We use all the features. It is very useful. Using WAF, we can control the WAF rules based on our application requirements. We can control what rules should be used and what should be disabled. The role of the tool is limited to HTTP traffic. It does exactly what it must do. It's a regional service. We know how to use it for DR scenarios. WAF has been the most valuable in protecting applications. We use at least three instances in the back end to give the best performance for our applications. The management and configuration of the solution is quite easy. All certificate renewals are automatically taken care of by Key Vault.