Htaccess examples (security): Difference between revisions
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== .htaccess examples == | == .htaccess examples == | ||
=== Rewrite rules to block out some common exploits== | |||
<nowiki>##</nowiki> If you experience problems on your site block out the operations listed below | |||
<nowiki>##</nowiki> This attempts to block the most common type of exploit `attempts` to Joomla! | |||
<nowiki>#</nowiki> Block out any script trying to set a mosConfig value through the URL | |||
RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|\%3D) [OR] | |||
<nowiki>#</nowiki> Block out any script trying to base64_encode crap to send via URL | |||
RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [OR] | |||
<nowiki>#</nowiki> Block out any script that includes a <script> tag in URL | |||
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR] | |||
<nowiki>#</nowiki> Block out any script trying to set a PHP GLOBALS variable via URL | |||
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR] | |||
<nowiki>#</nowiki> Block out any script trying to modify a _REQUEST variable via URL | |||
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2}) | |||
<nowiki>#</nowiki> Send all blocked request to homepage with 403 Forbidden error! | |||
RewriteRule ^(.*)$ index.php [F,L] | |||
<nowiki>##</nowiki> End - Rewrite rules to block out some common exploits | |||
Revision as of 16:36, 6 March 2009
.htaccess examples
= 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