Firewall Architecture Review

Firewall architectures can be defined as the placement of firewalls in relation to other machines on the corporate network. A variety of firewall architectures exist as well as a number of ways to classify them. In this section, we take a look at some of the more common firewall architectures.

Screening Router

A screening router is a router that is placed on the edge of the corporate network. The router is configured to allow inbound and outbound packets based on policies you have created on the router. The screening router is usually a packet filtering router and does not perform advanced firewall functions.

Routers can be configured to route all traffic to and from the Internet. However, you can significantly improve ...

Get TICSA TruSecure™ ICSA Certified Security Associate Exam TU0-001 now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.