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Dale Nielsen

ROBERT HASKINS works for Renesys Corporation, a leader in real-time Internet connectivity monitoring and reporting. He has been a Unix system administrator since graduating from the University of Maine with a degree in computer science. Robert has fought spam in many environments, including enterprises, cable modem ISP, network equipment manufacturer, wholesale dialup ISP, competitive local exchange carrier, and traditional ISP. He has presented on the topic of fighting spam at NANGOG, FBI Boston Infragard, and LISA. Robert writes a regular technical column called "ISPadmin" on service provider topics for USENIX's ;login:. He is a member of USENIX, SAGE, and IEEE.

DALE NIELSEN is a partner in Avacoda, LLC, a consulting company specializing in systems administration and software development. He has worked as a systems administrator since receiving his degree in computer science from the University of Massachusetts. He has more than twenty years of experience administering Unix- and Linux-based mail servers, firewalls, and workstations. He has worked in a variety of engineering and software development environments, and has taught courses in systems administration at Sun Microsystems. Recently, he's done consulting work for clients including Nortel Networks and Ziplink. He has written about Linux-based firewalls for the Linux Journal.

Robert and Dale have developed a patent-pending method to reduce spam for Ziplink, Inc.

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