Azure gives you an option to upgrade the gateway to the Web Application Firewall tier. When you select the Upgrade to WAF Tier checkbox, the Azure portal reveals a few extra options (see Figure 4).

Azure WAF comes in two versions: Global WAF for large-scale web applications is part of Front Door, and Regional WAF is for your own virtual infrastructures.

The Azure Well-Architected Framework (WAF) helps create secure and reliable cloud solutions by providing best practices for security and reliability at an architecture level and a service level. It ...

Azure Web Application Firewall (WAF) is a cloud-native service designed to protect customers' web applications from bot attacks, common exploits, as well as common web vulnerabilities, including ...

A Web Application Firewall setting is listed for a standard application gateway. Clicking on the WAF setting causes Azure to display an option to upgrade to the WAF tier.