：
routerA(config)#access-list 100 deny tcp any 10.1.1.1 0.0.0.0 eq 23
routerA(config)#access-list 100 deny tcp any 10.1.2.1 0.0.0.0 eq 23
routerA(config)#access-list 100 permit ip any any
routerA(config)#int e0
routerA(config-if)#ip access-group 100 in
routerA(config-if)#no shut
routerA(config-if)#exit
routerA(config)#int e1
routerA(config-if)#ip access-group 100 in
routerA(config-if)#no shut
routerA(config-if)#exit
routerA(config)#copy run start
方法二：使用VTY
routerA(config)#access-list 100 deny tcp any 10.1.1.1 0.0.0.0 eq 23
routerA(config)#access-list 100 deny tcp any 10.1.2.1 0.0.0.0 eq 23
routerA(config)#access-list 100 permit ip any any
routerA(config)#line vty 0 4
routerA(config-line)#access-class 100 in
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