Firewalls

A firewall approach provides numerous advantages to sites by helping

increase overall host security. The following section provides an

overview of the primary benefits of using a firewall.

1.4 Benefits of firewalls

A firewall provides a leveraged choke point for network security.

It allows the corporation to focus on a critically vulnerable point:

where the corporation’s information system connects to the Internet.

The firewall can control and prevent attacks from insecure network

services. A firewall can effectively monitor all traffic passing through

the system. In this manner, the firewall serves as an auditor for the

system and can alert the corporation ...