Secure PHP login script

Let's look around: sites, forums, guest books, Internet shops etc. use registration with the subsequent authorization of users. It is possible even to tell that this almost necessary condition for access reception to key functions of each site. We already so have got used to this phenomenon that seems as if sites were such always. For what it is necessary? Authorization process (access receptions to the account) prevents unauthorized access to your information (to files, folders, customizations etc.). In other words, protects access to your information specified by you at registration by login and password. This method allows to save user passwords and logins on server database together with their permitted access level. When this method is used, a visitor that enters a website for the first time must input is login/password. After this his personal account is created by a system, his profile is saved in database. Registration prohibits free access to its resources and makes it possible only after successful authorization procedure. The given operation is made by means of secure PHP login script.

The given script is intended for registration on a site.

At registration the login of the user and the password is written in a database. At authorization there is a login and password matching if they are true secure PHP login script generates casual string which is saved in a database and there is a new session with value of "successful authorization». Also in secure PHP login script is possibility to anchor the registration data to certain IP-address that provides the big safety, but calls limitations at an input from other computers. The generated information is written in cookie, or transferred through address string of a browser (if cookies are turned off).

By using secure PHP login script there are some useful functions, such as:

• - "Remember Me" feature;
• - binding to the fixed IP-address;
• - IP block (includes defining amount of failed logins before IP block, block period, block message configuration);
• - ban IP list configuration (add/remove IP addresses);
• - password sharing prevention system (allows to set the number of different IP addresses that can access one account before this account will be baned, period in seconds to count IP addresses that access one and the same account).

secure PHP login script is popular solution thanks to ideal balance of convenience of using and safety.

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