Authentication Comparison
written and ©1998, 99 by Kevin Flick www.flicks.com creator of Authentix

Which should I use?

In deciding which type of Authentication to use, it's important to keep the following points in mind:

• You want the widest possible audience, along with browser and platform independence. (impacts NTCR and cookies)
• Performance is critical. If (as you hope), your site becomes wildly popular, you don't want a dead-slow server (impacts SSL/Certificates, ASP)

Which Type	Why use it?	Why not use it?	How to use it.
IIS NT Challenge Response	Why	Why not	How
IIS Basic Authentication	Why	Why not	How
A Third Party Basic Authentication filter	Why	Why not	How
Write your own Basic Authentication filter	Why	Why not	How
Cookie Based Authentication with ASP pages	Why	Why not	How
Self-authenticating scripts	Why	Why not	How
Certificate based authentication.	Why	Why not	How

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