Publisher review:Apache Server .htaccess is a remake of David Watkins .htaccess that gives better protection to web directories. This is a remake of David Watkins .htaccess that gives better protection to web directories.Could be placed in any directory that you only wish to be access from your own domain(s).Doesn't affect 'include' neither 'require' statmments.
have added: DirectoryIndex default.phpso that with most people that have there servers setup for index.php or index.html they will have no problem with this .htaccess for it simply directs it towards the proper page if you just type inhttp://www.domainname.com/catalog/simple....easy and not hard to replace
Apache Server .htaccess 1.2 is a PHP script for osCommerce Addons scripts design by seCret steVe.
It runs on following operating system: Windows / Linux / BSD.
Operating system:Windows / Linux / BSD
Apache Server .htaccess 1.2 script details 
