pfSense is a powerful, open source, free and FreeBSD based firewall and security solution. The follwoing are three links you may be interested in if you use or would like to use pfSense.
pfSense 2.0.1 announcement
Chris Buechler has announced the release of pfSense 2.0.1. This is a maintenance release with some bug and security fixes since 2.0 release. This is the recommended release for all installations.
How To Use pfSense to load balance your Web Servers
This howto shows you how to configure pfSense 2.0 as a load balancer for your web servers. It is assumed that you already have a pfSense box and at least 2 Apache servers installed and running on your network, and that you have some pfSense knowledge.
There’s a great pfSense reference book published earlier this year, pfSense 2 Cookbook. It’s great for network admins, but also the casuel pfSense user. It’s a preatical, example-driven guide to configure the simple and the most advanced features for pfSense.
The chapters in the book are:
- Initial Configuratino
- Essential Services
- General Configuration
- Virtual Private Networking
- Advance Configuration
- Redundancy, load balancing and fail over
- Services and maintenance
- Appendix 1 – Monitoring and logging
- Appendix 2 – Determining hardware requirements
The book is full with screenshots, explaining all the different settings.
You can “look inside” book: pfSense Cookbook