Thursday, June 4, 2009

Server Message Block

In computer networking, Server Message Block (SMB) operates as an application-layer network protocol mainly used to provide shared access to files, printers, serial ports, and miscellaneous communications between nodes on a network. It also provides an authenticated Inter-process communication mechanism. Most usage of SMB involves computers running Microsoft Windows, where it is often known as "Microsoft Windows Network".

When discussing SMB, one should distinguish:

* the SMB protocol
* the SMB services that run on the protocol
* NetBIOS
* the DCE/RPC services that use SMB as an authenticated Inter-process communication channel (over named pipes)
* the "Network Neighborhood" protocols which primarily (but not exclusively) run as datagram services directly on the NetBIOS transport

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