55 lines
3.1 KiB
HTML
55 lines
3.1 KiB
HTML
|
<?xml version="1.0" encoding="UTF-8"?>
|
||
|
|
<!DOCTYPE html
|
||
|
|
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
||
|
|
<html lang="en-us" xml:lang="en-us">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
||
|
|
<meta name="security" content="public" />
|
||
|
|
<meta name="Robots" content="index,follow" />
|
||
|
|
<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))' />
|
||
|
|
<meta name="DC.Type" content="reference" />
|
||
|
|
<meta name="DC.Title" content="Example: Perpetual echo policy" />
|
||
|
|
<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." />
|
||
|
|
<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." />
|
||
|
|
<meta name="DC.Relation" scheme="URI" content="rzaubconfig.htm" />
|
||
|
|
<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
|
||
|
|
<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2006" />
|
||
|
|
<meta name="DC.Format" content="XHTML" />
|
||
|
|
<meta name="DC.Identifier" content="rzaubexampleperpetual" />
|
||
|
|
<meta name="DC.Language" content="en-us" />
|
||
|
|
<!-- All rights reserved. Licensed Materials Property of IBM -->
|
||
|
|
<!-- US Government Users Restricted Rights -->
|
||
|
|
<!-- Use, duplication or disclosure restricted by -->
|
||
|
|
<!-- GSA ADP Schedule Contract with IBM Corp. -->
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
|
||
|
|
<link rel="stylesheet" type="text/css" href="./ic.css" />
|
||
|
|
<title>Example: Perpetual echo policy</title>
|
||
|
|
</head>
|
||
|
|
<body id="rzaubexampleperpetual"><a name="rzaubexampleperpetual"><!-- --></a>
|
||
|
|
<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
|
||
|
|
<h1 class="topictitle1">Example: Perpetual echo policy</h1>
|
||
|
|
<div><p>This example is of an IDS attack-type policy that targets perpetual
|
||
|
|
echoes on local port 7 and remote port 7. </p>
|
||
|
|
<div class="section"><p>UDP port 7 is the echo port. In an attack, if the
|
||
|
|
header specifies the source and target ports as port 7, the UDP datagram echoes
|
||
|
|
back and forth between the local port 7 and the remote UDP port 7.</p>
|
||
|
|
<p>This
|
||
|
|
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>
|
||
|
|
</div>
|
||
|
|
<div class="section"><pre> ibm-idsConditionAuxClass idscond5 # IDS condition
|
||
|
|
{
|
||
|
|
ibm-idsConditionType ATTACK
|
||
|
|
ibm-idsAttackType PERPETUAL_ECHO
|
||
|
|
ibm-idsLocalPortRange 7
|
||
|
|
ibm-idsRemotePortRange 7
|
||
|
|
ibm-policyIdsActionName idsact2
|
||
|
|
}</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div>
|
||
|
|
<div class="familylinks">
|
||
|
|
<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>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|