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Bridge + Firewall + DSL Mini-HOWTO

Derek Ney derek@hipgraphics.com

Nov 9, 2000

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Configuring a Linux system to act as a firewall and bridge with a DSL network connection

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1. Introduction

• 1.1 History
• 1.2 New versions
• 1.3 Copyrights

2. Bridging, Firewalls, and DSL connections

• 2.1 The Problem
• 2.2 The Solution
• 2.3 Setup Overview
• 2.4 References

3. Procedure

• 3.1 Example Setup
• 3.2 Hardware Setup
• 3.3 Bridge Config
• 3.4 Kernel Configuration
• 3.5 Putting It All Together
• 3.6 Firewall Setup
• 3.7 Local Machine Setup

4. Quirks and Problems

• 4.1 Odd message when using ipchains -X
• 4.2 Shared Interrupts

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