Apache Cheat Sheet

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Apache Cheat Sheet

Setup a Virtual Domain

NameVirtualHost *

  DocumentRoot /web/example.com/www
  ServerName www.example.com
  _ServerAlias example.com
  CustomLog /web/example.com/logs/access.log combined
  ErrorLog /web/example.com/logs/error.log_

Include another conf file

Include /etc/apache/virtual-hosts/*.conf

Hide apache version info

ServerSignature Off
ServerTokens Prod

Custom 404 Error message

ErrorDocument 404 /404.html

Create a virtual directory (mod_alias)

Alias /common /web/common

Perminant redirect (mod_alias)

Redirect permanent /old http://example.com/new

Create a cgi-bin

ScriptAlias /cgi-bin/ /web/cgi-bin/

Process .cgi scripts

AddHandler cgi-script .cgi

Add a directory index

DirectoryIndex index.cfm index.cfm

Turn off directory browsing

Options -Indexes

Turn on directory browsing

  Options +Indexes

Create a new user for basic auth (command line)

htpasswd -c /etc/apacheusers

Apache basic authentication

AuthName "Authentication Required"
AuthType Basic
AuthUserFile /etc/apacheusers
Require valid-user

Only allow access from a specific IP

Order Deny,Allow
Deny from all
Allow from 127.0.0.1

Only allow access from your subnet

Order Deny,Allow
Deny from all
Allow from 176.16.0.0/16

mod_rewrite

Turn on the rewrite engine

RewriteEngine On

Redirect /news/123 to /news.cfm?id=123

RewriteRule ^/news/([0-9]+)$ /news.cfm?id=$1 [PT,L]

Redirect www.example.com to example.com

RewriteCond %{HTTP_HOST} ^www.example.com$ [NC]
RewriteRule ^(.*)$ http://example.com$1 [R=301,L]

This is a work in progress - Questions, comments, criticism, or requests can be directed Here

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Copyright © 2005 Peter Freitag (http://www.petefreitag.com/), All Rights Reserved.
This document may be printed freely as long as this notice stays intact.