Apache > HTTP Server > Documentation > Version 2.0

Apache Miscellaneous Documentation

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Below is a list of additional documentation pages that apply to the Apache web server development project.


Some of the documents below have not been fully updated to take into account changes made in the 2.0 version of the Apache HTTP Server. Some of the information may still be relevant, but please use it with care.

How to use XSSI and Negotiation for custom ErrorDocuments

Describes a solution which uses XSSI and negotiation to custom-tailor the Apache ErrorDocuments to taste, adding the advantage of returning internationalized versions of the error messages depending on the client's language preferences.

File Descriptor use in Apache

Describes how Apache uses file descriptors and talks about various limits imposed on the number of descriptors available by various operating systems.


A description of the causes of Apache processes going into the FIN_WAIT_2 state, and what you can do about it.

Known Client Problems

A list of problems in HTTP clients which can be mitigated by Apache.

Performance Notes - Apache Tuning

Notes about how to (run-time and compile-time) configure Apache for highest performance. Notes explaining why Apache does some things, and why it doesn't do other things (which make it slower/faster).

Security Tips

Some "do"s - and "don't"s - for keeping your Apache web site secure.

URL Rewriting Guide

This document supplements the mod_rewrite reference documentation. It describes how one can use Apache's mod_rewrite to solve typical URL-based problems webmasters are usually confronted with in practice.

Apache Tutorials

A list of external resources which help to accomplish common tasks with the Apache HTTP server.

Relevant Standards

This document acts as a reference page for most of the relevant standards that Apache follows.

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