Hi Charlie,
Probably the easiest thing for you to do is connect the serial / programming cable to the PIX and access through Hyperterminal. Connect the cable, and set your COM port in Hyperterm to 9600-8-N-1.
If you get lucky, the previous admin did not spend too much time locking down these PIX 501's, and you will see a prompt that looks like this:
pixfirewall>
Type in 'en' and press enter. This will bring up the "enable" (aka admin-level) command set. Again, if you get lucky, just press enter. If you get this:
pixfirewall#
...then you've got enable commands activated.
There's a couple of ways to view the IP address information.
1) Show interface
You can use the show interface command. The interface named "ethernet0" is the outside interface, and the interface named "ethernet1" is the inside interface. To view the IP information (along with a lot of other info) just type in:
pixfirewall# show interface ethernet0
-or-
pixfirewall# show interface ethernet1
2) Show running-config
Since you've inherited these PIX'es, you might want to begin to become somewhat more familiar with the command / configuration. To view the running-configuation on the PIX, type in:
pixfirewall# show running-config
There are a couple of components to the running config that are relevant here. First is the nameif section, which "names " your interfaces. For example, later in the config ethernet0 is usually referred to as "outside". Look in the config for the lines:
ip address outside X.X.X.X Y.Y.Y.Y
ip address inside A.A.A.A B.B.B.B
The address you are interested in is the inside IP address. If you open your browser and go to
then you should be able to get PDM to start and you can config thru the GUI from there.
Also this may help you get going a little easier.
Best of luck!
GWC