127 lines
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127 lines
5.0 KiB
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<TITLE>The Answer Guy 30: tn3270 security </TITLE>
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<H4>"Linux Gazette...<I>making Linux just a little more fun!</I>"
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</H4>
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<P> <hr> <P>
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<H1 align="center"><A NAME="answer">
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<img src="../gx/dennis/qbubble.gif" alt="" border="0" align="middle">
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<a href="./index.html">The Answer Guy</a>
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<img src="../gx/dennis/bbubble.gif" alt="" border="0" align="middle">
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</A></H1> <BR>
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<H4 align="center">By James T. Dennis,
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<a href="mailto:linux-questions-only@ssc.com">linux-questions-only@ssc.com</a><BR>
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Starshine Technical Services,
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<A HREF="http://www.starshine.org/">http://www.starshine.org/</A> </H4>
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<p><hr><p>
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<H3><img src="../gx/dennis/qbub.gif" alt="(?)" width="50" height="28"
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align="left" border="0">tn3270 security </H3>
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<p><strong>From Art Blair on 25 Jun 1998
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<BR><BR>
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When I try to use <TT>tn3270</TT> or <TT>X3270</TT> on my redhat 5.0 box to
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connect to our school's system I get
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<BLOCKQUOTE><code> TELNET Server: Session security is required.
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<br>TELNET Server: Good-bye!!!
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<br>Connection closed by foreign host.
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</code>
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</BLOCKQUOTE>
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Is there a different version of tn3270 that has session security or some
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way to enable it with what I have?
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<br><br>Thanx, Art Blair.
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</strong></p>
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<img src="../gx/dennis/bbub.gif" height="28" width="50"
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alt="(!)" border="0"
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>Are you sure you want to be using <TT>tn3270</TT> (or <TT>x3270</TT>)
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to make this connection? Are you connecting to an IBM mainframe or
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minicomputer (presumably using the 3270 "block mode" ---
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full-screen protocol --- and EBCDIC)?
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<br><br>
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Also does your site use Kerberos or some form of SNA
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security (encryption or host-to-host authentication)?
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<br><br>
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The sad fact is that I know nothing about 3270 emulation
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or about the SNA protocols. You'll want to contact your
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site admin or help desk to find out more about their
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requirements. They should also be able to let you know
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if there are any freely available client/terminal emulation
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packages that are suitable for use with their facilities.
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<p><strong><img src="../gx/dennis/qbub.gif" height="28" width="50"
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alt="(?)" border="0"
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>please do not publish my email address or use it for
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advertising</p></strong>
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<blockquote><img src="../gx/dennis/bbub.gif" height="28" width="50"
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alt="(!)" border="0"
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>We usually strip out e-mail addresses from the published
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version of the column.
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</blockquote>
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<P> <hr> <P>
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<H5 align="center"><a href="http://www.linuxgazette.com/copying.html"
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>Copyright ©</a> 1998, James T. Dennis <BR>
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Published in <I>Linux Gazette</I> Issue 30 July 1998</H5>
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