HAProxy Technologies Blog | Expert Insights & Industry News

October 20th, 2025

Announcing HAProxy Enterprise 3.2

Bots Load Balancing / Routing Observability Performance Product Release Products Security SSL TLS

HAProxy Enterprise 3.2 brings next-generation security intelligence, extends its industry-leading performance, and expands the native routing and integration capabilities in HAProxy Enterprise.

October 8th, 2025

October 2025 – CVE-2025-59303: secret leak in HAProxy Kubernetes Ingress Controller

CVE Security Products News

Upgrade to the lastest version of HAProxy Kubernetes Ingress Controller (KIC) to address a vulnerability allowing privilege escalation. Learn about affected versions, remediation, and workarounds.

October 2025 – CVE-2025-59303: secret leak in HAProxy Kubernetes Ingress Controller

October 3rd, 2025

October 2025 – CVE-2025-11230: denial of service vulnerability in HAProxy mjson library

CVE Security Products News

The latest versions of HAProxy Community and Enterprise have patches for a critical denial of service vulnerability in the mjson library.

October 2025 – CVE-2025-11230: denial of service vulnerability in HAProxy mjson library

August 20th, 2025

Black Hat USA 2025 recap

AI Gateway API Gateway Security

This year at Black Hat USA, the conversation focused on model context protocol (MCP), agentic workflows, and how security fundamentals still matter.

July 22nd, 2025

HAProxy Enterprise WAF protects against Microsoft SharePoint CVE-2025-53770 / CVE-2025-53771

CVE Security

CVE-2025-53770 and CVE-2025-53771 are currently being exploited in the wild. However, users of HAProxy Enterprise WAF are protected automatically.

HAProxy Enterprise WAF protects against Microsoft SharePoint CVE-2025-53770 / CVE-2025-53771

July 9th, 2025

HAProxyConf 2025 Recap

Event News

A recap of the new product announcements, customer presentations, and key takeaways from HAProxyConf 2025.

May 28th, 2025

Announcing HAProxy 3.2

Product Release Load Balancing / Routing

HAProxy 3.2 gives you more of what matters most: exceptional performance and efficiency, best-in-class SSL/TLS, deep observability, and flexible control over your traffic.

May 21st, 2025

Protecting against SAP NetWeaver vulnerability (CVE-2025-31324) with HAProxy

CVE Security

Mitigate SAP NetWeaver CVE-2025-31324 with HAProxy. Learn how to block unauthenticated file uploads and protect your systems from severe risk.

Protecting against SAP NetWeaver vulnerability (CVE-2025-31324) with HAProxy

May 6th, 2025

The State of SSL Stacks

Benchmarking SSL Thought Leadership

The SSL landscape has shifted dramatically, raising questions about performance, efficiency, and costs. In this paper, we examine OpenSSL 3.x, BoringSSL, LibreSSL, WolfSSL, and AWS-LC with HAProxy.

April 24th, 2025

Lessons learned in LLM prompt security: securing AI with AI

AI Gateway Security

We are experimenting with AI for prompt security in AI Gateways. Discover key lessons, performance issues, and how to optimize for practical use.

Lessons learned in LLM prompt security: securing AI with AI

April 14th, 2025

Choosing the right transport protocol: TCP vs. UDP vs. QUIC

Basics Protocols

A decision-making framework breaking down the strengths, weaknesses and ideal use cases to help users choose the proper protocol for their systems.

Choosing the right transport protocol: TCP vs. UDP vs. QUIC

April 10th, 2025

HAProxy goes big at KubeCon London 2025

News Event

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.

March 28th, 2025

Load Balancing VMware Horizon's UDP and TCP Traffic: A Guide with HAProxy

Guide Protocols Solutions

Learn how to load balance VMware Horizon's complex UDP and TCP traffic using HAProxy's stateless stickiness. Improve remote desktop performance and reliability.

