I guess so.  I was RDPing into the server while troubleshooting the
problem.  The users were getting disconnected from their application but I
was staying connected.

On Wed, May 23, 2012 at 9:34 AM, Ken Schaefer <[email protected]> wrote:

>  Are you asking from a UI point-of-view? A TCP RST, is not the same as
> the UI being reset – your client’s Windows TCP/IP stack would renegotiate a
> TCP connection with the server. From a UI PoV you probably wouldn’t see
> anything out of the ordinary (except maybe some lag).****
>
> ** **
>
> Cheers****
>
> Ken****
>
> ** **
>
> *From:* Steve Ens [mailto:[email protected]]
> *Sent:* Wednesday, 23 May 2012 4:24 AM
>
> *To:* NT System Admin Issues
> *Subject:* Re: TCP/IP stack reset****
>
> ** **
>
> That's what I figured.  Thanks Z.****
>
> On Tue, May 22, 2012 at 3:15 PM, Ziots, Edward <[email protected]>
> wrote:****
>
> Yes, ****
>
>  ****
>
> If the stack resets (the whole stack) then your RDP connection goes bye
> bye. If another system sends a tcp-reset to a session then only that
> session gets reset. (Basically what an IPS would do in certain situations)
> ****
>
>  ****
>
> Z****
>
>  ****
>
> Edward Ziots****
>
> CISSP, Security +, Network +****
>
> Security Engineer****
>
> Lifespan Organization****
>
> [email protected]****
>
>  ****
>
> *From:* Steve Ens [mailto:[email protected]]
> *Sent:* Tuesday, May 22, 2012 4:09 PM****
>
>
> *To:* NT System Admin Issues****
>
> *Subject:* Re: TCP/IP stack reset****
>
>  ****
>
> One follow up question...if the stack is resetting, would an RDP
> connection be dropped as well?  ie. If I'm RDP'ing into the server and the
> stack gets reset...do I lose my connection?  Because, during the whole
> debacle on Thursday, not once was I kicked off.  Just curious.   ****
>
> On Thu, May 17, 2012 at 11:03 AM, Daniel Chenault <
> [email protected]> wrote:****
>
> If the stack is resetting than it is dropping all current connections.
> This would be evident in the trace by workstationA sending a packet to
> ServerA with a response of RST. Following that would be the standard 3-way
> TCP handshake.****
>
>  ****
>
> I question the robustness of an app that cannot gracefully handle a reset
> from another layer. I also question why the stack would be resetting
> frequently enough to be an issue. Resetting a specific connection, sure,
> but the whole stack? Dubious allegation. Check the trace.****
>
>  ****
>
> Daniel Chenault****
>
> [email protected]****
>
> [image: Description: Description: cid:[email protected]]****
>
>  ****
>
> *From:* Steve Ens [mailto:[email protected]]
> *Sent:* Thursday, May 17, 2012 10:55 AM
> *To:* NT System Admin Issues
> *Subject:* TCP/IP stack reset****
>
>  ****
>
> Morning/afternoon all...****
>
> I have a particular application that is giving me headaches.  It is
> client/server based app that is constantly crashing.  The vendor is saying
> it is a network issue:  that the network stack is resetting causing one of
> the services to crash.  I've updates the NIC drivers, the HP team drivers
> and checked the switches and even changed the ports on the switch.  I've
> install wireshark, but am having some difficulty interpreting the capture
> logs.  Any ideas on what to look for would be greatly appreciated.****
>
> Thanks****
>
> ** **
>
> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~
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