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From: "lhall AT pop DOT ma DOT ultranet DOT com" <lhall AT pop DOT ma DOT ultranet DOT com>
To: jbeniston AT compxs DOT com, cygwin AT cygwin DOT com
Subject: RE: Problems running telnetd
Date: Thu, 10 Apr 2003 11:53:05 -0400
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It's my observation that the problems people experience with 
inetd, sshd, telnetd, crond, ftpd, and other services disappear 
once they're configured properly.  Usually this has to do with 
missing information which is generally found in the documentation
in the /usr/doc directory, specifically /usr/doc/Cygwin.  In your
case, you would want to study inetutils*.README and login.README.
I don't know if you've reviewed those thoroughly or not.  Also the Cygwin
User's Guide has good information on permissions/security that is
useful background.  Then of course there's the email archives which
you've obviously looked at already.  It's possible that all of this 
information isn't enough to solve your problem.  If that's the case,
you'll want to visit <http://cygwin.com/bugs.html> to get an understanding
of the process of reporting a bug or problem and eliciting help, assuming
your general query below doesn't result in some response with a solution 
which happens matches your problem.

HTH,

Larry


Original Message:
-----------------
From: Jon Beniston jbeniston AT compxs DOT com
Date: Thu, 10 Apr 2003 16:08:37 +0100
To: cygwin AT cygwin DOT com
Subject: Problems running telnetd


Hi all,

I'm seeing the following problem when trying to run telnetd. If I start
it from the command line with:

cd /usr/sbin
./in.telnetd

I get:

./in.telnetd: getpeername: Socket operation on non-socket

I'm using cygwin 1.3.22-1, inetutils 1.3.2-2 and Windows XP.

However, it appears to run if I do:

./in.telnetd -debug

And I'm able to telnet in. However..

When I try to start telnetd with xinetd and then try telnetting. I get:

03/4/10 AT 15:43:40: DEBUG: {main_loop} select returned 1
03/4/10 AT 15:43:40: DEBUG: {server_start} Starting service telnet
03/4/10 AT 15:43:40: DEBUG: {main_loop} active_services = 13
03/4/10 AT 15:43:40: ERROR: {set_credentials} setuid failed: Permission
denied (errno = 13)
03/4/10 AT 15:43:40: DEBUG: {main_loop} active_services = 13
03/4/10 AT 15:43:40: DEBUG: {main_loop} select returned 1
03/4/10 AT 15:43:40: DEBUG: {check_pipe} Got signal 20 (Child status
changed)
03/4/10 AT 15:43:40: DEBUG: {child_exit} waitpid returned = 5592
03/4/10 AT 15:43:40: DEBUG: {server_end} telnet server 5592 exited

I also have a problem on another machine whereby I can get telnetd
running, but no username/password appears to work. Aggh. I've been
looking through the mailing list archive and there seem to be many
people who have had the same problem, but there doesn't seem to be a
definitive answer. (For example, some people say that telnetd has to be
run using inetd and not from a shell, but for me it's the other way
round). I still have a few things to try, but was wondering if someone
has assembled a list of problems / issues etc?

Cheers,
JonB


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