Adaptec 2940U - AHA Storage Controller Ultra SCSI 20 MBps Información técnica descargar pdf (Pagina 83)

Chapter 3 Installing Applications 69

8. Close the Xconfig window and run the eXceed icon in the eXceed program

group to run an X Windows session from the selected XDM server.

At this time eXceed does not support multiuser 3270 connectivity under

MetaFrame.

Internet Service Provider (ISP) Connectivity Software

ExtendNet VPN Remote Access Server

Overview

The information in this application note was provided by Mike Stone,

Systems Engineer, Extended Systems Inc., 5777 North Meeker Ave., Boise, ID

83713.

This application note describes how to install and use the ExtendNet VPN to

manage PC-to-LAN Virtual Private Network connections. By simply dialing a

local Internet Service Provider (ISP) and using the industry-standard Point-to-

Point Tunneling Protocol (PPTP), remote users can access their LAN (and,

consequently, Citrix MetaFrame server) as if physically connected. All

authentication from the Internet, encryption of packets, decryption of packets, and

management of users is processed by the ExtendNet VPN server.

The primary benefits of utilizing the ExtendNet VPN for managing PC-to-LAN

(MetaFrame server) connections are:

Security. ExtendNet VPN shields your mission-critical MetaFrame server from

direct Internet access. Anyone desiring access to the MetaFrame server MUST

authenticate to the ExtendNet VPN first. This keeps the Windows/MetaFrame

server safely behind the ExtendNet VPN, further reducing the risk of attack from

the Internet. PPTP provides 40-bit (the maximum allowed internationally) or 128-

bit (domestic maximum) encryption keys. The ExtendNet VPN is also a dedicated

hardware platform with a proprietary “hardened” operating system with a reduced

code set versus a commercially available operating system, such as Windows

2000.

Performance. The ExtendNet VPN offloads the tasks of encryption and

decryption from the MetaFrame server. The ExtendNet VPN is hardware

optimized to maximize throughput and decrease the utilization levels of the

MetaFrame server.

Note

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Adaptec 2940U - AHA Storage Controller Ultra SCSI 20 MBps Información técnica Pagina 83