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Re: telnet/ftp/rlogin/rsh not working between Linux machines.

daemon@ATHENA.MIT.EDU (Bin Li)
Thu Aug 17 11:29:53 1995

From: Bin Li <bli@umgis.merrick.miami.edu>
To: aleph1@dfw.net (Aleph One)
Date: Wed, 16 Aug 1995 22:08:46 -0400 (EDT)
Cc: linux-net@vger.rutgers.edu
In-Reply-To: <Pine.SUN.3.90.950816165846.8713A-100000@dfw.net> from "Aleph One" at Aug 16, 95 05:00:10 pm


Thank you for all the helps.  The problem was caused by a mis-match in
the DNS, as suggested by Aleph.

Now everything works great!


Bin
   
> 
> You rpobably have DNS set up incorrectly for the machines. 
> Make sure you that forwards and backwards lookup set up correctly and they
> respond with the same domain name. This look like tcp wrappers to me.
> 
> Aleph One / aleph1@dfw.net
> http://underground.org/
> 
> On Wed, 16 Aug 1995, Bin Li wrote:
> 
> > 

Original posting:

> > Hi,
> > 
> >   I have Linux 1.2.8 installed on a number of 486DX/66.  I am using them
> > to form a parallel virtual machine.  When testing the systems, I found
> > two of the machines behaved strangely with such commands as telnet/ftp
> > /rsh/rlogin.  They don't connect if the remote host is a Linux box in
> > the subnet.  For example, when I issued the command 
> > 
> > telnet linux3
> > 
> > I got the following response:
> > 
> > Connected to linux3.....
> > Escape characters is '^]'
> > Connection closed by foreign host
> > 
> > But when I telnet to other non-Linux machines anywhere, it works fine.
> > 
> > I have also tried "rsh" and simply got 
> > 
> > linux3.merrick.miami.edu UNKNOW SERVER ERROR
> > 

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