[FreeNX-kNX] Timing Out

chris at ccburton.com chris at ccburton.com
Thu Aug 20 15:34:37 UTC 2009


Andrew Villano <AVillano at incentient.com> wrote on 20/08/2009 13:54:54:

> My client connects to FreeNX servers on a different subnet (of which
> are on the same subnet). 
> 
> I can telnet to the server in question and connect instantaneously. 
> They key is the same.
> 
> The only delay in logging on in SSH is after entering credentials, 
> the delay lasts about 45 secs.


45 seconds Hmmmm, something untoward is happening then. 

Is this using a ssh client or the nxclient??

What are you authenticating against? ldap? or do you have all users in 
passwd/shadow

This could still be a windows problem though, do you have other windows 
workstations on the same subnet as the problem one ??? Can they connect to 
the server in question ok with the same keys and user name.

If you do and they can then we need to look at windows . . .

else 


You really need to try

        ssh -v  -l nx  -i /path/to/nx/client.id_dsa.key  -p 12019 
75.127.217.69

from both the linux workstation and a windows command prompt to see if the 
problem is with just this one windows workstation.

The nxclient for windows includes ssh in

C:\Program Files\NX Client for Windows\bin\nxssh.exe

which takes the same switches


If the ssh connection from windows is more or less instantaneous, then we 
need to look beyond the nx sshd connection to either user authentication 
(again via ssh but via localhost) or windows problems.

I'm not sure just how far your connection is getting yet . . .



> 
> I was using the same user accounts on all attempts.
> 
> Warmest Regards,
> 
> Andrew Villano
> Systems Specialist
> Incentient LLC
> 
> From: chris at ccburton.com [mailto:chris at ccburton.com] 
> Sent: Thursday, August 20, 2009 3:31 AM
> To: User Support for FreeNX Server and kNX Client
> Subject: Re: [FreeNX-kNX] Timing Out
> 
> 
> 
> Andrew Villano <AVillano at incentient.com> wrote on 19/08/2009 20:26:33:
> 
> > Linux client connects within a few seconds. 
> > 
> > Same network route. 
> > 
> > I can connect with the same windows client to other linux machines 
> > on the same subnet (with identical configurations). The linux CLIENT
> > was on the SAME subnet though. 
> > 
> > 1)       Copied the key several times, its identical 
> > 2)       I don’t know what routing issue there could be, the ssh 
> > port is forwarded to the machine 
> > 3)       I’m using putty to connect to the machine and I’m currently
> > connected fine. 
> > 
> > Very strange…. 
> 
> 
> OK 
> 
> Your client connects to FreeNX servers on the same subnet, but not 
> to the server in question on a different subnet, though it has done 
> previously, but taking a minute to log in. 
> 
> You can however telnet to the server on a different subnet using 
> putty. Is the connection instantaneous ?? 
> 
> A linux client on the same subnet as the server in question can 
> connect instantly using FreeNX. 
> 
> The key on the windows client is the same as the key on the linux 
client. 
> 
> 
> 
> 
> If you telnet to the sshd port ( 22 default ) on the server from the
> windows machine you should get an ssh prompt instantly 
> 
> SSH-2.0-OpenSSH_x.y  or whatever. If it takes a minute or so then 
> that would be something to look at  . . . 
> 
> 
> 
> When tou were connecting using the linux client from the same subnet
> as the server, were you using the same user account or does the 
> problem move following user accounts ?? 
> 
> 
> > 
> > Warmest Regards, 
> > 
> > Andrew Villano 
> > Systems Specialist 
> > Incentient LLC 
> > 
> > From: chris at ccburton.com [mailto:chris at ccburton.com] 
> > Sent: Wednesday, August 19, 2009 3:15 PM
> > To: User Support for FreeNX Server and kNX Client
> > Subject: Re: [FreeNX-kNX] Timing Out 
> > 
> > 
> > 
> > Andrew Villano <AVillano at incentient.com> wrote on 19/08/2009 19:37:03:
> > 
> > > I can get a full working session from a linux client. 
> > > 
> > 
> > Right, server and keys working then. How long does the Linux client 
> > take to connect. 
> > 
> > Is this over the same network route . . . 
> > 
> > 
> > > I can connect with the windows client to clients on the same IP. 
> > 
> > How do you mean?? Client software to client software ?? 
> > 
> > > 
> > > I got the hello nxserver prompt from ssh. 
> > 
> > We know it works from Linux. 
> > 
> > 
> > In order I would look at 
> > 
> > key mismatch on the windows machine 
> > 
> > routing issue windows client to server - timeouts or filtering on 
> > the server or packets going two ways 
> > 
> > windows software issue -  try a windows ssh client   eg  http:
> > //sshwindows.sourceforge.net/  or just re-install the windows client 
> > 
> > 
> > 
> > 
> > 
> > > 
> > > Warmest Regards, 
> > > 
> > > Andrew Villano 
> > > Systems Specialist 
> > > Incentient LLC 
> > > 
> > > ________________________________________________________________
> >      Were you helped on this list with your FreeNX problem?
> >     Then please write up the solution in the FreeNX Wiki/FAQ:
> > 
> > 
http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ
> > 
> >          Don't forget to check the NX Knowledge Base:
> >                  http://www.nomachine.com/kb/ 
> > 
> > ________________________________________________________________
> >        FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
> >       https://mail.kde.org/mailman/listinfo/freenx-knx
> > ________________________________________________________________ 
> ________________________________________________________________
>      Were you helped on this list with your FreeNX problem?
>     Then please write up the solution in the FreeNX Wiki/FAQ:
> 
> 
http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ
> 
>          Don't forget to check the NX Knowledge Base:
>                  http://www.nomachine.com/kb/ 
> 
> ________________________________________________________________
>        FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
>       https://mail.kde.org/mailman/listinfo/freenx-knx
> ________________________________________________________________
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