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iota · 08-10-2006, 01:51 PM

I think I'd better to use sleep(rand(5, 10)); for after xx tries with session cookie validation.

I think CAPTCHA is most suitable way coz almost all sites on the web use it already.

So are there any valunerablities or weakness on CAPTCHA ?

Some Captcha are done by means of md5(secret_key+random_num).

can they said secure ? coz once we get secret_key, .....

08-10-2006, 01:51 PM	PM User \| #6
iota Registered User Join Date: Oct 2004 Posts: 592 Thanks: 0 Thanked 1 Time in 1 Post	I think I'd better to use sleep(rand(5, 10)); for after xx tries with session cookie validation. I think CAPTCHA is most suitable way coz almost all sites on the web use it already. So are there any valunerablities or weakness on CAPTCHA ? Some Captcha are done by means of md5(secret_key+random_num). can they said secure ? coz once we get secret_key, .....