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                                                                    EXHIBIT 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

  We consent to the incorporation by reference in the Registration Statement
(Form S-8 No. 333-84081) pertaining to the WatchGuard Technologies, Inc. 1999
Stock Purchase Plan and the WatchGuard Technologies, Inc. 1996 Stock Incentive
Compensation Plan of our report dated February 4, 2000, with respect to the
financial statements and schedule of WatchGuard Technologies, Inc. included in
the Annual Report (Form 10-K/A) for the year ended December 31, 1999.

                                                  ERNST & YOUNG LLP

Seattle, Washington
August 10, 2000



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