Firewall Piercing mini-HOWTO

François-René Rideau, [email protected]

1. Stuff

• 1.1 DISCLAIMER
• 1.2 Legal Blurp
• 1.3 Looking for a maintainer
• 1.4 Credits

2. Introduction

• 2.1 Foreword
• 2.2 Security issues
• 2.3 Other requirements
• 2.4 Downloading software

3. Understanding the problem

• 3.1 Giving names to things
• 3.2 The main problem
• 3.3 The secondary problem

4. Secure solution: piercing using ssh

• 4.1 Principle
• 4.2 A sample session

5. Unsecure solution: piercing using telnet

• 5.1 Principle
• 5.2 fwprc
• 5.3 .fwprcrc

6. Routing

• 6.1 The catch
• 6.2 Example of routing

7. Reverse piercing

• 7.1 Rationale
• 7.2 Getting the trigger message

8. Final notes

• 8.1 Other settings
• 8.2 HOWTO maintenance
• 8.3 Related Documents
• 8.4 Final Word
• 8.5 Extra copy of IMPORTANT DISCLAIMER --- BELIEVE IT!!!