cisco路由器命令:分析一条Cisco路由器的安全命令

前两天在路由器试用了个命令:auto secure这个命令用起来比较方便而且可以关闭些不安全服务和启用些安全服务然后对这个命令做了个整理总结(注:好像ios版本为:12.3(1)以上才支持使用)

  整理总结如下:

  1、关闭些全局不安全服务如下:

  Finger

  PAD

  Small Servers

  Bootp

  HTTP service

  Identication Service

  CDP

  NTP

  Source Routing

  2、开启些全局安全服务如下:

  Password-encryption service

  Tuning of scheduler erval/allocation

  TCP synwait-time

  TCP-keepalives-in and tcp-kepalives-out

  SPD configuration

  No ip unreachables for null 0

 
3、关闭接口些不安全服务如下:
  ICMP

  Proxy-Arp

  Directed Broadcast

  Disables MOP service

  Disables icmp unreachables

  Disables icmp mask reply messages.

  4、提供日志安全如下:

  Enables sequence numbers & timestamp

  Provides a console log

  Sets log buffered size

  Provides an eractive dialogue to configure the logging server ip address.

  5、保护访问路由器如下:

  Checks for a banner and provides facility to add text to automatically configure:

  Login and password

  Transport input & output

  Exec-timeout

  Local AAA

  SSH timeout and ssh authentication-retries to minimum number

  Enable _disibledevent=>
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  • Tags:  cisco路由器设置 cisco路由器配置 cisco路由器 cisco路由器命令

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