Remove redundant set
Drop double $$ from variable name
Use global cpzoneid variable
Fix http and https port for cpzone
Consider tracker IDs when looking up filter log entries, if present
Use egrep here (and full path)
Remove units from burst as it is always specified in bytes. (Per ipfw(8)).
Worked for me in testing, I watched a file briefly burst until and then be clamped down to the limiter's rate.