Linux ipnatctl HOWTO

Rusty Russell, mailing list netfilter@lists.samba.org

1. Introduction

• 1.1 What is NAT?
• 1.2 Why Would I Want To Do NAT?

2. Quick Translation From 2.0 and 2.2 Kernels

• 2.1 I just want masquerading! Help!
• 2.2 What about ipmasqadm?

3. Selecting What Packets To Mangle

• 3.1 A Detour Into IP Addresses
• 3.2 Still Selecting What Packets To Mangle

4. Saying How To Mangle The Packets

• 4.1 Normal NAT
• 4.2 Reverse NAT
• 4.3 How To Map The Packet
• 4.4 Specialized Mappings

5. Multiple Mappings, Overlap and Clashes

6. More Complexity: How Rules Interact

7. Special Protocols

8. Caveats on NAT

9. Thanks