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Script Name Your guide to weblet security Weblets are Java programs that run in a browser, using DirectDOM to directly manipulate displayed documents. Like most Web-based programs, weblets pose a threat to system security if they're mishandled. Fortunately, weblets come with built-in security in the form of the Java sandbox. This final installment of a three-part series on DirectDOM and weblet-based development shows you how to use the sandbox to your best advantage. With simple, working examples, this article demonstrates what a weblet can and can't do by default, and also shows you how to get around the constraints of the sandbox when the situation calls for it. A three-pronged solution for identifying users The problem of system security starts with discovering the identity of the user on the other end of the communications link. This article discusses three familiar approaches for identifying users, highlights their strengths and weaknesses (alone and in combinations), and provides some examples of each.

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