54 lines
3.4 KiB
HTML
54 lines
3.4 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Risk: Trust signed applets" />
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<meta name="abstract" content="This topic describes security risks from signed Java applets and provides recommendations for reducing these risks." />
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<meta name="description" content="This topic describes security risks from signed Java applets and provides recommendations for reducing these risks." />
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<meta name="DC.Relation" scheme="URI" content="rzamvsecurityinternet.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="riskapplets" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Risk: Trust signed applets</title>
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</head>
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<body id="riskapplets"><a name="riskapplets"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Risk: Trust signed applets</h1>
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<div><p>This topic describes security risks from signed Java™ applets
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and provides recommendations for reducing these risks.</p>
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<p>Your users might have followed your advice and set up their browsers to
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prevent applets from writing to any PC drives. However, your PC users need
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to be aware that a signed applet can override the setting for their browser.</p>
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<p>A signed applet has an associated digital signature to establish its authenticity.
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When a user accesses a Web page that has a signed applet, the user sees a
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message. The message indicates the applet’s signature, who signed it and when
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it was signed. When your user accepts the applet, the user grants the applet
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an override to the security settings for the browser. The signed applet can
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write to the PC’s local drives, even though the default setting for the browser
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prevents it. The signed applet can also write to mapped drives on your server
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because they appear to the PC to be local drives.</p>
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<p>For your own Java applets that come from your server, you might need
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to use signed applets. However, you should instruct your users in not
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to accept signed applets from unknown sources.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzamvsecurityinternet.htm" title="Use this information to learn about common security threats from using Internet browsers.">Security considerations for internet browsers</a></div>
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</div>
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</div>
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</body>
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</html>
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