Cisco combat-Don't let bad guys log on to the device

Set Password

Method 1:

(config-line)#line vty 0 4        #设置远程连接数，允许从0到4一共五个连接数(config-line)#password 123   #设置远程登录（即telnet）密码为123(config-line)#login                  #开启远程登录密码验证

Method 2:

(config-line)#line vty 0 4     #设置远程连接数，允许从0到4一共五个连接数(config-line)#login local      #设置远程登录时，先输入用户名，再输入密码后才能登录。 而login只是要求提供密码(config-line)#username hello  password 123  #设置用户名为hello，密码为123  

Summary: The latter is more secure, custom users and passwords, such as obsessive-compulsive disorder can also be entered in the privileged mode with a password, and all passwords are encrypted.

Router(config)#enable password 123 #明文密码Router(config)#enable secret 123 #密文密码Router(config)#service password-encryption    #加密所有密码

Cisco combat-Don't let bad guys log on to the device