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Overview As organizations adopt microservice architectures on AWS, the gRPC protocol has become a popular choice for inter-service communication due to its performance and efficiency. However, this shift introduces new challenges for security and governance. A common misconfiguration involves routing gRPC traffic through an AWS Application Load Balancer (ALB) without enabling native protocol support, effectively […]

Overview In any sophisticated AWS environment, Elastic Load Balancing (ELB) is the front door, directing user traffic across fleets of EC2 instances, containers, and other backend targets. A critical, yet often overlooked, configuration for this service is cross-zone load balancing. This setting dictates whether a load balancer can distribute traffic to targets in any Availability […]

Overview In AWS environments, the Application Load Balancer (ALB) is a fundamental component for distributing traffic and ensuring application availability. However, its default configuration uses a simple Round Robin algorithm, which distributes requests sequentially to each target. This approach treats all backend instances and all requests as equal, an assumption that rarely holds true in […]

Overview In any AWS environment, the Application Load Balancer (ALB) acts as the primary gateway for incoming traffic, directing requests to backend services like EC2 instances or containers. As the first line of defense, its configuration is paramount to your application’s security posture. A frequently overlooked but critical setting is the option to “Drop Invalid […]

Overview In a modern AWS environment, the Application Load Balancer (ALB) is the front door to your applications, managing traffic flow and providing a critical first line of defense. However, a sophisticated threat known as HTTP Request Smuggling, or HTTP Desync, can turn this asset into a liability. This attack exploits subtle differences in how […]