Please note

This document refers to the 2.0 version of Apache httpd, which is no longer recommended.
If you are using the current versions of httpd (2.2 or 2.4), please visit their documentations instead:

Apache HTTP Server 2.2 documentation
Apache HTTP Server 2.4 documentation

You may follow this link to go to the 2.2 version of this document.

Developer Documentation for Apache 2.0

Available Languages: en

Many of the documents on these Developer pages are lifted from Apache 1.3's documentation. While they are all being updated to Apache 2.0, they are in different stages of progress. Please be patient, and point out any discrepancies or errors on the developer/ pages directly to the dev@httpd.apache.org mailing list.

Topics
External Resources

Topics

Apache 1.3 API Notes
Apache 2.0 Hook Functions
Request Processing in Apache 2.0
How filters work in Apache 2.0
Converting Modules from Apache 1.3 to Apache 2.0
Debugging Memory Allocation in APR
Documenting Apache 2.0
Apache 2.0 Thread Safety Issues

External Resources

Tools provided by Ian Holsman:
- Apache 2 cross reference
- Autogenerated Apache 2 code documentation
Module Development Tutorials by Kevin O'Donnell
- Integrating a module into the Apache build system
- Handling configuration directives
Some notes on Apache module development by Ryan Bloom