NetScreen Firewall How to forget the password can be soft/hard to restore to the factory configuration default account password, a bit more annoying is, this process will remove all the configuration of the NetScreen firewall, Cisco switch is can not delete the configuration file to modify the password. It's a shame. So be sure to develop a backup profile to handle an emergency.
Restore factory setup with device serial number
Connect to the NetScreen firewall with the console line, and then enter the device serial number (serial numbers), and serial on the back panel of the device.
login:0162012009900812
Password
!!! Lost Password Reset!!! You are have initiated a command to reset the device to factory defaults, clearing all current configuration and settings. Would to continue? Y/[n] Y
Restore factory settings, will delete all current configuration, press "Y"
!! Reconfirm Lost Password Reset!! If you continue, the entire configuration of the device would be erased. In addition, a permanent counter would be incremented to signify so this device has reset. This is your the chance to cancel this command. If you proceed, the device'll return to factory default configuration, which Is:system; Username:netscreen, Password:netscreen. Would to continue? Y/[n] Y
Restore factory settings, default system ip:192.168.1.1; Username:netscreen, Password:netscreen, press "Y."
In Reset ...
Juniper Networks SSG5 Boot Loader Version 1.3.2 (checksum:a1eab858)
Copyright (c) 1997-2006 Juniper Networks, Inc.
Total Physical MEMORY:128MB
Test-pass
Initialization-done
Hit any key to run loader
Hit any key to run loader
Hit any key to run loader
Hit any key to run loader
Loading default system image from on-board flash disk ...
done! (size = 15,171,584 bytes)
Image authenticated!
Start Loading ...
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Done.