.htaccess security rules

.htaccess

## Block base64 injections
RewriteCond %{QUERY_STRING} base64_encode[^(]*\([^)]*\) [OR]

# Block out any script that includes a <script> tag in URL.
RewriteCond %{QUERY_STRING} (<|%3C)([^s]*s)+cript.*(>|%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})

# Return 403 Forbidden header and show the content of the root homepage
RewriteRule .* index.php [F]

########## Begin - File injection protection, by SigSiu.net
RewriteCond %{REQUEST_METHOD} GET
RewriteCond %{QUERY_STRING} [a-zA-Z0-9_]=http:// [OR]
RewriteCond %{QUERY_STRING} [a-zA-Z0-9_]=(\.\.//?)+ [OR]
RewriteCond %{QUERY_STRING} [a-zA-Z0-9_]=/([a-z0-9_.]//?)+ [NC]
RewriteRule .* - [F]
########## End - File injection protection

## Explicitly allow access only to XML-RPC's xmlrpc/index.php or plain xmlrpc/ directory
RewriteRule ^xmlrpc/(index\.php)?$ - [L]
RewriteRule ^xmlrpc/ - [F]

<IfModule mod_headers.c>
	Header set X-Content-Type-Options nosniff
	Header set X-XSS-Protection "1; mode=block"
	Header set X-Frame-Options: "sameorigin"
	Header unset X-Powered-By
</IfModule>

# Protect htaccess#
<Files ~ "^.*.([Hh][Tt][Aa])">
	order allow,deny
	deny from all
	satisfy all
</Files>