Cisco路由器auto secure命令小结
路由器命令auto secure用起来比较方便,而且可以关闭一些不安全的服务和启用一些安全的服务。这里对这个命令做了一个总结。(注:ios版本为:12.3(1)以上才支持使用)
总结如下:
1、关闭一些全局的不安全服务如下:
Finger
PAD
Small Servers
Bootp
HTTP service
Identification Service
CDP
NTP
Source Routing
2、开启一些全局的安全服务如下:
PassWord-encryption service
Tuning of scheduler interval/allocation
TCP synwait-time
TCP-keepalives-in and tcp-kepalives-out
SPD configuration
No ip unreachables for null 0
3、关闭接口的一些不安全服务如下:
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 interactive 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