Question : what is the best firewall protection a person can have to block users from gaining access to your ISP?
I was wondering what the best firewall or software program there is out there that will block people from gaining access to your ISP.
firewall protection

Best answer:

Answer by Linuxiac
You don’t want to block ALL access! All 32,256 ports?

I prefer the free http:///ipcop.org that runs on a single older system, headless. It permits total control by me.