General availability: Web Application Firewall for Azure Front Door managed ruleset refresh
Published date: February 19, 2021
Azure Web Application Firewall with Azure Front Door has a new version of managed ruleset available, Microsoft_DefaultRuleSet_1.1. Powered by Microsoft Threat Intelligence, Microsoft_DefaultRuleSet_1.1 adds new rules for broader coverage and modifications for some existing rules to reduce false positives.
For more details, read Tutorial: Create WAF policy for Azure Front Door - Azure portal | Microsoft Docs