Ccna security Lab Securing the Router for Administrative Access


Note: The default for vty lines is now transport input none



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Lab 01 - Securing the Router for Administrative Access
Note: The default for vty lines is now transport input none.
Telnet from R2 to R1 again. Were you able to login this time?
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        1. Enter privileged EXEC mode and issue the show run command. Can you read the enable secret password? Explain.

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Can you read the console, aux, and vty passwords? Explain.
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        1. Repeat the configuration portion of steps 3a through 3g on router R3.
      1. Encrypt clear text passwords.


        1. Use the service password-encryption command to encrypt the console, aux, and vty passwords.

R1(config)# service password-encryption

        1. Issue the show run command. Can you read the console, aux, and vty passwords? Explain.

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At what level (number) is the default enable secret password encrypted? ______________
At what level (number) are the other passwords encrypted? ______________
Which level of encryption is harder to crack and why?
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