Alain Roger wrote: > Hi, > > There is a trend on internet that when you want to change your password, > you > need to type : > 1. the former password. > 2. the new one > 3. a 2nd time the new one to confirm that no mistake has been done on step > 2. > > however, several website also propose an additional security to avoid > hacking/brute force, they display a 4 digit image with a "random" string > including number and letters... something like A3P23. > if user do not respect case and string, password is not changed. > > I would like to know how such system works and if a tutorial exist about > that ? > > thanks a lot, http://pear.php.net/Text_CAPTCHA http://pear.php.net/package/Text_CAPTCHA_Numeral Regards, Greg -- Experience the revolution, buy the PEAR Installer Manifesto http://www.packtpub.com/book/PEAR-installer -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
