Sentry Firewall CD(tm) HOWTO

Stephen A. Zarkos, Obsid@Sentry.net

1. Introduction

• 1.1 Project Goals
• 1.2 Further Reading
• 1.3 Copyrights and Disclaimer
• 1.4 Minimum Requirements

2. How the CD Works (Overview)

• 2.1 The Boot Process
• 2.2 ISOLINUX
• 2.3 The CD Configuration Scripts

3. Obtaining the CDROM

• 3.1 Which Branch?
• 3.2 Downloading
• 3.3 Purchasing
• 3.4 Obtaining Updates
• 3.5 Patching the ISO Image
• 3.6 Burning the CDROM

4. Using the Sentry Firewall CDROM

• 4.1 Introduction
• 4.2 The sentry.conf file
• 4.3 Network Configuration
• 4.4 Files You Should Replace
• 4.5 Other Useful Configuration Directives
• 4.6 Setting the Timezone.
• 4.7 Managing multiple nodes from a single location.
• 4.8 Example sentry.conf and disk images
• 4.9 Saving your configuration

5. Setting Up a Firewall

• 5.1 Starting the Firewall
• 5.2 Using FWBuilder with the Sentry Firewall CD
• 5.3 Using Webmin with the Sentry Firewall CD
• 5.4 Other Sample Firewall Scripts and Tools
• 5.5 Links to Other Firewall Resources

6. Setting Up Snort

• 6.1 Starting Snort
• 6.2 Customizing Snort Rules
• 6.3 The snort.conf File

7. Setting Up BIND

• 7.1 Starting BIND
• 7.2 BIND Configuration
• 7.3 Links to Other Resources

8. Troubleshooting

• 8.1 Booting Problems
• 8.2 Configuration Problems
• 8.3 Frequently Asked Questions
• 8.4 Mailing List

9. Building a Custom Sentry CD

• 9.1 Introduction
• 9.2 The development system(How I do it)
• 9.3 The RAMDisk Image
• 9.4 Making the ISO Image

10. More About the Sentry Firewall Project

• 10.1 Supporting the Project
• 10.2 About the Author
• 10.3 Contacting the Author