15 lines
2.7 KiB
HTML
15 lines
2.7 KiB
HTML
<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>letterbomb</title><link rel="stylesheet" href="../../jargon.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.61.0"/><link rel="home" href="../index.html" title="The Jargon File"/><link rel="up" href="../L.html" title="L"/><link rel="previous" href="let-the-smoke-out.html" title="let the smoke out"/><link rel="next" href="lexer.html" title="lexer"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">letterbomb</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="let-the-smoke-out.html">Prev</a> </td><th width="60%" align="center">L</th><td width="20%" align="right"> <a accesskey="n" href="lexer.html">Next</a></td></tr></table><hr/></div><dt><a id="letterbomb"/><dt xmlns="" id="letterbomb"><b>letterbomb</b></dt></dt><dd><p> 1. <span class="grammar">n.</span> A piece of
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<a href="../E/email.html"><i class="glossterm">email</i></a> containing <a href="live-data.html"><i class="glossterm">live data</i></a>
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intended to do nefarious things to the recipient's machine or terminal. It
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used to be possible, for example, to send letterbombs that would lock up
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some specific kinds of terminals when they are viewed, so thoroughly that
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the user must cycle power (see <a href="../C/cycle.html"><i class="glossterm">cycle</i></a>, sense 3) to
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unwedge them. Under Unix, a letterbomb can also try to get part of its
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contents interpreted as a shell command to the mailer. The results of this
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could range from silly to tragic; fortunately it has been some years since
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any of the standard Unix/Internet mail software was vulnerable to such an
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attack (though, as the Melissa virus attack demonstrated in early 1999,
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Microsoft systems can have serious problems). See also
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<a href="../T/Trojan-horse.html"><i class="glossterm">Trojan horse</i></a>; compare <a href="../N/nastygram.html"><i class="glossterm">nastygram</i></a>. </p></dd><dd><p> 2. Loosely, a <a href="../M/mailbomb.html"><i class="glossterm">mailbomb</i></a>.</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="let-the-smoke-out.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="../L.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="lexer.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">let the smoke out </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> lexer</td></tr></table></div></body></html>
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