Should be a pretty simple one:
I've got a directory that I have dropped into my Silverstripe root directory called "custom". In this directory, I have a php page called index.php, amongst others.
Obviously, when I try to open www.domain.com/custom/, The SS rewrite engine kicks in and tries to find a CMS page that doesn't exist.
How can I modify this behavior on a per directory basis?
And, no, I don't want to use a redirector page either. These pages are all process pages and I don't want them in the SiteTree.