[Joomla] Come utilizzare l'URL Rewrite (mod_rewrite) senza incorrere nell'errore 500

[miki92]

Di seguito sono elencati i codici .htaccess delle varie versioni di Joomla modificati appositamente per funzionare con AlterVista e per non incorrere in un errore 500 (Internal Server Error) che spesso capita per colpa della corretta configurazione di questo file.

NOTA BENE

1. I codici .htaccess variano di poco ma è comunque consigliato utilizzare quello di ogni versione.
2. Non c'è differenza tra i codici in versione "Full" e "Light" in quanto i codici "Full" sono quelli che comprendono anche i commenti ufficiali di Joomla mentre invece le versioni "Light" sono sprovviste di commenti e senza quelle righe di codice che compromettono il funzionamento su AlterVista.

CODICI (Full e Light)

Versione 1.5.x (Full)

## 
# @version $Id: htaccess.txt 10492 2008-07-02 06:38:28Z ircmaxell $ 
# @package Joomla 
# @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved. 
# @license http://www.gnu.org/copyleft/gpl.html GNU/GPL 
# Joomla! is Free Software 
## 


################################################## ### 
# READ THIS COMPLETELY IF YOU CHOOSE TO USE THIS FILE 
# 
# The line just below this section: 'Options +FollowSymLinks' may cause problems 
# with some server configurations. It is required for use of mod_rewrite, but may already 
# be set by your server administrator in a way that dissallows changing it in 
# your .htaccess file. If using it causes your server to error out, comment it out (add # to 
# beginning of line), reload your site in your browser and test your sef url's. If they work, 
# it has been set by your server administrator and you do not need it set here. 
# 
################################################## ### 

## Can be commented out if causes errors, see notes above. 
#Options +FollowSymLinks 

# 
# mod_rewrite in use 

RewriteEngine On 

########## Begin - Rewrite rules to block out some common exploits 
## If you experience problems on your site block out the operations listed below 
## This attempts to block the most common type of exploit `attempts` to Joomla! 
# 
# Block out any script trying to set a mosConfig value through the URL 
RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|%3D) [OR] 
# Block out any script trying to base64_encode crap to send via URL 
RewriteCond %{QUERY_STRING} base64_encode.*(.*) [OR] 
# Block out any script that includes a <script> tag in URL 
RewriteCond %{QUERY_STRING} (<|%3C).*script.*(>|%3E) [NC,OR] 
# Block out any script trying to set a PHP GLOBALS variable via URL 
RewriteCond %{QUERY_STRING} GLOBALS(=|[|%[0-9A-Z]{0,2}) [OR] 
# Block out any script trying to modify a _REQUEST variable via URL 
RewriteCond %{QUERY_STRING} _REQUEST(=|[|%[0-9A-Z]{0,2}) 
# Send all blocked request to homepage with 403 Forbidden error! 
RewriteRule ^(.*)$ index.php [F,L] 
# 
########## End - Rewrite rules to block out some common exploits 

# Uncomment following line if your webserver's URL 
# is not directly related to physical file paths. 
# Update Your Joomla! Directory (just / for root) 

RewriteBase / 


########## Begin - Joomla! core SEF Section 
# 
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_URI} !^/index.php 
RewriteCond %{REQUEST_URI} (/|.php|.html|.htm|.feed|.pdf|.raw|/[^.]*)$ [NC] 
RewriteRule (.*) index.php 
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L] 
# 
########## End - Joomla! core SEF Section 

Versione 1.5.x (Light)

RewriteEngine On 

RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|%3D) [OR] 
RewriteCond %{QUERY_STRING} base64_encode.*(.*) [OR] 
RewriteCond %{QUERY_STRING} (<|%3C).*script.*(>|%3E) [NC,OR] 
RewriteCond %{QUERY_STRING} GLOBALS(=|[|%[0-9A-Z]{0,2}) [OR] 
RewriteCond %{QUERY_STRING} _REQUEST(=|[|%[0-9A-Z]{0,2}) 
RewriteRule ^(.*)$ index.php [F,L] 

RewriteBase / 

RewriteCond %{REQUEST_FILENAME} !-f 
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_URI} !^/index.php 
RewriteCond %{REQUEST_URI} (/|.php|.html|.htm|.feed|.pdf|.raw|/[^.]*)$ [NC] 
RewriteRule (.*) index.php 
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L] 

Versione 1.6.x (Full)

##
# @version        $Id: htaccess.txt 20196 2011-01-09 02:40:25Z ian $
# @package        Joomla
# @copyright    Copyright (C) 2005 - 2011 Open Source Matters. All rights reserved.
# @license        GNU General Public License version 2 or later; see LICENSE.txt
##

##
# READ THIS COMPLETELY IF YOU CHOOSE TO USE THIS FILE!
#
# The line just below this section: 'Options +FollowSymLinks' may cause problems
# with some server configurations.  It is required for use of mod_rewrite, but may already
# be set by your server administrator in a way that dissallows changing it in
# your .htaccess file.  If using it causes your server to error out, comment it out (add # to
# beginning of line), reload your site in your browser and test your sef url's.  If they work,
# it has been set by your server administrator and you do not need it set here.
##

## Can be commented out if causes errors, see notes above.
#Options +FollowSymLinks

## Mod_rewrite in use.

RewriteEngine On

## Begin - Rewrite rules to block out some common exploits.
# If you experience problems on your site block out the operations listed below
# This attempts to block the most common type of exploit `attempts` to Joomla!
#
# Block out any script trying to base64_encode data within the URL.
RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [OR]
# Block out any script that includes a <script> tag in URL.
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
# Block out any script trying to set a PHP GLOBALS variable via URL.
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
# Block out any script trying to modify a _REQUEST variable via URL.
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
# Send all blocked request to homepage with 403 Forbidden error!
RewriteRule ^(.*)$ index.php [F,L]
#
## End - Rewrite rules to block out some common exploits.

##
# Uncomment following line if your webserver's URL
# is not directly related to physical file paths.
# Update Your Joomla! Directory (just / for root).
##

RewriteBase /

## Begin - Joomla! core SEF Section.
#
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} (/component/) [OR]
RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$  [NC]
RewriteRule (.*) index.php
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]
#
## End - Joomla! core SEF Section. 

Versione 1.6.x (Light)

RewriteEngine On

RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [OR]
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
RewriteRule ^(.*)$ index.php [F,L]

RewriteBase /

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !^/index.php
RewriteCond %{REQUEST_URI} (/component/) [OR]
RewriteCond %{REQUEST_URI} (/|\.php|\.html|\.htm|\.feed|\.pdf|\.raw|/[^.]*)$  [NC]
RewriteRule (.*) index.php
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L] 

PERSONALIZZAZIONE MANUALE
Se si desidera modificare manualmente il codice .htaccess di Joomla si deve essere a conoscenza del fatto che:

1. La riga Options +FollowSymLinks deve essere commentata.
2. La riga #RewriteBase / deve essere decommentata.

Tutti i codici .htaccess per il mod_rewrite di Joomla