HAProxy Enterprise functions as a reverse proxy, offering rate limiting among a suite of other features to manage the rate of requests flowing into your VPC through the load balancer itself. Unmonitored usage can result in unexpected spikes in cloud expenses. Uncontrolled requests can expose vulnerabilities and compromise system security. Unrestricted access may lead to users consuming more than their fair share of resources, impacting the overall performance of your applications. Managing request rates in your AWS Virtual Private Cloud is crucial to address several challenges: ![]() In those cases, you can use the VPC ID (a unique ID used to identify and manage the cloud network within your AWS account) to configure rate limiting in HAProxy Enterprise. This means that the traditional way of rate limiting based on Source IP will not work. Sometimes one of these VPCs is beyond your control (where the VPCs have duplicate network address spaces). In some situations, customers will configure VPC Peering, which involves connecting two different VPCs together to open a network between them. Running your services on a VPC means reaping the benefits of cloud environments-flexibility, scalability, and resource allocation. Resembling much of a traditional network that you would operate in your own data center, a VPC is capable of hosting web applications and APIs. A VPC runs in an isolated environment from other virtual networks in the AWS Cloud and is required when creating Elastic Compute Cloud (EC2) instances. ![]() Understanding AWS Virtual Private Clouds What is a VPC?Ī virtual private cloud (VPC) is a virtual network dedicated to your AWS account. ![]() In this blog post, we show how you can implement rate limiting based on the ID of the Virtual Private Cloud in Amazon Web Services using HAProxy Enterprise. To accomplish this, one of the tools HAProxy Enterprise users have at their disposal is rate limiting-the practice of preventing clients from making too many requests and using system resources unfairly. Managing incoming web traffic for your applications is essential to ensuring optimal performance, preventing abuse, and maintaining the security of your cloud infrastructure.
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