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Microsoft Certified: Azure Solutions Architect Expert · Microsoft
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Got this on 14-Apr-2023
Azure Load Balancer is a regional Layer 4 load balancer that can distribute network traffic within a single region. While it can balance requests between instances within that region, it cannot distribute traffic across multiple regions. Additionally, Azure Load Balancer does not have built-in rate limiting functionality. For your requirements, you should consider using Azure Front Door with Web Application Firewall (WAF). Azure Front Door is a global load balancer that can distribute traffic optimally to services across multiple regions, ensuring high availability in the event of a regional outage. By enabling WAF, you can configure custom rate limiting rules to control incoming traffic to your web app.
So there you have it: Azure Application Gateway, Azure Load Balancer and Azure Traffic Manage do not provide rate limiting. Only Azure Web Application Firewall (WAF) rate limit rule for Azure Front Door does !!