xss.conf

xss.conf

# To be included into httpd.conf using:
# Include conf.d/xss.conf

<Directory ~ "/var/www/*/public_html/">
  # Custom rule added by STiplady, Acunetix report scpecifically targets script tags in the request url
  # Block out any script that includes a <script> tag in URL.
  RewriteCond %{REQUEST_URI} (<|%3C)([^s]*s)+cript.*(>|%3E) [NC,OR]

  # Following 4 rules are straight from Joomla .htaccess security rules
  # 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)([^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})

  # If any of the above rules matched eturn 403 Forbidden header
  RewriteRule .* - [F]
</Directory>