network access server


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network access server

A device that functions as an access control point for users in remote locations connecting to a company's internal network or to an ISP. Also called a "media gateway" or a "remote access server" (RAS), a network access server (NAS) may include its own authentication services or rely on a separate authentication server. A NAS may be a dedicated server or a software service within a regular server. See network access control and authentication.


NAS Access Control
A network access server (NAS) often relies on a separate authentication server such as RADIUS or Diameter for obtaining authorization to allow or deny access to the network. See RADIUS and Diameter.
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Network accounting tools provide valuable information about busy-hour and peak-hour traffic, network access server (NAS) port usage, frequent users, and infrequent users.
The company's products include a full range of residential and business telephone terminals, screen telephones capable of accessing Internet content, cable modems, network access servers and high-quality digital video encoders, decoders and gateways for the broadcasting, cable and telecommunications market.

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