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A '''Network Access Server''' ('''NAS''') is a single point of access to a remote resource.
==Overview==
Concentrates dial-in and dial-out user communications. An access server may have a mixture of analog and digital interfaces and support hundreds of simultaneous users.
Communications processor that connects asyncronous devices to a LAN or WAN through network and terminal emulation software. Performs both synchronous and asynchronous routing of supported protocols. Sometimes called a network access server (NAS).
The NAS is meant to act as a [[Gateway (telecommunications)|gateway]] to guard access to a protected resource. This can be anything from a [[telephone]] [[Telecommunications network|network]], to [[computer printer|printers]], to the [[Internet]].
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