commit 4d83117332d2e3034249857d8f09d925e1c3071b
Author: J. Fernando Sánchez <balkian@gmail.com>
Date:   Thu Dec 3 11:14:42 2015 +0100

diff --git a/htaccess.md b/htaccess.md
new file mode 100644
index 0000000..13e7182
--- /dev/null
+++ b/htaccess.md
@@ -0,0 +1,10 @@
+# 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})
+# Return 403 Forbidden header and show the content of the root homepage
+RewriteRule .* index.php [F]