Today tip will help you to explain the password recovery methods
for the Cisco PIX firewall. You can use these steps to recover for
different Cisco PIX Firewalls (for example 501, 506, 506E, 515E, 515,
525 and 535).
Follow the step-by-step procedure to recover the lost Cisco PIX
First make sure, you have connected your PC to the Ethernet and
Firewall using any emulation software.
turn the power switch off and back on to recycle the power then press
Break or Esc key to. The monitor> prompt is displayed.
use the interface command to specify the interface of PIX
Firewall use for traffic.
0: i8255X @ PCI(bus:0 dev:13 irq:11)
1: i8255X @ PCI(bus:0 dev:14 irq:8 )
Now use the address command to assign the IP address of PIX Firewall interface.
the server command to assign the IP address of TFTP server for
the gateway command to specify the gateway address through which
the server is accessible.
issue the file command to identify the file name to recover the
PIX firewall password, for example np62.bin (download this file
from Cisco website).
use the tftp command to start the password recovery process of
the PIX Firewall, and then following message will appear.
tftp firstname.lastname@example.org via 10.1.1.5....................................................
Received 63729 bytes
Do you wish to erase the passwords? [yn] yes
Passwords have been erased.