Cisco asa 5585 x firewall11/16/2023 ![]() ![]() Enter Y to change the configuration and press Y. Step 5 Record your current configuration register value (the number that is similar to 0x00000011 in the example above,) so you can restore it later. The security appliance displays the current configuration register value, and asks if you want to change the value:Ĭurrent Configuration Register: 0x00000011īoot TFTP image, boot default image from Flash on netboot failureĭo you wish to change this configuration? y/n : To set the security appliance to ignore the startup configuration at reload, enter the following command: rommon #1> confreg During the startup messages, press the Escape key when prompted to enter ROMMON. Power off the security appliance, and then power it on. Connect to the security appliance console port according to the “Accessing the Command-Line Interface” section on page 2-4. To recover passwords, perform the following steps: Performing Password Recovery for the ASA 5500 Series Adaptive Security Appliance In this case, to restore the system to an operating state, load a new image and a backup configuration file, if available.įurther modified instructions for the vulcan minded: However, disabling password recovery prevents unauthorized users from viewing the configuration or inserting different passwords. Because password recovery depends on using ROMMON mode and maintaining the existing configuration, this erasure prevents you from recovering a password. If a user chooses not to erase the Flash file system, the ASA reloads. The user cannot enter ROMMON mode without first performing this erasure. When a user enters ROMMON mode, the ASA prompts the user to erase all Flash file systems. On the ASA, the no service password-recovery command prevents a user from entering ROMMON mode with the configuration intact. You might want to disable password recovery to ensure that unauthorized users cannot use the password recovery mechanism to compromise the ASA. Save the new passwords to the startup configuration by entering the following command: hostname(config)# copy running-config startup-config The default configuration register value is 0x1. Load the default configuration by entering the following command: hostname(config)# no config-register ![]() Change the passwords, as required, in the default configuration by entering the following commands: hostname(config)# password password hostname(config)# enable password password hostname(config)# username name password password Access the global configuration mode by entering the following command: hostname# configure terminal Load the startup configuration by entering the following command: hostname# copy startup-config running-config When prompted for the password, press Enter. Access the privileged EXEC mode by entering the following command: hostname> enable The ASA loads the default configuration instead of the startup configuration. Boot configuration file contains 1 entry. Reload the ASA by entering the following command: rommon #2> boot Launching BootLoader. Accept the default values for all settings. At the prompt, enter Y to change the value. Record the current configuration register value, so you can restore it later. The ASA displays the current configuration register value, and asks whether you want to change it: Current Configuration Register: 0x00000041 Configuration Summary: boot default image from Flash ignore system configuration Do you wish to change this configuration? y/n : y To set the ASA to ignore the startup configuration, enter the following command: rommon #1> confreg To update the configuration register value, enter the following command: rommon #1> confreg 0x41 Update Config Register (0x41) in NVRAM. After startup, press the Escape key when you are prompted to enter ROMMON mode. Connect to the ASA console port according to the instructions in “Accessing the Command-Line Interface” section. Maybe they can help you solve your problem while recovering the password for your ASA. ASA password recovery or disabling password recovery? Some experts shared their experience or examples of ASA Password Recovery. ![]()
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