Load Balancing VMware Horizon's UDP and TCP Traffic: A Guide with HAProxy

March 25th, 2025

Protecting against Next.js middleware vulnerability CVE-2025-29927 with HAProxy

Tech Security

A recently discovered security vulnerability requires attention from development teams using Next.js in production environments.

Protecting against Next.js middleware vulnerability CVE-2025-29927 with HAProxy

March 19th, 2025

Announcing HAProxy ALOHA 17.0

Load Balancing / Routing Products Product Release Observability Protocols Performance

HAProxy ALOHA 17.0 introduces the new UDP Module and extends network management to the Data Plane API, a new API-based approach to network configuration.

March 12th, 2025

Announcing HAProxy Enterprise 3.1

Product Release Products Security Observability News Load Balancing / Routing

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!

February 3rd, 2025

Reviewing Every New Feature in HAProxy 3.1

Load Balancing / Routing Application Monitoring Observability Basics Devops

HAProxy 3.1 makes significant gains in performance and usability, with better capabilities for troubleshooting. Our blog post explores all the updates.

Reviewing Every New Feature in HAProxy 3.1

January 28th, 2025

Announcing HAProxy Kubernetes Ingress Controller 3.1

Product Release Kubernetes

HAProxy Kubernetes Ingress Controller 3.1 introduces expanded support for TCP CRDs, runtime improvements, and parallelization when writing maps.

Announcing HAProxy Kubernetes Ingress Controller 3.1

January 22nd, 2025

Announcing HAProxy Enterprise Kubernetes Ingress Controller 3.0

Kubernetes Product Release

HAProxy Enterprise Kubernetes Ingress Controller 3.0 is packed with powerful new features that bring greater control, performance, and observability to managing Kubernetes environments.

Announcing HAProxy Enterprise Kubernetes Ingress Controller 3.0

January 22nd, 2025

January 2025 – Multiple rsync CVEs impacting memory and file handling in Linux virtual images

CVE Security Products News

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.

January 2025 – Multiple rsync CVEs impacting memory and file handling in Linux virtual images

December 13th, 2024

Lasting Impressions and Technical Tidbits From AWS re:Invent 2024

AI Gateway API Gateway Cloud Event Load Balancing / Routing Products Security

AWS re:Invent 2024 has officially wrapped up, but not everything that happens in Vegas stays in Vegas. Here are some key takeaways from our five days spent with AWS and app delivery enthusiasts.

Lasting Impressions and Technical Tidbits From AWS re:Invent 2024

November 27th, 2024

Announcing HAProxy ALOHA 16.5

Bots Security Product Release

HAProxy ALOHA 16.5 is now available, bringing the new Bot Management Module, the new Network Management CLI, and more!

November 26th, 2024

Announcing HAProxy 3.1

News Tech Load Balancing / Routing Product Release

HAProxy 3.1 brings improvements to observability, reliability, performance, and flexibility.

November 21st, 2024

KubeCon NA 2024: service discovery, security, and AI — oh my!

AI Gateway API Gateway Event Kubernetes Load Balancing / Routing Products Security Service Discovery Bots

Though KubeCon North America 2024 has officially come to a close, the CNCF's flagship event has left us buzzing with residual excitement. Here's what we've learned throughout those four days.

KubeCon NA 2024: service discovery, security, and AI — oh my!

November 14th, 2024

Announcing HAProxy Enterprise 3.0

Load Balancing / Routing Observability Performance Product Release Security SSL TLS

HAProxy Enterprise 3.0 extends HAProxy Enterprise’s legendary performance and flexibility and builds upon its cornerstone features.

October 31st, 2024

Nearly 90% of our AI crawler traffic is from TikTok parent ByteDance – lessons learned

Bots Load Balancing / Routing Performance Products Security

TikTok’s web scraper, Bytespider, is reportedly aggressively sucking up content to fuel generative AI models. We also noticed this while reviewing bot management analytics. Here's what we've learned.

