以下我们主要讲的是ISP中路由器IOS基本安全管理
vty访问
access-list 1 permit 192.168.0.10
line vty 0 4
access-class 1 in
SNMP访问
access-lists 1 permit 192.168.0.10
snmp-server community private RW 1
过滤表
access-list 1deny 192.168.0.0 0.0.0.255
access-list 1 permit any any
router eigrp 64
distribute-list 1 out serial 0
HTTP访问
access-list 1 permint 192.168.0.1
ip http access-class 1
交换机端口安全
set port security 3/1 enable 01-02-03-04-05-06