84 lines
5.4 KiB
HTML
84 lines
5.4 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 name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Security considerations for using SLIP" />
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<meta name="abstract" content="TCP/IP support includes Serial Interface Line Protocol (SLIP)." />
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<meta name="description" content="TCP/IP support includes Serial Interface Line Protocol (SLIP)." />
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<meta name="DC.Relation" scheme="URI" content="rzamvtcpsetupsecurity.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzamvtcpdialin.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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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Security considerations for using SLIP</title>
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</head>
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<body id="tcpslip"><a name="tcpslip"><!-- --></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">Security considerations for using SLIP</h1>
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<div><p>TCP/IP support includes Serial Interface Line Protocol (SLIP). </p>
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<p>SLIP provides low-cost point-to-point connectivity. A SLIP user can connect
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to a LAN or a WAN by establishing a point-to-point connection with a system
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that is part of the LAN or WAN. SLIP runs on an asynchronous connection. You
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can use SLIP for dial-up connection to and from iSeries™ servers. </p>
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<p>For example, you might use SLIP to dial in from your PC to an iSeries system.
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After the connection is established, you can use the TELNET application on
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your PC to connect to the iSeries TELNET server. Or, you can use the FTP application
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to transfer files between the two systems. </p>
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<p>No SLIP configuration exists on your system when it ships. Therefore, if
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you do not want SLIP (and dial-up TCP/IP) to run on your system, do not configure
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any configuration profiles for SLIP. You use the Work with TCP/IP Point-to-Point
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(WRKTCPPTP) command to create SLIP configurations. You must have *IOSYSCFG
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special authority to use the WRKTCPPTP command.</p>
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<div class="p">If you want SLIP to run on your system, you create one or more SLIP (point-to-point)
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configuration profiles. You can create configuration profiles with the following
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operating modes:<ul><li>Dial in (*ANS)</li>
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<li>Dial out (*DIAL)</li>
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</ul>
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<div class="note"><span class="notetitle">Note:</span> A user profile is system object that allows signon. Every system
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job must have a user profile to run. A configuration profile stores information
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that is used to establish a SLIP connection with an iSeries system. When you start a SLIP
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connection to iSeries servers,
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you are simply establishing a link. You have not yet signed on and started
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an iSeries server
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job. Therefore, you do not necessarily need a user profile to start a SLIP
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connection to iSeries servers.
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However, as you will see in the discussions that follow, the SLIP configuration
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profile may require a user profile to determine whether to allow the connection.</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="rzamvtcpdialin.htm">Secure dial-in SLIP connections</a></strong><br />
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Before someone can establish a dial-in connection to your system with SLIP, you must start a SLIP *ANS configuration profile.</li>
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<li class="ulchildlink"><strong><a href="rzamvtcppreventdialin.htm">Prevent dial-in users from accessing other systems</a></strong><br />
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Depending on your system and network configuration, a user who starts a SLIP connection might be able to access another system in your network without signing on to your system.</li>
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<li class="ulchildlink"><strong><a href="rzamvtcpdialout.htm">Control dial-out sessions</a></strong><br />
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Before someone can use SLIP to establish a dial-out connection from your system, you must start a SLIP *DIAL configuration profile.</li>
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<li class="ulchildlink"><strong><a href="rzamvtcpsecdialout.htm">Secure dial-out sessions</a></strong><br />
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Users on your iSeries system might want to establish dial-out connections
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to systems that require user validation.</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="rzamvtcpsetupsecurity.htm" title="The following information guides you through the process of setting up TCP/IP security.">Set up TCP/IP security</a></div>
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</div>
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</div>
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</body>
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