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Forum:
Microsoft SQL Server
Title:
How does Named Pipes work?
I want to understand more about how Named Pipes works between SQL Server and client.
I know the followings:
Named Pipes is a network library and is using dbnmpntw.dll and dbnmp3.dll.
Named Pipes supports the following network transport protocols:
NW Link IPX/SPX
NetBEUI
TCP/IP
Named Pipes uses ports 137, 138, 139, and 445.
I'm interested in knowing:
The relationship among Named Pipes, SMB and NetBIOS.
When will Named Pipes use port 139 and when will it use port 445?
What is the difference among the terms: Named Pipes over NetBIOS, Named Pipes over NetBEUI, and Named Pipes over TCP/IP?
Thank you.
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