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Firewall and Proxy Server HOWTO

Mark Grennan, mark@grennan.com

v0.67, 26 September 1999


This document is designed to teach the basics of firewall systems and give you some detail on setting up both a filtering and proxy firewall on a Linux based PC. An HTML version of this document is available at http://www.grennan.com/Firewall-HOWTO.html

1. Introduction

2. Understanding Firewalls

3. Firewall Architecture

4. Setting up the Linux Filtering Firewall

5. Software requirements

6. Preparing the Linux system

7. IP filtering setup (IPFWADM)

8. IP filtering setup (IPCHAINS)

9. Making it easy-er

10. Installing a Transparent SQUID proxy

11. Installing the TIS Proxy server

12. The SOCKS Proxy Server

13. Advanced Configurations

14. Making Management Easy

15. Defeating a Proxy Firewall


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