Activate ASDM as GUI Interface for Cisco ASA/PIX Firewall

pixfirewall> enable
Password:
pixfirewall# configure terminal
pixfirewall(Config)# interface ethernet1
pixfirewall(Config-if)# nameif inside
pixfirewall(Config-if)# ip address 192.168.1.1 255.255.255.0
pixfirewall(Config-if)# no shutdown
pixfirewall(Config-if)#

Activate ASDM and enable http server.

pixfirewall(Config)# asdm image flash:/asdm.bin.
pixfirewall(Config)# http server enable.

Open a connection for your PC. Example your pc IP address is 192.168.1.2

pixfirewall(Config)# http 192.168.1.2 255.255.255.255 inside

Make sure all your config running properly.

pixfirewall(Config)# show running http
http server enabled
http 192.168.1.2 255.255.255.255 inside
pixfirewall(Config)#

Now your Cisco ASA/PIX can be access from your PC.

Make sure your PC and Firewall has connected and open your web browser then enter this address https://192.168.1.1/admin