Design of a web-based authentication firewall

Project requirements:

1, the use of Linux iptbles as an access firewall, the default release so access to the port of 80

2, visitors through the http://x.x.x.x access to the firewall authentication system, the login operation of the account, at the same time the system to the user-bound mobile phone to send verification code, user information and SMS Verification Code authentication success, the page return landing success message.

3. After the background program obtains the landing success message of the page callback, the database is searched, and the firewall rules are generated dynamically.

4, the use of PHP and C language to complete the above Firewall function module development.

Design of a web-based authentication firewall