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How to configure the five main passwords of the Cisco IOS ?

Several types of passwords can be configured on a Cisco router, such as the enable password, the secret password for Telnet and SSH connections and the console port as well. All these password locations represent good access locations for passwords, but if you have only one password on only one access location, you should at least have an enable password.

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How to configure the five main passwords of the Cisco IOS ?

  1. 1. How to configure the five main passwords of the Cisco IOS ? YASER RAHMATI www.yaser-rahmati.ir AUX This is short for auxiliary port. This is also a physical access port on the router. Not all routers have this port. As the aux port is a backup configuration port for the console, it is equally important to configure a password on it. Enable password The enable password prevents someone from getting full access to your router. The enable command is actually used to change between different security levels on the router (there are 0-15 levels of security). However, it is typically used to go from user mode (level 1) to privileged mode (level 15). In fact, if you are at user mode and you just type enable, it assumes you want to go to privileged mode. CONSOLE If you have no password set on the router's console, by default, you can access user mode . Because there is only one console port per router, you would use the command line console 0 in global configuration mode. VTY The "virtual tty" line is not a physical connection, but a virtual connection. You would use this line to Telnet or SSH into the router. Of course, you would need to have an active LAN or WAN interface set up on your router for Telnet to work. Router# config t Router(config)# line console 0 Router(config-line)# password SecR3t!pass Router(config-line)# login Router# config t Router(config)# line aux 0 Router(config-line)# password SecR3t!pass Router(config-line)# login Router# config t Router(config)# line vty 0 4 Router(config-line)# password SecR3t!pass Router(config-line)# login Enable secret The enable secret password has the same function as the enable password, but with enable secret, the password is stored in a much stronger form of encryption: Router# config t Router(config)# enable password SecR3t!enable Router(config)# exit Router# config t Router(config)# enable secret SecR3t!enable Router(config)# exit

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