Learn to Configure Enable Mode Security on Cisco Router

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To configure enable mode access, you can use one of two commands: enable password or enable secret. Both commands accomplish the same thing, allowing access to enable mode. However, the enable secret command is considered to be more secure because it uses a one−way encryption scheme based on the MD5 hashing function. Only use the enable password command with older IOS images and/or boot ROMs that have no knowledge of the newer enable secret command.




You configure an enable password by entering the enable password command in global configuration mode:

CiscoRouter#config t
Enter configuration commands, one per line. End with CNTL/Z.
CiscoRouter(config)#enable password VisaGoogla
CiscoRouter(config)#end
CiscoRouter#

The preceding configuration sets the enable password to VisaGoogla. The result of setting the enable password can be seen in the following output. From the user mode prompt, you must enter the enable command to gain access into privileged mode:

CiscoRouter>enable
Password: VisaGoogla
CiscoRouter#

Note: After you enter the enable command, the password you type at the password prompt will not be displayed. Be sure to type the password exactly as it is configured in the enable password command.

You configure an enable secret password by entering the following command in global configuration mode:

CiscoRouter#config t
Enter configuration commands, one per line. End with CNTL/Z.
CiscoRouter(config)#enable secret VisaGooglaSec
CiscoRouter(config)#end
CiscoRouter#

The preceding configuration sets the enable secret password to VisaGooglaSec. The result of setting the enable secret password can be seen in the following output. From the user mode prompt, you must enter the enable command to gain access into privileged mode, as follows:

CiscoRouter>enable
Password: VisaGooglaSec
CiscoRouter#

Note: After you enter the enable command, the password you type at the password prompt will not be displayed. Be sure to type the password exactly as it is configured in the enable password command.

Note: For security reason, we recommend you to use "enable secret password", because the secret password uses MD5 hashing function to encrypt your password, so it is more secure than "enable password"!!!

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