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Securing Cisco Router Installations and Administrative Access参考
Cisco Device Hardening Securing Cisco Router Installations and Administrative Access Configuring Router Passwords A console is a terminal connected to a router console port. Console是作为终端管理设备连接到路由器的管理接口. The terminal can be a dumb terminal or a PC with terminal emulation software. 管理设备通常安装有终端管理软件的PC主机,比如安装有超级终端的PC主机 Password Creation Rules Passwords can be 1 to 25 characters in length. 密码可以为1到25个字符的长度 Passwords can include: 密码可以包含如下字符: Alphanumeric characters 阿拉伯字母 Uppercase and lowercase characters 大小写敏感 Symbols and spaces 符号字符和空格 Password-leading spaces are ignored, but any spaces after the first character are not ignored. 密码的首位的空格不作为密码一部分，但是密码尾部的空格将认定为密码字符. Change passwords. 可以修改密码 Initial Configuration Dialog Configure the Line-Level Password Password Minimum Length Enforcement Encrypting Passwords Using the service password-encryption Command Enhanced Username Password Security Securing ROMMON with the no password-recovery Command Authentication Failure Rate with Login Setting a Login Failure Blocking Period Excluding Addresses from Login Blocking Setting a Login Delay Verifying Login Setting Timeouts for Router Lines Setting Multiple Privilege Levels Configuring Banner Messages Role-Based CLI Overview Traditional approach of limiting CLI access based on privilege levels and enable passwords provided too little control: No access control to specific interfaces Commands placed on a higher privilege level could not be reused for lower-privileged users CLI views provide more granular control. CLI views include accessible commands and interfaces. Access to a view is protected with a secret. Views can be grouped to superviews to create large sets of accessible commands and interfaces. Role-Based CLI Details Root view is the highest administrative view. Creating and modifying a view or superview is possible only from root view. The difference between root view and privilege 15 is that only a rootview user can create or modify views and superviews. CLI views require
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