51 lines
3.3 KiB
HTML
51 lines
3.3 KiB
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="Prevent dial-in users from accessing other systems" />
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<meta name="abstract" content="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." />
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<meta name="description" content="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." />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Prevent dial-in users from accessing other systems</title>
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</head>
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<body id="tcppreventdialin"><a name="tcppreventdialin"><!-- --></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">Prevent dial-in users from accessing other systems</h1>
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<div><p>Depending on your system and network configuration, a user who
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starts a SLIP connection might be able to access another system in your network
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without signing on to your system.</p>
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<p>For example, a user could establish a SLIP connection to your system. Then
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the user could establish an FTP connection to another system in your network
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that does not allow dial-in. </p>
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<p>You can prevent a SLIP user from accessing other systems in your network
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by specifying N (No) for the Allow IP datagram forwarding field in the configuration
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profile. This prevents a user from accessing your network before the user
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logs on to your system. However, after the user has successfully logged on
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to your system, the datagram forwarding value has no effect. It does not limit
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the user’s ability to use a TCP/IP application on your iSeries™ system (such as FTP or TELNET),
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to establish a connection with another system in your network.</p>
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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="rzamvtcpslip.htm" title="TCP/IP support includes Serial Interface Line Protocol (SLIP).">Security considerations for using SLIP</a></div>
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</div>
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</div>
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</body>
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</html> |