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102 MetaFrame Solutions Guide

Third-Party Security Products

This section contains detailed installation and integration information for the

following third-party security devices:

Security Dynamics ACE/Server Software

VTCP/SECURE Software

These security devices control remote access to the MetaFrame server through

proprietary access control software. The remote user dials in or connects over the

network to obtain access to the MetaFrame server by successfully completing an

authentication dialog with the security device. Once the user is authenticated, the

security device is transparent to the user.

Several general configuration issues are encountered when using third-party

security devices:

For the MetaFrame server to properly detect when a connection is made or

broken, the security device must supply modem signals that can be used by the

MetaFrame server to detect when a connection is made or terminated. This

varies depending on the security device.

If needed, configure the client PC and the client software to operate properly

with the security device. Some security systems require software or hardware

on the client PC.

The MetaFrame server and the security device itself must be secured from

unauthorized tampering. It is recommended that you place all hardware in a

secured room to prevent unauthorized personnel from acquiring access to the

equipment.

Most third-party security devices secure remote Dial-In users (or local, directly

connected asynchronous users) only. You need to consider how to secure your

system from improper access by LAN- or WAN-connected users.

The third-party security devices discussed in this section control remote access to

the MetaFrame server through proprietary access control software. Details about

access control hardware are available through the individual hardware

manufacturers. The software access control devices most often used are based on

one of two premisses.

The first method is based on secondary user authentication. In addition to the

Primary Windows Authentication, the access control software adds another layer

of authentication based on separate user databases. This software control method

decreases the likelihood of compromised passwords.

The next method of software access control is based on encrypting data

transmissions. In this case, the access control software provides a layer of

authentication and then encypts all data packets between the client and server.

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Adaptec 2940U - AHA Storage Controller Ultra SCSI 20 MBps Información técnica Pagina 116