Security Scripts

ZB Block is a fast all-around php driven security pre-parser for securing websites against several forms of attack, including robots, hackers, some spambots, and known bad hosts. It includes an installing setup.php that makes setting it up on your website, blog, bulletin board, or CMS site as easy as putting up a graphic (task comparison).

Securimage is an open-source free PHP CAPTCHA script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added into existing forms on your website to provide protection from spam bots. It can run on most any webserver as long as you have PHP installed, and GD support within PHP. Securimage does everything from generate complicated CAPTCHA images to making sure the code the user entered was correct.

Zorex PHP CryptZ is the solution for encoding and protecting your PHP scripts. Now you can encrypt your PHP files before distribution without worrying about others who might want to copy or steal your code. You can protect your PHP scripts or pages to make them unreadable by other people.

IptablesWeb is a free software: it allows to inspect iptables logs, to receive e-mails and alerts using a web browser; it\'s a plugin-based multilanguage and multiuser software written in PHP.

Easy to install captcha system to keep bots from making false submissions to your web forms. Requires PHP. Customizable in the following ways: choose font size; choose colors; choose # of characters in string; choose character set (numbers, letters, uppercase, lowercase); very customizable backgrounds.

On shared host its easy for one to read other web sites session data. This can reveal sensitive information such as usernames and passwords. Unless you use this class. This uses CAST128 encryption to encode the session name and its values.