Nearly 90% of our AI crawler traffic is from TikTok parent ByteDance – lessons learned

October 29th, 2024

Announcing HAProxy Fusion 1.3

Product Release Application Monitoring Kubernetes Load Balancing / Routing Observability Performance Security Service Discovery

HAProxy Fusion 1.3 is now available! New custom dashboards, high-performance Kubernetes service discovery, and optimized workflows bolster HAProxy Fusion's observability and flexibility.

October 24th, 2024

Encoding HAProxy logs in machine-readable JSON or CBOR

Observability

The addition of JSON and CBOR encoding in HAProxy 3.0 streamlines log management and improves interoperability between systems.

Encoding HAProxy logs in machine-readable JSON or CBOR

September 17th, 2024

HAProxyConf 2025 call for papers now open

Event Tech

The wait is over! HAProxyConf is coming to San Francisco, California, from June 3 to 5, 2025.

HAProxyConf 2025 call for papers now open

September 10th, 2024

Announcing HAProxy Data Plane API 3.0

Load Balancing / Routing Products Service Discovery News Product Release

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 4th, 2024

Easily Remove Existing HAProxy Connections Made via Client Authentication

Load Balancing / Routing Performance Security Products

HAProxy Enterprise lets you immediately drop connections and remove the client if their certificate is revoked. Here's how to strengthen security without disrupting other users and customers.

Easily Remove Existing HAProxy Connections Made via Client Authentication

September 3rd, 2024

September 2024 – CVE-2024-45506: endless loop in HTTP/2 with zero-copy forwarding in HAProxy

Security News Tech

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...

September 2024 – CVE-2024-45506: endless loop in HTTP/2 with zero-copy forwarding in HAProxy

August 21st, 2024

How To Identify Requests as Part of an End-To-End Tracing Strategy

Observability Security

Learn how HAProxy Enterprise can help financial services uniquely identify requests as part of a greater end-to-end tracing strategy.

How To Identify Requests as Part of an End-To-End Tracing Strategy

August 13th, 2024

Zero-trust mTLS automation with HAProxy and SPIFFE/SPIRE

Guide Load Balancing / Routing Security SSL

Securing traffic between systems is critical. Follow along as we explain how to use SPIFFE and SPIRE to automatically generate and renew identities that include mTLS certificates.

Zero-trust mTLS automation with HAProxy and SPIFFE/SPIRE

August 8th, 2024

How to achieve ultimate freedom with your load balancer

Thought Leadership Load Balancing / Routing Tech

Learn why flexibility is key in modern tech stacks, how a flexible load balancer can help, and how HAProxy's unique approach gives you more freedom.

How to achieve ultimate freedom with your load balancer

August 6th, 2024

Load Balancing RADIUS With HAProxy Enterprise UDP Module

Guide Load Balancing / Routing Security

HAProxy Enterprise now supports RADIUS load balancing with the new HAProxy Enterprise UDP Module. We'll outline the challenges with implementing RADIUS load balancing and how to solve them.

Load Balancing RADIUS With HAProxy Enterprise UDP Module

July 18th, 2024

How to Reliably Block AI Crawlers Using HAProxy Enterprise

Guide Load Balancing / Routing Performance Security Application Monitoring Bots

AI crawlers from large language model (LLM) companies often ignore the contents of robots.txt and crawl your site. If blocking AI crawlers is your goal, HAProxy Enterprise is the answer. Here's how.

How to Reliably Block AI Crawlers Using HAProxy Enterprise

July 17th, 2024

The Customer Feedback Loop That Makes HAProxy G2’s Satisfaction Score Leader

G2 Reviews News

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.

The Customer Feedback Loop That Makes HAProxy G2’s Satisfaction Score Leader

July 11th, 2024

Create an HAProxy AI gateway to control LLM costs, security, and privacy

API Gateway Guide Load Balancing / Routing Security Products AI Gateway

The introduction of ChatGPT caused sharply increased interest in large language models (LLMs). These AI apps also have unique deliverability concerns. Here's how an HAProxy AI gateway can help.

