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auto secure命令的使用

  • 时间:2022-04-01 14:17 编辑: 来源: 阅读:
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摘要:auto secure命令的使用
[b] [/b]"     在路由器试用了一个命令:auto secure,这个命令用起来比较方便,而且可以关闭一些不安全的服务和启用一些安全的服务。然后对这个命令做了一个总结。(注:好像ios版本为:12.3(1)以上才支持使用)   总结如下: [b]  1、关闭一些全局的不安全服务如下:[/b]   Finger   PAD   Small Servers   Bootp   HTTP service   Identification Service   CDP   NTP   Source Routing [b]  2、开启一些全局的安全服务如下:[/b]   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  [b] 3、关闭接口的一些不安全服务如下:[/b]   ICMP   Proxy-Arp   Directed Broadcast   Disables MOP service   Disables icmp unreachables   Disables icmp mask reply messages.  [b] 4、提供日志安全如下:[/b]   Enables sequence numbers & timestamp   Provides a console log   Sets log buffered size   Provides an interactive dialogue to configure the logging server ip address.  [b] 5、保护访问路由器如下:[/b]   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 only SSH and SCP for access and file transfer to/from the router [b]  6、保护转发Forwarding Plane[/b]   Enables Cisco Express Forwarding (CEF) or distributed CEF on the router, when available   Anti-spoofing   Blocks all IANA reserved IP address blocks   Blocks private address blocks if customer desires   Installs a default route to NULL 0, if a default route is not being used   Configures TCP intercept for connection-timeout, if TCP intercept feature is available and the user is interested   Starts interactive configuration for CBAC on interfaces facing the Internet, when using a Cisco IOS Firewall image,   Enables NetFlow on software forwarding platforms 文章录入:csh    责任编辑:csh 
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