TCP/IP Security Limits - WinXP and XWIN.exe

[Mark Edwards]

On 8/16/06, René Berber <r.berber@computer.org> wrote:
> Mark Edwards wrote:
>
> > I am using cygwin on winXPSP2 to run a linux-hosted tk application.
> > The application is invoked using a batch file which uses ssh to invoke
> > the application remotely on a linux box and cause it to display its
> > GUI on the windows desktop.
> >
> > Unfortunately, once I close the application down, I experience failure
> > of the networking on the WinXP box. I can't make any connection in or
> > out of the box and any attempt to 'repair' the interface results in
> > the NIC not being able to obtain an IP address via DHCP. The only way
> > to resolve the issue is to reboot the box or to disable/enable the
> > network card.
> >
> > Inspection of the Windows Event Log reveals the following omminous
> > warning...
> >
> > "TCP/IP has reached the security limit imposed on the number of
> > concurrent TCP connect attempts."
> [snip]
> >
> > * How do I resolve these issues?
> >
> > Stop the application that is responsible for the failing connection
> > attempts.
>
> And fix the application.
>
> > Anyone run into this one before with XWin.exe?
>
> No.
>
> > If so a nudge in the right direction would be much appreciated.
>
> netstat -nb (and a lot of patience) or netstat -anb (which of course will take a
> long time).
> --
> René Berber
>
>
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>

Thanks for the comments René, however my point was that it is XWin.exe
that seems to be invoking this behaviour. What is not clear to me is
why, and if there is a configuration setting or work-around that can
prevent it.

cheers,
Mark.


-- 
regards,

Mark P. Edwards

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