We re setting up a new webserver with PHP5.3 and are getting the "Error: could not connect: mysqlnd cannot connect to MySQL 4.1+ using old authentication ?" error message. After some google ing I ve found that we should set old passwords = 0 in my.cnf and reset the password(s). But we still have webservers running php 4.x & 5.2 that access the same mysql server (different users & databases), how will these be affected by this ? Will the mysql server be compatible with all the different PHP versions ?
Brute-force/DoS prevention in PHP [closed]
I am trying to write a script to prevent brute-force login attempts in a website I m building. The logic goes something like this: User sends login information. Check if username and password is ...