This experiment will show you, how to build a simple captive portal using PHP and iptables on Linux Ubuntu.

reCAPTCHA is a free CAPTCHA service that protects your site against spam, malicious registrations and other forms of attacks where computers try to disguise themselves as a human;

This is my first published library for Panada Framework. The library named Akismet library. This library is used to submit checking for SPAM to Akismet.