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000354_news@newsmaster….columbia.edu _Thu Dec 11 22:24:48 1997.msg
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From: jaltman@watsun.cc.columbia.edu (Jeffrey Altman)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Users get logged out spontainously!!!
Followup-To: poster
Date: 12 Dec 1997 03:24:44 GMT
Organization: Columbia University
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Message-ID: <66qaps$6tl$1@apakabar.cc.columbia.edu>
References: <01bd0688$30e0ce00$4c4f12c3@michel>
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Xref: news.columbia.edu comp.protocols.kermit.misc:8149
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.
: 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.
: Furthermore screenupdate's are not as quick as under Kermit 3.12 for
: MS/Dos. Window scrolling is very
: slow and blocking you know like you get 400 bytes at a time and then the
: next 400 bytes from the
: windows screen which contains 80 characters by 25 lines thus contains a
: minimum of 2000 bytes.
K95 is delivered characters from the host in blocks based upon how much
data is in each of the TCP/IP packets. It processes them as fast as it can
delaying screen updates until an entire read is complete. You can configure
K95 to update on every character by using the SET TERMINAL SCREEN-UPDATE
SMOOTH command. Data flow is more likely to be in blocks under Windows 95
because Winsock implements Nagle algorithm and a fixed 200ms Delayed
Acknowledgement timer which results in reduced network traffic at the cost
of combining multiple sends into few packets.
: 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 feature has nothing to do with Unix's in ability to pickup disconnected
sessions.
: Or is there an possibillity to pick up an previous connection?
: Users logged in get often kicked out for some reason but the telnet session
: is still active, they logged in a second time and they are getting an new
: session (i.e. 2::Hostname), but session 1 is still active! Sometimes they
: cannot even see the active connection in the taskbar!!
If you want the K95 process to terminate when the session is broken then
you can turn on the "Exit on disconnect" checkbox which is present in
each entry you have defined in the Dialer.
If you are referring to something else I would suggest that you send a
detailed report to kermit-support@columbia.edu containing all of the
details of your problem.
Jeffrey Altman * Sr.Software Designer * Kermit-95 for Win32 and OS/2
The Kermit Project * Columbia University
612 West 115th St #716 * New York, NY * 10025 * (212) 854-1344
http://www.columbia.edu/kermit/k95.html * kermit-support@columbia.edu