Chapter 6. Common Issues

One of the weaknesses I felt the first edition of this book had was that it did not include enough Frequently Asked Questions (FAQs) of a more general nature, that is, things that might come up in the day-to-day operation of your firewall but didn't neatly fall into other chapters I've written. Since providing answers to FAQs about FireWall-1 is how I got to be well known within the FireWall-1 community in the first place, it seems fitting that I include a chapter in the book that is nothing but FAQs.

The FAQs in this chapter relate to error messages you might see in the operating system logs, on the console, and in SmartView Tracker/Log Viewer. The FAQs also cover other situations that the average firewall administrator needs to resolve that are more general in nature.

By the end of this chapter, you should be able to:

• Configure your firewall to deal with some common situations

• Diagnose common error messages that occur with your firewall

• Recognize common issues that appear to be firewall-related but are not