But with that turned off, a little travel router makes a great - basically it's a little hardware, a little portable hardware firewall.

I mean, it's a hardware firewall as opposed to a software on your machine.

You're not saying use a NAT router instead of a hardware firewall.

A hardware firewall would be even better, yes?

Isn't a router just a hardware firewall?

Although hardware firewalls are still the best option, if you need a software firewall, this one is your best bet, with low performance and complete control.

As for my question, let's say a hacker got a hold of your IP address, and your home network is behind a hardware firewall, a router.

Now, that's different than opening ports out in the hardware firewall, the router, as he mentions.

You don't want to depend upon the hardware firewall offered by the router because it's transient.

Most routers combine wireless and Ethernet technology and also include a hardware firewall.