HAProxyConf 2025 Recap
A recap of the new product announcements, customer presentations, and key takeaways from HAProxyConf 2025.
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HAProxy goes big at KubeCon London 2025
Attendees were stunned by the scale of our presence at KubeCon London and the breadth and depth of our solutions — enabled by the HAProxy One platform.
Announcing HAProxy Enterprise 3.1
HAProxy Enterprise 3.1 delivers a brand new ADFSPIP Module and enhancements to the HAProxy Enterprise UDP Module, CAPTCHA Module, Global Profiling Engine, and more!
January 2025 – Multiple rsync CVEs impacting memory and file handling in Linux virtual images
The latest versions of HAProxy Fusion fix multiple rsync vulnerabilities related to memory handling and file management in HAProxy Fusion’s Linux-based virtual images. We will cover these CVEs here.
Announcing HAProxy 3.1
HAProxy 3.1 brings improvements to observability, reliability, performance, and flexibility.
Announcing HAProxy Data Plane API 3.0
Following the recent HAProxy 3.0 release, we're proud to announce that we've released HAProxy Data Plane API 3.0, which is available on our GitHub page.
September 2024 – CVE-2024-45506: endless loop in HTTP/2 with zero-copy forwarding in HAProxy
The latest versions of our products fix a vulnerability related to a possible endless loop in the HTTP/2 multiplexer when combined with zero-copy forwarding system in HAProxy, HAProxy Enterprise...
The Customer Feedback Loop That Makes HAProxy G2’s Satisfaction Score Leader
HAProxy received a Satisfaction Score of 98 in the G2 Grid® Reports for Summer 2024, and that's no accident. See how HAProxy responds to user feedback to provide a world-class customer experience.
July 2024 – CVE-2024-24791: HTTP/1.1 response code mishandling in golang products
The latest versions of our products fix a vulnerability related to HTTP/1.1 response code mishandling in products written in golang.
July 2024 – CVE-2024-6387: RCE in OpenSSH server
The latest versions of our products fix a vulnerability related to OpenSSH’s server (sshd), which is used in the public/private cloud images of HAProxy Enterprise...
Announcing HAProxy 3.0
HAProxy 3.0 maintains its edge over alternatives with best-in-class load balancing. Ready to upgrade? Here’s how to get started.
HAProxy is Resilient to the HTTP/2 CONTINUATION Flood
Our implementation of the HTTP/2 protocol can effectively handle the CONTINUATION Flood.
December 2023 - CVE-2023-45539: HAProxy Accepts # as Part of the URI Component Fixed
We have received questions regarding CVE-2023-45539 issued in November 2023. The versions of our products released on Monday, 21 August 2023 to fix...
Announcing HAProxy 2.9
HAProxy 2.9 is faster, more flexible, and more observable than ever before. Ready to upgrade? Here’s how to get started.
Announcing HAProxy Fusion 1.2 LTS
HAProxy Fusion 1.2 brings new efficiencies, workflows, and form factors that enable you to be more productive, use more of your favorite tools, and explore powerful new use cases.
HAProxy's growth continues with rave reviews and powerful capabilities
The G2 Fall 2023 Reports are in! HAProxy's acclaim across multiple categories, market levels, and global segments has risen. Here's what users are saying about their HAProxy use cases.
HAProxy is not affected by the HTTP/2 Rapid Reset Attack (CVE-2023-44487)
CVE-2023-44487 found in the HTTP/2 protocol could allow a DoS attack against web servers, reverse proxies, or other software. HAProxy products are unaffected, but we're monitoring the situation.
Announcing HAProxy Enterprise 2.8 & HAProxy ALOHA 15.5
Users who upgrade to the latest versions will benefit from features that enhance the flexibility of our enterprise security options to meet even more use cases.
August 2023 - CVE-2023-40225: Empty content-length header vulnerability fixed
HAProxy Technologies released new versions of its products to fix the vulnerability CVE-2023-40225. Learn more here.
G2’s Most Recommended WAF & DDoS Protection
The G2 Summer 2023 Grid Reports recognize HAProxy as a leader in the Web Application Firewall (WAF) and DDoS Protection categories.
Announcing HAProxy Data Plane API 2.8
Following the recent HAProxy 2.8 release, we are proud to announce that we have released HAProxy Data Plane API 2.8, available on our GitHub page.
Announcing HAProxy 2.8
We're thrilled to announce the community-driven HAProxy 2.8 release! Join us on GitHub, Slack, Discourse, and the HAProxy mailing list.
HAProxy Fusion 1.1 Enables Application Delivery at Scale
Discover more about the new, more secure, and even easier to use version 1.1 of the HAProxy Fusion Control Plane in this blog post.
