Open Door Networks

The DoorStop X Security Suite
Learn. Protect. Understand.
DoorStop X Security Suite icon
Download the Suite and Suite components

The DoorStop X Security Suite is an integrated, comprehensive approach to securing your Macintosh on the Internet. You can download an evaluation version of the Suite on this page, as well as link to the individual component download pages. Evaluation versions are fully functional, but expire after 30 days.

The full Suite
DoorStop Suite icon The DoorStop X Security Suite version 2.4 - download the full Suite (evaluation version) now

Suite components
DoorStop icon The DoorStop X Firewall - download version 2.4 of DoorStop X
Who's There? icon The Who's There? Firewall Advisor - download version 2.3 of Who's There?
Book icon "Internet Security for Your Macintosh - A Guide for the Rest of Us" - view a sample chapter from the third edition of our book

Open Door Networks has been securing the Mac since 1998 and Mac OS 8. We literally wrote the book on Internet security.