During implementation of the concept in Part 1 I discovered that Traffic Manager probes were not accurately reporting outages of the web app’s and would still route traffic to improperly functioning web apps. This article corrects that oversight, and combined with Part 1 is a complete solution to enable the usage of Traffic Manager, Web Application Firewall, and Web App’s together.
Application Gateway
Using Azure Application Gateway WAF’s to secure Azure Web Apps with Traffic Manager for Geo-redundancy Part 1
Why?
What lead me down this path is my desire to use PAAS whenever possible and avoid IAAS unless its absolutely necessary. Often the number one security requirement for a deployment is to put your services behind a WAF (Web Application Firewall) to offer a first line of defense against many different types of attacks.