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Message-ID: <37384DE0.83E951A6@rdinstruments.com>
Date: Tue, 11 May 1999 08:33:52 -0700
From: Grant Mills <gmills AT rdinstruments DOT com>
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To: Juha =?iso-8859-1?Q?J=E4ykk=E4?= <juhaj AT iki DOT fi>, gnu-win32 AT cygnus DOT com
Subject: Re: sshd1 v1.2.26, b20.1, tty problems (most likely)
References: <003a01be9ad6$d1102e50$1123a4d8 AT sos DOT home> <3737C39A DOT 3FBAF40B AT iki DOT fi> <37384A01 DOT 6E5A0A4E AT jhuapl DOT edu>
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I remember a problem like this from comp.security.ssh.  I believe that it
had to do with the daemon configuration.  The idle timeout was set to 1
second; a tad on the short side personally.  The sshd_config is in /etc on
my box.  I don't run sshd here since the firewall won't allow me to
connect from home, and I haven't taken the time to figure out the port
forwarding stuff.

Steve Coleman wrote:
> 
> Juha Jdykkd wrote:
> 
> >   No help. Nothing changes. sshd1 still receives TTY -1, ls complains
> > about bad file number and something causes a logout from my newly
> > created shell immediately.
> 
> I may have had the same problem, though my memory about it may be a
> little fuzzy now. To diagnose the problem I set my STRACE to 0x10 and
> started the daemon with -d in one window while I tried to login from
> another. The strace output reveiled that the xauth add host/unix:0
> syntax was failing which caused subsequent tty and shell problems (I
> don't remember these problems specifically), and eventually causing my
> daemon and shell (both bash and tcsh) to abort. I commented out the
> following block of code from sshd.c and I was back in business.
> 
> #ifndef CRAY
>                         /* Cray xauth cannot take host/unix:0 as
> displayname *
>                         fprintf(f, "add %.*s/unix%s %s %s\n",
>                                 cp - display, display, cp, auth_proto,
>                                 auth_data); */
> #endif
> 
> Try using the STRACE flag to verify a similar xauth failure. If this is
> the source of your problem then perhaps we should add this to the sshd.c
> patch list. It may however be a system dependent patch based on your
> X-Windows implementation.
> 
> FYI - I am using Exceed V6.1 for my X server.
> 
> Good luck!
> 
> --
> Steve Coleman     <Steve DOT Coleman AT jhuapl DOT edu>   http://www.jhuapl.edu/
> <<--------->> Johns Hopkins Applied Physics Laboratory <<---------->>
> Balt:443-778-6330 Fax:443-778-5597 Wash:240-228-6330 Fax:240-228-5597
> 
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Grant Mills                        RD Instruments
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