TCP/IP Security Limits - WinXP and XWIN.exe

[Larry Hall (Cygwin X)]

Mark Edwards wrote:
> On 8/16/06, René Berber <r.berber@computer.org> wrote:
>> Mark Edwards wrote:
>>
>> > On 8/16/06, René Berber wrote:
>> >[snip]
>> >> netstat -nb (and a lot of patience) or netstat -anb (which of course
>> >> will take a long time).
>>
>> > 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.
>>
>> My point was that you need to run netstat to make sure it is XWin... 
>> saying
>> "seems" will not encourage anybody to look into this.
>>
>> FWIW I don't think XWin is going to come out as the problem, as I said 
>> I haven't
>> seen that problem (and I use ssh -X all the time) and something as big as
>> "TCP/IP has reached the security limit" would certainly come up in 
>> this list
>> very often if XWin was the cause.  You're not using WinXP Home are you?
> 
> the reason I say "seems" is that the symptoms given in the Microsoft
> document are not apparent when checking netstat, however the presence
> of the 4226 error is clear indication of a problem.
> 
> Just so that we get on the same page here, I am currently not using
> ssh -X, I am using the following:
> 
> $ cat ..xinitrc
> xhost +
> ssh int01@tcgtest 'cd development/dialer; ./invoke.sh 172.23.1.197:0.0'
> 
> ... to invoke the application. The 'invoke.sh' script sets the DISPLAY
> environment variable and the GUI appears on my windows box. Right
> before the networking fails.
> 
> tcgtest is on the same subnet as my windows box, so no firewalling or
> tunnelling required to get to it. Should I be using ssh -X  for this
> type of application do you think?


Couldn't hurt.


-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

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