Ticket #11845: 11845.2.diff

wp-admin/network.php

@@ -283 +283 @@
 // Construct an htaccess file.
 $htaccess_file = 'RewriteEngine On
 RewriteBase ' . $base . '
+RewriteRule ^index\.php$ - [L]
 
 # uploaded files
 RewriteRule ^' . ( $vhost ? '([_0-9a-zA-Z-]+/)?' : '' ) . 'files/(.+) wp-includes/ms-files.php?file=$2 [L]' . "\n";

wp-includes/rewrite.php

@@ -1683 +1683 @@
                 $rules = "<IfModule mod_rewrite.c>\n";
                 $rules .= "RewriteEngine On\n";
                 $rules .= "RewriteBase $home_root\n";
+                $rules .= "RewriteRule ^index\.php$ - [L]"; // Prevent -f checks on index.php.
 
                 //add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all)
                 foreach ( (array) $this->non_wp_rules as $match => $query) {