Web Application firewall

Source:
https://www.google.com.au/search?q=WAF&biw=1449&bih=770&source=lnms&tbm=isch&sa=X&ei=nTUPVeO4G4vj8AXe5YH4Ag&ved=0CAYQ_AUoAQ#tbm=isch&q=Web+application+firewall+death&imgdii=_&imgrc=wA6vr_SSu_4hzM%253A%3BOphMKBQx8QuSiM%3Bhttp%253A%252F%252Fcdn.windows8themes.org%252Fpics%252FBlockInternet.jpg%3Bhttp%253A%252F%252Fwindows8themes.org%252Fhow-to-block-applications-from-connecting-to-internet-using-firewall-in-windows-8.html%3B177%3B177