Announcing HAProxy Data Plane API 2.7
HAProxy Technologies is proud to unveil the 2.7 release of HAProxy Data Plane API. With this release, we support all HAProxy configuration keywords in the Data Plane API.
Announcing HAProxy Kubernetes Ingress Controller 1.10
HAProxy Kubernetes Ingress Controller 1.10 is now available. HAProxy Enterprise Kubernetes Ingress Controller 1.10 is coming soon, and will incorporate these same features.In this release, we added pa
Announcing HAProxy Enterprise 2.7 & HAProxy ALOHA 15
HAProxy Enterprise 2.7 and HAProxy ALOHA 15 are now available. If you want to start the upgrade procedure straight away, go to the upgrade instructions.
HAProxy Fusion has landed (simple, scalable, and secure)
HAProxy Fusion Control Plane gives the power to simplify, scale, and secure HAProxy application delivery infrastructure using a centralized control plane.
February 2023 – CVE-2023-25725: Header Parser Fixed
HAProxy Technologies has announced that HAProxy 2.0 or newer, HAProxy Enterprise 2.0 or newer, and HAProxy ALOHA 12.5 or newer are affected by CVE-2023-25725. If you are using an affected product you
HAProxy user reviews show community momentum
Taking the new G2 reports, user reviews, and real-world benchmark results, HAProxy stands as a market leader in application delivery and customer experience.
Announcing HAProxy 2.7 and HAProxy Enterprise 2.7r1
HAProxy 2.7 adds features such as Traffic Shaping, Stick Tables Sharding, Scalability Improvements, and Layer 7 HTTP Retry Updates.
Upgrade OpenSSL 3.0 to Protect Against a Critical Vulnerability
If you are using OpenSSL version 3.0 or above with HAProxy, you should update to OpenSSL version 3.0.7.
Announcing HAProxy Data Plane API 2.6
We updated the HAProxy Data Plane API to cover more HAProxy configuration keywords. In this blog, you’ll see everything we’ve added.
Announcing HAProxy Kubernetes Ingress Controller 1.8
In 1.8 of the HAProxy Kubernetes Ingress Controller release, we added support for full rootless mode, Prometheus metrics for the controller itself, and...
Announcing HAProxy 2.6
As always, the community behind HAProxy made it possible to bring the enhancements in HAProxy 2.6 release. Read on for a list of changes in HAProxy 2.6.
April/2022 – CVE-2022-22965: Spring4Shell Remote Code Execution Mitigation
Remote Code Execution vulnerability was discovered in the Java Spring Core library. This allows attackers to execute arbitrary code on affected systems.
Announcing HAProxy Data Plane API 2.5
We focused on covering more HAProxy keywords, making the API a full-fledged way to configure HAProxy. In that area, version 2.5 brings a lot of improvements.
December/2021 – CVE-2021-44228: Log4Shell Remote Code Execution Mitigation
Vulnerability which is tracked in CVE-2021-44228, dubbed Log4Shell, allows attackers to execute arbitrary code on affected systems.
Willy Tarreau on HAProxy at its 20 year anniversary (interview)
In this interview, Willy describes his views on the success of the project, and how it grew over the years.
Announcing HAProxy Data Plane API 2.4
Version 2.4 improves e2e tests, revamps how logging in the HAProxy Data Plane API works, adds support for namespace filtering in Consul Service Discovery, and much more.
Announcing HAProxy Kubernetes Ingress Controller 1.7
In the 1.7 version of the HAProxy Kubernetes Ingress Controller, we added support for custom resource definitions that cover most of the configuration settings.
September/2021–CVE-2021-40346: Duplicate ‘Content-Length’ Header Fixed
If you use HAProxy 2.0 or up, you must update to the latest version. A vulnerability was found that makes it possible for an attacker to...
August/2021 – HAProxy 2.0+ HTTP/2 Vulnerabilities Fixed
If you are using HAProxy 2.0 or newer, it is important that you update to the latest version. A vulnerability was found, and here's what you should know.
Announcing HAProxy 2.4
HAProxy 2.4 adds features such as support for HTTP/2 WebSockets, authorization and routing of MQTT and FIX protocol messages, DNS resolution over TCP, and more.
Announcing HAProxy Data Plane API 2.3
HAProxy Data Plane API 2.3 expands its service discovery mechanisms and introduces native support for discovering AWS EC2 instances and auto-scaling groups.
Announcing HAProxy Kubernetes Ingress Controller 1.6
Version 1.6 of the HAProxy Kubernetes Ingress Controller gives you more access to the features present in the underlying HAProxy engine. You can now...
