How to Enable Health Checks in HAProxy
HAProxy provides active, passive, and agent health checks. HAProxy makes your web applications highly available by spreading requests across a pool of backend servers. If one or even several servers fail, clients can still use your app as long as there are...
Rate Limiting with the HAProxy Kubernetes Ingress Controller
Add IP-by-IP rate limiting to the HAProxy Kubernetes Ingress Controller. DDoS (distributed denial of service) events occur when an attacker or group of attackers flood your application or API with disruptive traffic, hoping to exhaust its resources and prevent...
September/2021 – CVE-2021-40346: Duplicate ‘Content-Length’ Header Fixed
If you are using HAProxy 2.0 or newer, it is important that you update to the latest version. A vulnerability was found that makes it possible for an attacker to bypass the check for a duplicate HTTP Content-Length header, permitting a request smuggling attack or a...
Testing Your HAProxy Configuration
Learn how to test your HAProxy Configuration. Properly testing your HAProxy configuration file is a simple, yet crucial part of administering your load balancer. Remembering to run one simple command after making a change to your configuration file can save you from...
The HAProxy APIs
The HAProxy load balancer provides a set of APIs for configuring it programmatically. Although many people enjoy the simplicity of configuring their HAProxy load balancer by directly editing its configuration file, /etc/haproxy/haproxy.cfg, others want a way to...
![[On-Demand Webinar] Run the HAProxy Kubernetes Ingress Controller in External Mode](https://cdn.haproxy.com/wp-content/uploads/2021/08/Webinar-Run-the-HAProxy-Kubernetes-Ingress-Controller-in-External-Mode-1-1000x500.png)
[On-Demand Webinar] Run the HAProxy Kubernetes Ingress Controller in External Mode
Traditionally, connecting clients to services in Kubernetes has required multiple layers of proxies. For example, an external load balancer will route traffic to your nodes. Then, kube-proxy passes the message to the node running an ingress controller. The ingress...
Install HAProxy on Ubuntu
Learn how to Install HAProxy on Ubuntu 20.04. Ubuntu 20.04 is a great choice for installing your HAProxy software load balancer. It's a free Linux operating system that's fast, secure, and best of all, it's easy to use. One of the features that makes Ubuntu so...
August/2021 – HAProxy 2.0+ HTTP/2 Vulnerabilities Fixed
A vulnerability was found that makes it possible to abuse the HTTP/2 parser, allowing an attacker to prepend hostnames to a request, append top-level domains to an existing domain, and inject invalid characters through the :method pseudo-header.
How to Run HAProxy with Docker
Can you run HAProxy as a Docker container? Yes! Did you even need to ask? Docker is ubiquitous these days and you'll find that many applications have been Docker-ized; the HAProxy load balancer is no exception. Pardon the cliché, but HAProxy was born for this....
AWS EC2 Service Discovery with HAProxy
AWS Auto Scaling groups are a powerful tool for creating scaling plans for your application. They let you dynamically create a group of EC2 instances that will maintain a consistent and predictable level of service. HAProxy's Data Plane API adds a cloud-native method...
![[On-Demand Webinar] What’s New in the HAProxy Data Plane API 2.3](https://cdn.haproxy.com/wp-content/uploads/2021/07/Webinar-Data-Plane-API-2_3-WATCH-NOW-1000x500.png)
[On-Demand Webinar] What’s New in the HAProxy Data Plane API 2.3
The HAProxy Data Plane API enables remote, dynamic configuration of your HAProxy load balancers. Version 2.3 of the API adds: service discovery for AWS EC2 instances and Auto Scaling groups, the ability to view, add, and remove HAProxy ACLs, support for forwarding API...
Events
![[Conference] KubeCon + CloudNativeCon North America 2021](https://cdn.haproxy.com/wp-content/uploads/2021/07/KubeCon-NA-2021.png)
[Conference] KubeCon + CloudNativeCon North America 2021
KubeCon + CloudNativeCon North America 2021 is a hybrid event (in-person and virtual) on October 13-15th, that will gather adopters and technologists from leading open source and cloud-native communities. The in-person event will be held in Los Angeles, CA. If...
