WAFW00F is a Python tool to help you fingerprint and identify Web Application Firewall (WAF) products. It is an active reconnaissance tool as it actually connects to the web server, but it starts out with a normal HTTP response and escalates as necessary.
# git clone https://github.com/EnableSecurity/wafw00f.git wafw00f
# cd wafw00f/wafw00f # python main.py example.com
You will find the WAF use for website which will help you to do more test.