HAProxy Enterprise 2.3 & HAProxy 2.4 support the Financial Information eXchange (FIX) protocol
Having FIX available in HAProxy is great news for financial organizations. Here are the benefits of using HAProxy to route traffic to your FIX application servers.
Announcing HAProxy Kubernetes Ingress Controller 1.5
The HAProxy Kubernetes Ingress Controller 1.5 release brings some exciting features that let you control the underlying configuration, and much more.
Announcing HAProxy Data Plane API 2.2
The HAProxy Data Plane API version 2.2 adds service discovery capabilities with a native Consul integration. It also introduces file handling and storage support for...
vSphere 7 With Tanzu Integrates With HAProxy for Load Balancing Enterprise-Grade Kubernetes
Learn more about why VMware chose to partner with HAProxy Technologies and use the HAProxy as the default load balancer for its Tanzu Kubernetes clusters.
Announcing HAProxy 2.3
HAProxy 2.3 adds exciting features such as forwarding, prioritizing, and translating messages sent over the Syslog Protocol on both UDP and TCP, and much more.
Announcing HAProxy Data Plane API 2.1
Version 2.1 of the HAProxy Data Plane API expands support to all available request and response actions, adds Lua actions, and improves file handling.
Announcing HAProxy 2.2
HAProxy 2.2 adds exciting features such as a fully dynamic SSL certificate storage, a native response generator, security hardening, and much more.
Announcing HAProxy Data Plane API 2.0
Version 2.0 of the HAProxy Data Plane API brings exciting enhancements that unlock the power of HAProxy’s flexible configuration and its runtime capabilities.
HAProxy Enterprise Ingress Controller Coming Soon to the Red Hat Marketplace
HAProxy Enterprise will be offered in the Red Hat Marketplace, allowing OpenShift users to take advantage of its advanced features for Ingress.
We’re building a rich ecosystem of certified HAProxy integrations
HAProxy Technologies is rolling out the Certified Integrations Partner Program to ensure its customers have access to integrations certified to work well.
HAProxy 2.1: Supercharged Performance & Streamlined Codebase
HAProxy 2.1 brings visible performance gains in key areas and new features including Dynamic SSL Certificate Updates, FastCGI and a streamlined codebase.
Introducing HAProxyConf 2019
Announcing our first-ever HAProxy user conference, HAProxyConf 2019! We’re excited about the speakers we have lined up, as well as bringing people together.
HAProxy 2.0 & beyond
HAProxy Technologies is excited to announce the release of HAProxy 2.0, bringing features critical for cloud-native and containerized environments.
DNS for Service Discovery in HAProxy
Learn how to use DNS service discovery in HAProxy to detect server changes and automatically apply them to your configuration.
HAProxy 1.9 Has Arrived
Announcing the release of HAProxy 1.9, which brings end-to-end HTTP/2, buffer and connection management improvements, native HTTP representation, and more.
Application-Layer DDoS Attack Protection With HAProxy
HAProxy's high-performance security capabilities are utilized as a key line of defense by many of the world's top enterprises. Application-layer DDoS attacks are aimed at overwhelming an application w
Announcing HAProxy Enterprise 1.8r1
We are very excited to announce the release of HAProxy Enterprise 1.8r1, which is built on top of the monumental stable release of HAProxy 1.8.
HAProxy Enterprise Edition now on AWS marketplace
LLC. is pleased to announce that HAProxy Enterprise Edition, the commercial version of its popular load balancer, is now available on AWS Marketplace.
Announcing HAProxy 1.8
The monumental stable release of HAProxy 1.8 is here! The HAProxy 1.8 release candidate 1 (RC1) has been published by the R&D team here at HAProxy Technologies.
Dynamic Scaling for Microservices With the HAProxy Runtime API
Microservices architectures require the ability to make frequent app delivery changes in an automated and reliable way. The HAProxy Runtime API enables this.
Truly Seamless Reloads With HAProxy – No More Hacks!
What users often call a “seamless” or “hitless” reload is a configuration update or a service upgrade performed with no impact on user experience.
HAProxy Technologies offers free hardware load balancers to students and interns
We're willing to offer a couple of load balancers for free to any student or intern who can describe a project they're working on that involves load balancing.
ALOHA Pocket is Coming…
This is the ALOHA Pocket. Probably the smallest load balancer you have ever seen from any vendor.
Announcing HAProxy 1.6
13th of October 2015, Willy Terrau announced the release of HAProxy 1.6.0, after 16 months of development. A total of 1156 commits from 59 people were committed.