55 lines
3.1 KiB
HTML
55 lines
3.1 KiB
HTML
<?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="reference" />
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<meta name="DC.Title" content="Example: Perpetual echo policy" />
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<meta name="abstract" content="This example is of an IDS attack-type policy that targets perpetual echoes on local port 7 and remote port 7." />
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<meta name="description" content="This example is of an IDS attack-type policy that targets perpetual echoes on local port 7 and remote port 7." />
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<meta name="DC.Relation" scheme="URI" content="rzaubconfig.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="rzaubexampleperpetual" />
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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>Example: Perpetual echo policy</title>
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</head>
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<body id="rzaubexampleperpetual"><a name="rzaubexampleperpetual"><!-- --></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">Example: Perpetual echo policy</h1>
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<div><p>This example is of an IDS attack-type policy that targets perpetual
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echoes on local port 7 and remote port 7. </p>
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<div class="section"><p>UDP port 7 is the echo port. In an attack, if the
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header specifies the source and target ports as port 7, the UDP datagram echoes
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back and forth between the local port 7 and the remote UDP port 7.</p>
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<p>This
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example uses the same IDS action, <samp class="codeph">idsact2</samp>, as the <a href="rzaubexamplerestricted.htm#rzaubexamplerestricted">Example: Restricted IP protocol policy</a> example.</p>
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</div>
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<div class="section"><pre> ibm-idsConditionAuxClass idscond5 # IDS condition
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{
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ibm-idsConditionType ATTACK
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ibm-idsAttackType PERPETUAL_ECHO
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ibm-idsLocalPortRange 7
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ibm-idsRemotePortRange 7
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ibm-policyIdsActionName idsact2
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}</pre>
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</div>
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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="rzaubconfig.htm" title="Learn the steps for changing your intrusion detection policy file.">Change the intrusion detection policy file</a></div>
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</div>
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</div>
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</body>
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</html> |