On Tue, March 20, 2007 11:52 am, Alain Roger wrote: > 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 ? Search for the term "CAPTCHA" in Google. Add in PHP to get just PHP solutions. You will find LOTS. -- Some people have a "gift" link here. Know what I want? I want you to buy a CD from some starving artist. http://cdbaby.com/browse/from/lynch Yeah, I get a buck. So? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
