POWER OF ATTORNEY
Know all persons by these presents, that the undersigned hereby constitutes and appoints
Steven N. Moore and Michael C. Piraino, or either of them, the undersigned's true and lawful
attorney-in-fact to:
(1)        execute for and on behalf of the undersigned, in the undersigned's capacity as an
officer and/or director of WatchGuard Technologies, Inc. (the "Company"),
Forms 3, 4s and 5s in accordance with Section 16(a) of the Securities Exchange
Act of 1934, as amended, and the rules and regulations thereunder;
(2)        do and perform any and all acts for and on behalf of the undersigned that may be
necessary or desirable to complete and execute any such Forms 3, 4s and 5s and
timely file such form with the United States Securities and Exchange Commission
and any stock exchange or similar authority; and
(3)        take any o ther action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such attorney-in-
fact's discretion.
The undersigned hereby grants to such attorney-in-fact full power and authority to do and
perform each and every act and thing whatsoever requisite, necessary or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of substitution and
revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-
fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of
attorney and the rights and powers herein granted. The undersigned acknowledges that the
foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not
assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934, as amended.
The undersigned agrees that such attorney-in-fact may rely entirely on information
furnished orally or in writing by the undersigned to such attorney-in-fact. The undersigned also
agrees to indemnify and hold harmless the Company and such attorney-in-fact against any losses,
claims, damages or liabilities (or actions in these respects) that arise out of or are based on any
untrue statement or omission of necessary facts in the information provided by the undersigned
to such attorney-in-fact for purposes of executing, acknowledging, delivering and fili ng Forms 3,
4s or 5s (including amendments thereto) and agrees to reimburse the Company and such
attorney-in-fact for any legal or other expenses reasonably incurred in connection with
investigating or defending against any such loss, claim, damage, liability or action.
This Power of Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4s and 5s with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorney-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 29th day of July, 2003.

        /s/ Dale Bastian        
                Dale Bastian
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