WatchGuard Technologies SOHO 6.1 manual How Does a Firewall Work?

How Does a Firewall Work?

How Does a Firewall Work?

Fundamentally, a firewall is a way of distinguishing between, as well as protecting, “us” and “them”. On the external side of your SOHO 6 firewall is the entire Internet. The Internet offers many resources such as the Web, email, and video/audio conferencing. It also presents dangers to the privacy and security of your computer. On the trusted side of your SOHO 6 firewall are all the appliances you want to protect from these dangers. As is illustrated in the image below, the SOHO 6 physically separates your trusted network from the Internet.

Using rules or policies outlined in Chapter 3: “Configure Incoming and Outgoing Services” on page 62, the WatchGuard SOHO 6 evaluates all traffic between the external network (the Internet)

User Guide 3