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000323_fdc@columbia.edu_Thu Jul 1 17:19:42 2004.msg
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Path: newsmaster.cc.columbia.edu!not-for-mail
From: Frank da Cruz <fdc@columbia.edu>
Newsgroups: comp.protocols.kermit.misc
Subject: Re: slow ssh to Linux/Solaris
Date: 1 Jul 2004 21:19:30 GMT
Organization: Columbia University
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On 2004-07-01, dold@slowXsshXt.usenet.us.com
<dold@slowXsshXt.usenet.us.com> wrote:
: I just loaded RedHat 9 on a PC. This seems to have telnet disabled by
: default, so I set Kermit 95 2.1.3 for an ssh connection.
: That takes a _long_ time to make the connection.
:
Which authentication method are you using?
: Once the connection is made, the lag on keystrokes is terrible, sometimes
: several seconds.
: From a Cygwin prompt on the same source machine, ssh connects very quickly,
: and the keystroke response is fine.
: I have disabled all of the various timeouts and reverse DNS that I can find.
: The Linux box is in a lab that doesn't play DNS. The PC is on a
: DNS-enabled network.
:
DNS yes-or-no might explain a connection delay but not sluggish performance.
: I run ssh to a couple of boxes on the public network, and Kermit is just
: fine there. The RedHat 7 box in the lab responds just fine via
: Kermit-telnet but has the same problem with ssh.
:
: I see that Solaris 5.9 has the same issue in the lab.
: I'm sure this is the fault of the lab network, but it's what I have to live
: with. What can I disable in Kermit ssh to make it more like Cygwin-ssh?
: connects.
:
Good question. Maybe a timestamped debug log will tell the tale. Lots
of people, including me, make exactly the same connection (Windows XP,
Kermit 95 GUI 2.1.3, SSH to Red Hat 9 or Solaris 9) all the time with no
delay in connecting and no keystroke lag. I, for one, *live* in this kind
of connection all day long, and also make ssh connections to many other
hosts and sites, and have never seen this behavior.
- Frank