OPEN DOOR NETWORKS SHIPS WHO'S THERE? FIREWALL ADVISOR FOR MAC OS X VERSION 1.2

ADDS SUPPORT FOR MAC OS X SERVER, BRICKHOUSE, OTHER POPULAR FIREWALLS

ASHLAND, OR. -- March 4, 2002 -- Open Door Networks Inc. today announced that it was shipping version 1.2 of its Who's There? Firewall Advisor for Mac OS X. Who's There? Firewall Advisor enhances Macintosh Internet security by helping users analyze, investigate and respond to access attempts to their Macintosh. Who's There? 1.2, a free upgrade for all registered Mac OS X users (there are no changes for OS 9 users), provides support for the firewall built into Mac OS X Server, the popular Brickhouse shareware firewall, and any other firewall that uses Mac OS X's built-in firewall and logging capabilities.

Who's There? Firewall Advisor for Mac OS X continues to also support Symantec's Norton Personal Firewall and any other firewall that uses the Macintosh-standard "WebSTAR" log format. The free 1.2 upgrade, a free evaluation version of the product itself and additional details on the product are available directly from the Who's There? Web site at http://www.opendoor.com/whosthere/ . Who's There? can also be purchased from the site, in versions specific to both Mac OS 9 and X, each of which has significantly different security characteristics.

Open Door Networks, Inc. is a leading provider of Internet security solutions for the Macintosh. Open Door was founded in 1995 by Alan Oppenheimer, co-creator of the AppleTalk network system and co-author of the book "Internet Security for Your Macintosh: A Guide for the Rest of Us." Open Door's mission is to provide Macintosh users with Internet solutions that are as easy-to-use and as powerful as the Macintosh itself. Open Door Networks is based in Ashland, Oregon.

DoorStop and "Who's There?" Firewall Advisor are trademarks of Open Door Networks, Inc. Other trademarks are held by their respective owners.