rcp and rlogin

Larry D Sorensen larry.sorensen at juno.com
Thu Dec 9 03:41:54 UTC 2004


Both machines are on the same LAN. There is a switch between them. Both
boxes were loaded with medium security selected (probably a mistake in
the secure area.).

On Wed, 08 Dec 2004 22:54:48 -0300 eketen eketen
<eketen at consulters.com.ar> writes:
> Both machins are connect together with a switch , this machines are 
> in the same lan ? is essencial to know what is happening to know all 
> about the network structure.
> 
> 
> ----- Mensaje original -----
> De: Pete Nesbitt <pete at linux1.ca>
> Fecha: Miércoles, Diciembre 8, 2004 10:47 pm
> Asunto: Re: rcp and rlogin
> 
> > On December 8, 2004 12:29 pm, Larry D Sorensen wrote:
> > > Yes.
> > >
> > > On Tue, 7 Dec 2004 21:13:25 -0800 Pete Nesbitt <pete at linux1.ca> 
> > writes:> > On December 7, 2004 02:07 pm, Larry D Sorensen wrote:
> > > > > I am trying to set it up so that I can do rcp or rlogin 
> > between 2
> > > > > computers. I know that this is less secure than other 
> > methods, but
> > > > these 2 computers are in a secure area.
> > > > > When trying to do either rcp or rlogin, I get the following 
> > error> > > message:
> > > > >
> > > > > hostname: No route to host
> > > >
> > 
> > > > can you ping/ssh by hostname (not ip address)?
> > 
> > 
> > 
> > do you have a firewall or tcpwrappers running on either?
> > 
> > The error sounds more like a acl/router issue. Since you said it 
> > was a secure 
> > area, i presume there are no routers involved, just a direct 
> > (maybe switched) 
> > link.
> > 
> > I just tried three ssh connections to work to machines my ip 
> > should not be 
> > able to connect to.
> > I tried one that would be filtered by tcpwrappers, I received:
> > ssh_exchange_identification: Connection closed by remote host
> > -I tried one that would be blocked by cisco router I get:
> > ssh: connect to host <hostname> port 22: No route to host
> > -and one that would be an iptables 'drop':
> > ssh: connect to host <hostname> port 22: Connection timed out
> > 
> > I don't know much about rservices, never used them, but i would 
> > start by 
> > seeing if you can  rlogin to localhost at the server that is 
> > rejecting the 
> > connection.
> > 
> > hope that helps.
> > -- 
> > Pete Nesbitt, rhce
> > 
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> 
> 
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