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Example code of aalfiann/url-param-firewall

Informations about the package url-param-firewall

URL Parameter Firewall

Version Total Downloads License

A PSR7 middleware for url parameter firewall for Slim Framework 3.

Why we should create firewall for url parameter?

  1. To prevent from ddos layer 7 which is targeting to attack using random url parameters.
  2. To prevent useless webpage cache.
  3. To avoid BOT goes to wrong url.
  4. To hardening the CSRF and XSS attack.
  5. Etc.

So you better to whitelisting url parameter for each routes.

Installation

Install this package via Composer.

Usage

Open browser and now make a test:
http://yourdomain.com/ >> WORK
http://yourdomain.com/?page=1 >> WORK
http://yourdomain.com/?page=1&_=3123123 >> WORK
http://yourdomain.com/?product=test >> 404
http://yourdomain.com/?page=1&_=3123123&product=test >> 404

Note:
We should allow url param name _ because it used in jquery ajax cache.

All versions of url-param-firewall with dependencies

PHP Build Version
Package Version
Requires php Version >=5.5
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