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This article analyzes "how to recover Cisco ASA5505 passwords". The content is detailed and easy to understand. Friends who are interested in "how to recover Cisco ASA5505 passwords" can follow the editor's idea to read it slowly and deeply. I hope it will be helpful to everyone after reading. Let's learn more about "how to recover Cisco ASA5505 passwords" with the editor.

The official document states:

To recover from the loss of passwords, perform the following steps:

Step 1 Connect to the security appliance console port by super terminal

Step 2 Power off the security appliance, and then power it on.

Step 3 During the startup messages, press the Escape key when prompted to enter ROMMON.

Step 4 To set the security appliance to ignore the startup configuration at reload, enter the following command:

Rommon # 1 > confreg (0x41) change the register value in ROMMON mode to: 0x41, press BOOT to restart the device)

The security appliance displays the current configuration register value, and asks if you want to change

The value:

Current Configuration Register: 0x00000011

Configuration Summary:

Boot TFTP p_w_picpath, boot default p_w_picpath from Flash on netboot failure

Do you wish to change this configuration? Y/n [n]:

Step 5 Record your current configuration register value, so you can restore it later.

Step 6 At the prompt, enter Y to change the value.

The security appliance prompts you for new values.

Step 7 Accept the default values for all settings, except for the "disable system configuration?" Value; at that

Prompt, enter Y.

Step 8 Reload the security appliance by entering the following command:

Rommon # 2 > boot

The security appliance loads a default configuration instead of the startup configuration.

Step 9 Enter privileged EXEC mode by entering the following command:

Hostname > enable

Step 10 When prompted for the password, press Return.

The password is blank.

Step 11 Load the startup configuration by entering the following command:

Hostname# copy startup-config running-config

Step 12 Enter global configuration mode by entering the following command:

Hostname# configure terminal

Step 13 Change the passwords in the configuration by entering the following commands, as necessary:

Hostname (config) # password cisco (configure password)

Hostname (config) # enable password cisco (configure enable password)

Hostname (config) # username name password cisco (configure user and password)

Step 14 Change the configuration register to load the startup configuration at the next reload by entering the

Following command:

Hostname (config) # config-register value (change the return value to: 0x11)

Where value is the configuration register value you noted in Step 5. 0x1 is the default configuration

Register.

Step 15 Save the new passwords to the startup configuration by entering the following command:

Hostname (config) # copy running-config startup-config (save the configuration and restart to recover the password)

That's a completely procedure of restoring lost password on ASA5500 security appliance.

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