168 lines
5.5 KiB
HTML
168 lines
5.5 KiB
HTML
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<!doctype html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head><META http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Change DDM TCP/IP Attributes (CHGDDMTCPA)</title>
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body bgcolor="white">
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<a name="CHGDDMTCPA.Top_Of_Page"></a>
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<h2>Change DDM TCP/IP Attributes (CHGDDMTCPA)</h2>
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<table width="100%">
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<tr>
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<td valign="top" align="left"><b>Where allowed to run: </b>All environments (*ALL)<br>
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<b>Threadsafe: </b>No
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</td>
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<td valign="top" align="right">
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<a href="#CHGDDMTCPA.PARAMETERS.TABLE">Parameters</a><br>
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<a href="#CHGDDMTCPA.COMMAND.EXAMPLES">Examples</a><br>
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<a href="#CHGDDMTCPA.ERROR.MESSAGES">Error messages</a></td>
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</tr>
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</table>
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<div> <a name="CHGDDMTCPA"></a>
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<p>The Change DDM TCP/IP Attributes (CHGDDMTCPA) command provides an interface to configure parameters for the use of DDM or DRDA over TCP/IP.
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</p>
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<p><b>Restrictions:</b>
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</p>
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<p>*IOSYSCFG special authority is needed to use this command.
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</p>
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</div>
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<table width="100%">
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<tr><td align="right"><a href="#CHGDDMTCPA.Top_Of_Page">Top</a></td></tr>
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</table>
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<hr size="2" width="100%">
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<div>
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<h3><a name="CHGDDMTCPA.PARAMETERS.TABLE">Parameters</a></h3>
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<table border="1" cellpadding="4" cellspacing="0">
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<!-- col1="10" col2="15" col3="30" col4="10" -->
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<tr>
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<th bgcolor="aqua" valign="bottom" align="left">Keyword</th>
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<th bgcolor="aqua" valign="bottom" align="left">Description</th>
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<th bgcolor="aqua" valign="bottom" align="left">Choices</th>
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<th bgcolor="aqua" valign="bottom" align="left">Notes</th>
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</tr>
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<tr>
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<td valign="top"><a href="#CHGDDMTCPA.AUTOSTART"><b>AUTOSTART</b></a></td>
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<td valign="top">Autostart server</td>
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<td valign="top">*NO, *YES, <b><u>*SAME</u></b></td>
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<td valign="top">Optional, Positional 1</td>
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</tr>
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<tr>
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<td valign="top"><a href="#CHGDDMTCPA.PWDRQD"><b>PWDRQD</b></a></td>
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<td valign="top">Password required</td>
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<td valign="top">*NO, *YES, *ENCRYPTED, *VLDONLY, *KERBEROS, <b><u>*SAME</u></b></td>
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<td valign="top">Optional</td>
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</tr>
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</table>
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<table width="100%">
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<tr><td align="right"><a href="#CHGDDMTCPA.Top_Of_Page">Top</a></td></tr>
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</table>
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</div>
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<div> <a name="CHGDDMTCPA.AUTOSTART"></a>
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<h3>Autostart server (AUTOSTART)</h3>
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<p>Specifies whether to automatically start the DDM server when TCP/IP is started by the Start TCP/IP (STRTCP) command. The parameter takes effect the next time the STRTCP command is run. It also causes the DDM server to start when selected TCP/IP servers are started with the STRTCPSVR SERVER(*AUTOSTART) command.
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</p>
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<p>The possible values are:
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</p>
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<dl>
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<dt><b><u>*SAME</u></b></dt>
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<dd>The value does not change.
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</dd>
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</dl>
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<dl>
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<dt><b>*YES</b></dt>
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<dd>Start the DDM TCP/IP server.
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</dd>
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<dt><b>*NO</b></dt>
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<dd>Do not start the DDM TCP/IP server when starting TCP/IP, or when running the STRTCPSVR SERVER(*AUTOSTART) command.
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</dd>
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</dl>
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</div>
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<table width="100%">
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<tr><td align="right"><a href="#CHGDDMTCPA.Top_Of_Page">Top</a></td></tr>
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</table>
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<div> <a name="CHGDDMTCPA.PWDRQD"></a>
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<h3>Password required (PWDRQD)</h3>
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<p>Specifies the minimum level of password security required when a client system connects to this system as a server. This parameter takes effect on the next DRDA or DDM connect request over TCP/IP.
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</p>
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<p>The possible values are:
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</p>
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<dl>
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<dt><b><u>*SAME</u></b></dt>
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<dd>The value does not change.
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</dd>
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</dl>
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<dl>
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<dt><b>*YES</b></dt>
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<dd>Refuse the connection if a DDM connection request does not contain a password associated with the userid.
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</dd>
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<dt><b>*NO</b></dt>
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<dd>Do not require a password on a DDM connection request. If a password is sent, it is ignored. See also *VLDONLY description.
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</dd>
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<dt><b>*ENCRYPTED</b></dt>
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<dd>Require the sending of an encrypted password along with the userid by a remote client system attempting to connect.
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</dd>
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<dt><b>*VLDONLY</b></dt>
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<dd>Do not require a password on a DDM connection request. If a password is sent, however, it must be valid for the associated userid.
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</dd>
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<dt><b>*KERBEROS</b></dt>
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<dd>Authentication occurs using Kerberos.
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</dd>
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</dl>
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</div>
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<table width="100%">
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<tr><td align="right"><a href="#CHGDDMTCPA.Top_Of_Page">Top</a></td></tr>
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</table>
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<hr size="2" width="100%">
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<div><h3><a name="CHGDDMTCPA.COMMAND.EXAMPLES">Examples</a> </h3>
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<p><b>Example 1: Displaying the Change DDM TCP/IP Attributes Display</b>
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</p>
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<p>
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<pre>
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CHGDDMTCPA
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</pre>
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</p>
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<p>This command, when prompted, shows the current DDM TCP/IP attribute values.
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</p>
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<p><b>Example 2: Starting the DDM TCP/IP Server Automatically</b>
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</p>
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<p>
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<pre>
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CHGDDMTCPA AUTOSTART(*YES)
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</pre>
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</p>
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<p>This command indicates that the next time TCP/IP is started by the STRTCP command, the DDM server is to be started automatically.
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</p>
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<p><b>Example 3: Allowing DDM TCP/IP Connection Requests to be Accepted if They Contain at Minimum a Userid with No Password.</b>
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</p>
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<p>
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<pre>
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CHGDDMTCPA PWDRQD(*NO)
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</pre>
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</p>
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<p>This command indicates that on the next DDM TCP/IP connection request, a password will not be required in order to initiate the connection.
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</p>
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</div>
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<table width="100%">
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<tr><td align="right"><a href="#CHGDDMTCPA.Top_Of_Page">Top</a></td></tr>
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</table>
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<hr size="2" width="100%">
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<div><h3><a name="CHGDDMTCPA.ERROR.MESSAGES">Error messages</a> </h3>
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<p><b><u>*ESCAPE Messages</u></b>
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</p>
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<dl>
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<dt><b>CPF3EC6</b></dt>
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<dd>Change DDM TCP/IP attributes failed.
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</dd>
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</dl>
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</div>
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<table width="100%">
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<tr><td align="right"><a href="#CHGDDMTCPA.Top_Of_Page">Top</a></td></tr>
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</table>
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</body>
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</html>
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