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From "Robert F. Hall" <rfh...@berkeley.edu>
Subject Re: Denial Service Attack Prevention apache-tomcat modjk2
Date Thu, 10 Jun 2004 16:40:27 GMT
Howdy,

And you can disable the submit button up fron if the user has JavaScript 
disabled,
displaying a message to indicate that your site requires JavaScript.  
Then there is
also the SynchronizerToken which your app could use to recognize and ignore
duplicate requests.

Robert
UC Berkeley

Shapira, Yoav wrote:

>Hi,
>You can use JavaScript to disable form elements, thereby graying them
>out and preventing the user from clicking again.
>
>Yoav Shapira
>Millennium Research Informatics
>
>
>  
>
>>-----Original Message-----
>>From: Steve [mailto:tomcat@sbtt.net]
>>Sent: Thursday, June 10, 2004 10:52 AM
>>To: Tomcat Users List
>>Subject: Denial Service Attack Prevention apache-tomcat modjk2
>>
>>Looking for a solution to prevent a user from click multiply times on a
>>function in which the application is still performing from the first
>>    
>>
>click.
>  
>
>>The user thinkgs the app is not responding where in fact it is, then
>>causing the app to take a dump from multiply request.
>>
>>Using cisco css LB into --> Apache, mod_jk2 into tomcat 4.1.29
>>
>>any tips or pointers greatly appr
>>
>>-s
>>
>>
>>
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