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, authentication and remote access concentrator.


NAS Access Control
A network access server (NAS) often relies on a separate authentication server such as RADIUS for obtaining authorization to allow or deny access to the network.








Roll Your Own NAS
Comtrol developed the first multiport serial card for the PC. Such cards turn a PC into a network access server for modem and ISDN communications or a collector of signals from sensors for data acquisition. The middle card uses RJ-45 jacks to connect to serial lines. The others provide DB-25 ports for modems. (Image courtesy of Comtrol Corporation.)
References in periodicals archive ?
We designed the DS416 to be an affordable, all-in-one NAS server that's optimized for encryption and sensitive data transmission," said Jason Bonoan Synology marketing manager.
LOS ANGELES -- Ciphertex, a leading international provider of external HHD and portable encryption network attached storage (NAS) server systems, today announced the CX-6K-MD, a 24TB portable secure NAS server capable of storing more than two million medical images.
The TS-EC1279U-RP is QNAP's highest-end Turbo NAS server, featuring a 12-drive 2U rack-mount footprint with 48TB (using 4TB drives) maximum capacity, quad-core Intel Xeon Processor E3-1225 (3.
The company said that this version of the application allows users to stream music, digital pictures and videos directly from a QNAP NAS server to any Android based handset, providing they have an Internet connection.
The TS-439U-RP and TS-439U-SP are fully compatible with Windows, Macintosh, Linux, and UNIX networks and feature business-essential features such as AES 256-bit volume-based encryption, policy-based IP blocking, secure FTP, encrypted remote replication for backing up the NAS server to another NAS server over the network, email or SMS alerts if drives in the NAS server fail or are about to fail, and much more.
This important upgrade brings a host of new features to existing Synology NAS server customers, enhancing their ownership experience, and making Synology NAS servers a compelling choice for small/medium businesses as well as tech-savvy consumers.
The FlexStor-NAS 1200 is a high-availability NAS server that incorporates storage capacities of 432 GB to 3 TB with the latest NAS and SATA RAID technologies.
In configuring the Hitachi Freedom NAS, either the Hitachi Freedom Storage Lightning 9900 Series or the Thunder 9200 systems is attached to a NAS server supplied by Network Storage Solutions.
Tenders are invited for 39-015 NAS Server / Controller
All the Pro+ models include 1GB RAM, dual Gigabit LAN ports, enhanced iSCSI support, advanced RAID support, generous number of USB & eSATA ports for capacity expansion, and the broadest range of business-critical applications available from any NAS server provider.
To enable synchronized, precise backup timing for organizations with geographically disparate storage locations that need to be backed up at the same time, the iS900 iSCSI NAS Server, which is expandable to 18 TB, is designed with GPS, IRIG timing/atomic time generator or receiver, and provides continuous worldwide coverage for navigation and time frequency users.