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email this FAQ to a colleague

Q: What is a null cookie?

A: A null cookie-a very recent and responsible innovation partly in response to concern-is a cookie which is otherwise empty, and which signals to the web server that issued it that this user does not wish to have any additional cookies written to his or her system. Note that this is a per-server technique.

- Dave Evans

Articles
Dec 23, 1999 - How to Detect If Cookies Are ON
Mark Burnham offers a quick and easy way to check if your browser accepts cookies. If it does, then you're clear to use session variables when writing ASP scripts. Just follow the sample code to learn how to copy a form and compare SessionIDs.
[Read This Article]  [Top]
Jun 23, 1997 - Cookies and The Web: The Goal is Rich Interactivity
Responding to the legitimate concerns of Internet consumers, a diverse group of web developers has voluntarily formed an ad-hoc team and prepared the following article. The accompanying technical paper includes explanations of the underlying technologies, the role of cookies, discussions of the positive and negative ramifications of this technology, and selected references on this and related topics.
[Read This Article]  [Top]
Apr 22, 1997 - Active Server Components with VS 5.0
A rewrite of part one of a four-part series on Active Server objects. A simple example of creating a Active Server Component in Visual Studio 5.0 using the Active Template Library 2.0. The example component retrieves the user's cookie, if not available issues a new 128-bit cookie. Included in the issue is the source code and step by step instructions. This issue has been rewritten to illustrate the use of Visual Studio 5.0 and ATL 2.0 in writing Active Server Components.
[Read This Article]  [Top]

Code Samples
Creating a Unique Cookie with SQL Server
Check Cookie Assignment

Knowledge Base Articles
HOWTO: Disabling Cookies Sent by Active Server ...
Q163010 - 1997.06.23


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