We need console access to perform this action, so connect you will need to connect the console cable to port on the firewall named “Console” in BLUE.

We need a terminal software now and I recommend Putty. Download and install it, then make a new connection. Select the radio Type: Serial, then click Serial on the left and use these settings:

    • Bits per second: 9600
    • Data bits: 8
    • Parity: None
    • Stop bits: 1
    • Flow control: None

  1. After you open your connection, press enter a couple times, and you should get a prompt like: ‘ciscoasa>’, or ‘hostname>’
  2. Type ‘en’ to go to enable mode. Enter the password, or just press enter if there is no password set.
  3. Type ‘config t’
  4. Type ‘config factory-default’
  5. Hit spacebar when the ‘more’ thing happens. You want to get back to the prompt that looks like: ‘ciscoasa(config)#’
  6. Type ‘wr mem’ to save the new config
  7. Type ‘reload’
  8. Then press ‘Enter’  to confirm
  9. Make sure that the outside line is plugged into port zero, and your pc is plugged into any of the ports 1-7.
  10. The Cisco ASA has been reset to factory settings. DHCP is enabled on the cisco device, and it’s internal IP address is now 192.168.1.1.
  11. If you had an enable password set, you may need to enter that in the password box when you try to connect using the ASDM. Otherwise the default username and password is to leave both blank.

 

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