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000355_news@newsmaster….columbia.edu _Fri Dec 12 10:20:12 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Users get logged out spontainously!!!
Date: 12 Dec 1997 15:20:09 GMT
Organization: Columbia University
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Message-ID: <66rkn9$iog$1@apakabar.cc.columbia.edu>
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In article <66qaps$6tl$1@apakabar.cc.columbia.edu>,
Jeffrey Altman <kermit-support> wrote:
: In article <01bd0688$30e0ce00$4c4f12c3@michel>,
: Michel Krabshuis <mjka@globalxs.nl> wrote:
: : Please can someone give me an serious answer or is my question not clear?
: :
: : Users get kicked out of Kermit95 without any reason. But on the UNIX host
: : the session is still active!!!
:
: If you are using a TCP/IP connection, K95 will report a "Connection closed."
: if and only if this has been reported by the TCP/IP stack. This probably
: is the result of either more than one machine using the same IP address
: or some other problem on the connection between the two machines that
: results in TCP being unable to deliver a packet from your Win95 machine
: to your Unix system.
:
If a connection is broken, UNIX is supposed to log it out instantly. If it
does not, as Jeff says, this indicates a problem with your TCP/IP network or
your UNIX system. If you have more than one station with the same IP address,
there is practically no end to the bad things that can happen -- performance
degradation is certainly one of them, and not the worst.
: : Users then logging in again and they are logged in twice.
: : Anyone regonize this problems?
:
: Users get multiple sessions because Unix does provide a means for a
: Telnet client to pick up a disconnected session in the same way that
: other operating systems such as VMS allow you to do.
:
: : As of release KERMIT95 version 1108 users can connect twice or more to the
: : host computer using Tcp/Ip. But what if you don't want that?
:
This is a feature that was requested by users of earlier versions, in which
the Dialer only supported one connection per entry. Let me try to clarify:
. If you want multiple sessions (windows) to the same host, you can have
them in K95 1.1.8 or later.
. If you don't want multiple sessions to the same host, then don't start
a new session; just keep using the one that's open. In other words,
don't click on the Dialer entry, click on the K95 window.
. If a session closes on the K95 end, but is left active on a UNIX host,
this indicates a severe problem (and a potential security risk) on the
other end; it has nothing to do with Kermit 95. As Jeff said, UNIX does
not support disconnected sessions.
. In other operating systems (such as VMS) that do support disconnected
(detached) sessions, the operating system itself provides a password-
protected way to attach to them. Again, this has nothing to do with
Kermit; it's something you do after you make a connection to the system.
- Frank