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Remote Client
SecurID Support Overview
Security for connections to RAS Server is usually provided
using the PPP authentication protocols (PAP, CHAP, or MS-
CHAP) processed by Microsoft RAS. To grant access to the
server, remote clients must supply static identity and
password. Since these parameters can easily be guessed or
hacked, Security Dynamics proposes a stronger security
system based on a Personal Identification Number (PIN) in
combination with a randomly generated passcode. The
passcode is received from a SecurID token (credit-card sized
electronic device), but changes every 60 seconds. Therefore,
authentication parameters for a connection are not available
for a later connection.
5536 PRI RAS Communications Controller Users Guide
Host access
File sharing
ISDN
Internet Service
Provider
Figure 1-2. RAS Features
E-mail
Database
Scheduling
Remote Access Server (Windows NT Server)
Up to 46 simultaneous clients (60 for Europe)
Chapter 1: Introduction
9
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