File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
http://aspose.com/file-tools
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I need a traffic restriction solution

 
Kamila Rutkowski
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I'm searching for a solution to display automatically a captcha when more than one request received from same address per hour. Could any one please help me?
 
Tim Holloway
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That can be sticky. A lot of places have thousands of users who all appear to the webserver as being at the same IP address. Even my own site has half a dozen, and it's just a SOHO setup.

You could use cookies, but of course, anyone attempting to assault you would also probably be impolite enough to strip out the cookies.

There are a number of JSF captcha tags available right now, so displaying and filtering via captcha is easy. If you truly want to grab IP addresses, you could build a hashtable in the backing bean, add IPs as they come in, and set the "rendered" attribute on the captcha according to whether the entry is new or a repeat.
 
I agree. Here's the link: http://aspose.com/file-tools
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