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Implementing Captcha

 
Greenhorn
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Hello,

I am trying to implement a simple captcha for my login form.

i.e after entering the user id/pwd the user should also enter the captcha and then go to next page.

First of all I need to know is there any captcha server required to implement it. Or if not, then how could this be implemented . ( any specific jars etc required).

Thanks
Sagar

 
Rancher
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jcaptcha seems to be popular.
 
I carry this gun in case a vending machine doesn't give me my fritos. This gun and this tiny ad:
Java file APIs (DOC, XLS, PDF, and many more)
https://products.aspose.com/total/java
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