62 lines
4.4 KiB
HTML
62 lines
4.4 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="Scenarios: Packet rules" />
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<meta name="abstract" content="Use these scenarios to learn how you can use network address translation (NAT) and IP filtering to protect your network." />
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<meta name="description" content="Use these scenarios to learn how you can use network address translation (NAT) and IP filtering to protect your network." />
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<meta name="DC.Relation" scheme="URI" content="rzajbrzajb0ippacketsecuritysd.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajbrzajb0dexample2.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajbrzajb0eexample3.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajbrzajb0fexample4.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzajbrzajb0gexample5.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2000, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2000, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzajb0a-whyip" />
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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>Scenarios: Packet rules</title>
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</head>
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<body id="rzajb0a-whyip"><a name="rzajb0a-whyip"><!-- --></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">Scenarios: Packet rules</h1>
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<div><p>Use these scenarios to learn how you can use network address translation
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(NAT) and IP filtering to protect your network. </p>
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<div class="section"><p>Each scenario includes a diagram and sample configuration.</p>
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</div>
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<div class="section"><div class="p"><div class="tip"><span class="tiptitle">Tip:</span> In each scenario, the <samp class="codeph">192.x.x.x</samp> IP
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addresses represent public IP addresses. All addresses are for example purposes
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only.</div>
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</div>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzajbrzajb0dexample2.htm">Scenario: Map IP addresses using NAT</a></strong><br />
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In this scenario, your company uses static network address translation (NAT) to map its private IP addresses to public addresses.</li>
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<li class="ulchildlink"><strong><a href="rzajbrzajb0eexample3.htm">Scenario: Create filter rules to allow HTTP, Telnet, and FTP</a></strong><br />
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In this scenario, your company uses IP filtering to restrict the IP traffic that can access its Web server to HTTP, Telnet, and FTP.</li>
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<li class="ulchildlink"><strong><a href="rzajbrzajb0fexample4.htm">Scenario: Combine NAT and IP filtering</a></strong><br />
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In this scenario, your company combines network address translation (NAT) and IP filtering together. Your company wants to hide its personal computers and Web server behind a single, public, IP address and to allow other companies to access the Web server.</li>
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<li class="ulchildlink"><strong><a href="rzajbrzajb0gexample5.htm">Scenario: Hide IP addresses using masquerade NAT</a></strong><br />
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In this scenario, your company uses masquerade network address translation (NAT) to hide the private addresses of your personal computers. At the same time, your company allows your employees to access the Internet.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajbrzajb0ippacketsecuritysd.htm" title="IP filtering and network address translation (NAT) act like a firewall to protect your internal network from intruders.">IP filtering and network address translation</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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