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Cisco Secure Access Control Server for Windows

Read Me First: CiscoSecure ACS 2.4 for Windows NT Getting Started


Table of Contents

Read Me First
CiscoSecure ACS 2.4 for Windows NT Server Getting Started

Read Me First
CiscoSecure ACS 2.4 for Windows NT Server Getting Started

Product Summary

CiscoSecure ACS 2.4 for Windows NT Server (CiscoSecure ACS) network security software helps you authenticate users by controlling dial-in access to a network access server (NAS) device---an access server, Cisco PIX firewall, or router. CiscoSecure ACS operates as a Windows NT service and controls the authentication, authorization, and accounting of users accessing networks. CiscoSecure ACS operates with Windows NT Server version 4.0.

Note Unless specifically stated otherwise, all references to NAS in the CiscoSecure ACS documentation apply to any access device.

System Requirements

  • Your Windows NT server must meet the following minimum requirements:

    • Pentium processor running at 200 MHz or faster

    • Microsoft Windows NT Server 4.0 operating system, English language version, with at least Service Pack 4 installed. (Service Pack 3 and earlier are not Y2K compliant.) CiscoSecure ACS has been tested with Service Pack 4 and 5. See the Release Notes for any information on other compatible Service Pack versions

    • 64 MB of RAM required, 128 MB recommended

    • At least 150 MB of free disk space for the CiscoSecure ACS. If you are running your database on the same machine, more disk space is required.

    • Minimum of 256 colors at resolution of 800 x 600 lines

  • To have CiscoSecure ACS refer to the Grant Dial-in Permission to User feature, make sure this option is checked in the Windows NT User Manager for the applicable user accounts.

  • Make sure your NAS is running Cisco IOS Release 11.2 or higher or you are using a third-party device that can be configured with TACACS+ and/or RADIUS.

Note Be sure to read the Cisco IOS notes for important information on Year-2000 compliance.
  • Make sure dial-up clients can successfully dial in to your NAS.

  • Make sure the Windows NT server can ping the NAS.

  • A compatible browser must be installed on the Windows NT server. CiscoSecure ACS has been tested with Microsoft Internet Explorer 4.x and 5.x and Netscape Navigator 4.0x and Communicator 4.x. See the Release Notes for information about issues with a specific browser verison.

  • Java and JavaScript support must be enabled.

Information You Need

  • You must have the following information:

    • Security protocol:

      TACACS+ (Cisco) (default)


      RADIUS (Cisco)

      RADIUS (Ascend)

    • Access server name:

    • Access server IP address:

    • Windows NT server IP address (if different from the IP address of this machine):

    • TACACS+ or RADIUS key (shared secret):

For More Information

The following additional documentation is available for your CiscoSecure ACS:

  • Quick Installation Card: CiscoSecure ACS 2.4 for Windows NT Server---Contains information and procedures for installing CiscoSecure ACS.

  • Quick Reference Card: Web Server Installation for CiscoSecure ACS for Windows NT User-Changeable Passwords---Contains information on installing and configuring the web server for use with the optional user-changeable password feature.

  • Online Help---Contains information for each associated window.

  • Online Documentation---A complete online copy of the CiscoSecure ACS 2.4 for Windows NT Server User Guide. This document is also available in PDF format on the CiscoSecure ACS 2.4 for Windows NT product CD-ROM.

You will also need the documentation for your NAS.

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