ether/etherpad-lite — pull request #1250 by itguy51 (2012-12-03 15:56:14+00:00)
Title: PadID Sanitization Steps

This should disallow any entry of some characters as PadIDs via both the API and the index.html page. This also adds a catch-all handler, so anything after the /p/ part of the URL (If not linked to a handler) will be 404'ed and say "Such a padname is forbidden"