# FreeS/WAN documentation

- detailed table of contents for HTML documentation
- HTML documentation as one big file

The following documents cover most of what you need to use FreeS/WAN:

- Introduction, describing the IPSEC protocols FreeS/WAN implements, why we are building it, and what you can do with it
- Installing FreeS/WAN. You can skip this if your distribution includes FreeS/WAN.
- Configuration. Setting up the system once it is installed.
- FreeS/WAN and firewalls
- Troubleshooting
- manual pages
- FreeS/WAN FAQ
- known BUGS in current release
- important CHANGES from previous releases

Other HTML documents provide more detail or background information, or cover more specialised topics:

- History and politics of cryptography
- The IPSEC protocols
- Compatibility Guide Linux distributions, CPU architectures, IPv6
- Interoperation with other IPSEC implementations
- Kernel configuration for FreeS/WAN
- Mailing lists and newsgroups
- Web links (a large collection)
- Glossary (our largest file)
- Bibliography
- Distribution Roadmap: What's Where in Linux FreeS/WAN
- IPSEC RFCs and related documents

For technical support and other questions, use the mailing list.