When designing a firewall topology for your customer's network, you have three basic options. This tip is a brief primer on firewall architectures to enable you to select
Choosing the right firewall topology: Bastion host, screened subnet or dual firewalls
Anyone building a perimeter protection strategy should plan to implement a defense-in-depth approach that utilizes multiple security devices including firewalls, border routers with packet filtering and intrusion-detection systems. One of the most common questions is, "Where should I place firewalls for maximum effectiveness?"
- Bastion host
- Screened subnet
- Dual firewalls
Learn more about firewall topologies and picking a perimeter protection strategy best suited to your customer's network.
Get more tips on building a firewall architecture.
This was first published in June 2007