Overview

DAF is a complete package to handle Web user authentication on an NT/IIS server, it include:

  • an ISAPI filter (DAF) which handles authentication for all HTTP requests received by IIS.
  • an ASP application (Web User Manager) to manage users in any DAF databases through a Web interface.
  • an ASP component (DAFTools) to easily manage DAF users in ASP scripts.

Main Features:

To handle Authentication

  • WEB authentications against TEXT or ODBC User Database
  • Access permissions defined with text files located in each protected directory and/or with NT security
  • Support HTML form to login
  • Cookies or Cookies free authentication
  • Control and Prevent simultaneous access using the same login/password
  • Multi-homing support. A User Database can be attached to any combination of a IP Address, Port Number and Host Name.
  • Handle the notion of users groups to define permissions
  • Compatible with FrontPage

To manage each User Database

  • DAF come with a Web application (Web User Manager) to manage with a browser each User Database.

To develop DAF complient application

  • DAF come with an ASP component (DAFTools) which offers a complete set of methods and properties to easily manage DAF users in ASP scripts (add, modify, find and remove users).

Other DAF Features:

  • Compatible with Microsoft Windows 4.0 (i386 Only) and IIS 1.0, 2.0, 3.0 or 4.0.
  • Only ONE ODBC connection is used per database. This implementation choice gives HIGH PERFORMANCE and makes this product usable on HIGH TRAFFIC servers (also only one client license is required for the data base server).
  • All users list can be a text file and/or ODBC data source (SQL server, Oracle, MS Access, FoxPro...).
  • ODBC users list can be accessed in real-time to process each HTTP request, or a local copy (updated periodically) can be used:
    - with real-time mode, all modifications in the users list are active in real-time.
    - with periodic update mode, HTTP authentications will be processed even if your local network is OVERLOADED or TEMPORARILY DOWN.
  • Write the date of last visit for each user for each HTTP request.
  • Handle expiration date for each account.
  • On error, DAF will send e-mail notifications to the DAF administrator.
  • DAF users can be mapped to none, one or several NT registered Windows NT users.
    (You may have plenty of different logins for your WEB pages using only one Windows NT account).
  • If a web user login is not found in the DAF users database, it is forwarded to IIS which will check the standard Windows NT users database.
  • The last 100 users who have been logged are kept in a memory cache.
  • Uses the Basic Authentication scheme ONLY.
  • Works with NTFS formatted hard disk, or with FAT formatted (with File Access Controller).

important.GIF (334 bytes) Limited features when unregistered

When unregistered, all DAF 4.X features are active but the number of usable users is limited to ten users per database.

Each time a User Database is restarted, only the 10 first users requesting an authentication will be usable, and reusable.

This limit is applied after each ODBC request. So, with an unregistered version:

  • there is no limit on the number of ODBC data sources you can use to test the product.
  • the response time is the same as with a registered product.

Last Update: Thursday, August 31, 2000 07:30