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Technology Stocks : DATEK Web Pages
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To: Jon Tara who wrote (93)4/15/1998 11:20:00 PM
From: Gorak Shep  Read Replies (1) of 205
 
One more possibility - if Datek restarts their web server, then their authentication cache will probably be lost, and you would have to re-authenticate.

This is not true. Authorization is an attribute-value pair in the header fields of an HTTP request. When you first try to contact Datek (or any host), your request does not contain this pair and the Datek server returns an authorization failure. In response to this, your browser then puts up the popup dialog asking for the username-password information and remembers it with respect to the domain name of your request. It then resends the original request with the included authorization information. All future requests to the same host use the authorization info saved by the browser. If you quit your browser, this information is forgotten. If you restart your browser and then try to access Datek again, you will again be asked for username and password. Since the info is cached per domain name, the browser must ask for each different Datek server.

To sum, servers don't remember the authorization info like datek's username and password; your browser does. Servers are stateless.

For completeness, the authorization pair is sent in the form:

Authorization: username:password

where username:password is base64 encoded
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