"Steve H" wrote in message
news:vbudnQapNK6nMQ7bnZ2dnUVZ_q7inZ2d@comcast.com. ..
>
> Perhaps this is a bit off topic, but I mainly use a software firewall
> to check for bad guys trying to phone home. My PC is already behind a
> hardware firewall.
>
> I recently replaced my AV which was starting to become bloatware with
> a lean and mean AV that I am so far impressed with. When I went to
> update, ZoneAlarm, I was amazed at how big the download was.
> ZoneAlarm has been moving in the direction of bloatware for a few
> years now.

Comodo firewall
memory usage: 12.7MB real + 18.1MB virtual

Just remember that a software firewall that runs on the same host as the
malware can be compromised. Usually good enough protection and control
but not perfect. However, as compared to a firewall appliance, a local
software firewall lets you define application rules which is what you
said you wanted.