Microsoft KB Archive/194171

= App Request UDP Only, "Netstat -an" Displays TCP and UDP =

Article ID: 194171

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q194171



SYMPTOMS
Winsock applications can specify what UDP ports they listen on. You can use the NETSTAT utility with the -an option to display the status of a socket. However, NETSTAT -an may display both UDP and TCP listening on the same socket when only UDP is bound to the socket.

  NETSTAT [-a] [-n]

-a Displays all connections and listening ports. Server-side connections are normally not shown.

-n Displays addresses and port numbers in numerical form.



CAUSE
This behavior does not affect socket connections, but is simply a display. problem.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0.

Keywords: kbbug kbnetwork kbpending KB194171

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