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The Linux Cipe+Masquerading mini-HOWTO

Anthony Ciaravalo, acj@home.com

v1.2, 21 April 1999

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How to setup a VPN using Cipe on a linux masquerading firewall.

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1. Introduction

• 1.1 Copyright statement
• 1.2 Disclaimer
• 1.3 Feedback
• 1.4 Getting the files

2. Firewall Configuration

• 2.1 VPN Network Diagram
• 2.2 A little reference
• 2.3 Additional notes about scripts and the VPN

3. Machine A Specific Configuration

• 3.1 /etc/cipe/options.machineB
• 3.2 /etc/cipe/options.machineC
• 3.3 /etc/rc.d/rc.cipe
• 3.4 Gateway

4. Machine B Specific Configuration

• 4.1 /etc/cipe/options.machineA
• 4.2 /etc/rc.d/rc.cipe
• 4.3 Gateway

5. Machine C Specific Configuration

• 5.1 /etc/cipe/options.machineA
• 5.2 /etc/rc.d/rc.cipe
• 5.3 Gateway

6. Common Machine Configuration

• 6.1 /etc/cipe/ip-up
• 6.2 /etc/cipe/ip-down

7. Example masquerading firewall scripts

• 7.1 Kernel 2.0, ipfwadm
• 7.2 Kernel 2.1/2.2, ipchains

8. Putting it all together

9. Connecting to the WAN

10. References

• 10.1 Web Sites
• 10.2 Documentation

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