Snippet: Packet capture using Cisco PIX/ASA

If you are having issues with your PIX/ASA firewall (or people believe that there is) there are a couple of checks that you can do just to make sure that the issue isn’t the firewall (as the server guys usually point at the firewall first!)

Packet Tracer

This handy command was first implemented in version 7.2(1) of the ASA/PIX software and allows you to run a sample packet through the firewall and it will trace it through each step of the firewall process.

Below is a sample of the command and the output from the command: Continue reading