[DBNETLIB][connectionwrite(send()).]General network error

I'm getting the above error on some remote desktops conected back to my main office when they leave an in house program up and running for too long with out interacting with it. They are connected back to our system with a VPN between a linksys vpn router and a cisco PIX box. The vpn seems to be runing fine and they don't lose thier connection as far as I can tell. From what I can tell the in house program doesn't try to keep the sql connection alive for any reason. Should it?
kevlauseAsked:
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devsolnsConnect With a Mentor Commented:
The problem arises on a busy SQL system and some requests will randomly seem    
to be dropped with a General Network Error.  
 
To fix:  
 
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters  
 
Add a new DWORD key SynAttackProtect with value of 0.  Restart server.    

Even though documented for Biz talk...see this http://support.microsoft.com/default.aspx?scid=kb;en-us;899599

--DS
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