Create an HAProxy AI gateway to control LLM costs, security, and privacy

July 9th, 2024

Scalable AWS Load Balancing and Security With HAProxy Fusion

Load Balancing / Routing Security Cloud

Read highlights from Jakub Suchy's talk describing how HAProxy Fusion enhances both scalability and security for applications, including Kubernetes applications, on AWS.

Scalable AWS Load Balancing and Security With HAProxy Fusion

July 8th, 2024

July 2024 – CVE-2024-24791: HTTP/1.1 response code mishandling in golang products

Security News Tech

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-2024-24791: HTTP/1.1 response code mishandling in golang products

July 8th, 2024

July 2024 – CVE-2024-6387: RCE in OpenSSH server

Security News Tech

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...

July 2024 – CVE-2024-6387: RCE in OpenSSH server

July 1st, 2024

Reviewing every new feature in HAProxy 3.0

Load Balancing / Routing Products Random Tips Security Performance

HAProxy 3.0 brings many improvements to simplicity, security, reliability, flexibility, and more. We'll dive into what’s new with detailed examples. It’s a long list, so get cozy and bring a snack!

Reviewing every new feature in HAProxy 3.0

June 25th, 2024

Announcing HAProxy Kubernetes Ingress Controller 3.0

Kubernetes Load Balancing / Routing Products Product Release

HAProxy Kubernetes Ingress Controller 3.0 is now available. In this release, we've added TCP custom resource definitions (CRDs) to improve mapping, structuring, and validation for TCP services.

Announcing HAProxy Kubernetes Ingress Controller 3.0

May 29th, 2024

Announcing HAProxy 3.0

Load Balancing / Routing News Security Product Release

HAProxy 3.0 maintains its edge over alternatives with best-in-class load balancing. Ready to upgrade? Here’s how to get started.

May 14th, 2024

Announcing HAProxy ALOHA 16

Security Products Load Balancing / Routing Product Release

With HAProxy ALOHA 16 comes our next-generation WAF, new load balancing algorithms, upgraded Linux kernel to 6.1, and better isolation of admin services.

May 6th, 2024

Announcing HAProxy Enterprise 2.9

Load Balancing / Routing Products Security Performance Product Release

Introducing our next-generation HAProxy Enterprise WAF and HAProxy Enterprise Bot Management Module for unmatched security, performance, and reliability in a simple package.

April 24th, 2024

HAProxy Fusion: New External Load Balancing & Multi-Cluster Routing Features

Webinars Service Discovery Kubernetes

HAProxy Fusion Control Plane enables service discovery in any Kubernetes or Consul environment without complex workarounds. Harness powerful external load balancing, multi-cluster routing, and more.

HAProxy Fusion: New External Load Balancing & Multi-Cluster Routing Features

April 23rd, 2024

HAProxy is Resilient to the HTTP/2 CONTINUATION Flood

Products News Security Load Balancing / Routing

Our implementation of the HTTP/2 protocol can effectively handle the CONTINUATION Flood.

HAProxy is Resilient to the HTTP/2 CONTINUATION Flood

March 28th, 2024

Sharing HAProxy’s Kubernetes story at KubeCon Europe 2024

Kubernetes Event

“HAProxy is an awesome load balancer,” was the common refrain on the expo floor at KubeCon Europe 2024, “but what does HAProxy do with Kubernetes?”

Sharing HAProxy’s Kubernetes story at KubeCon Europe 2024

March 6th, 2024

Announcing HAProxy Kubernetes Ingress Controller 1.11

Kubernetes Devops Products Product Release

HAProxy Kubernetes Ingress Controller 1.11 features enhanced security with rootless containers, improved CRD management, and QUIC protocol introduction.

Announcing HAProxy Kubernetes Ingress Controller 1.11

February 15th, 2024

Software load balancers vs appliances: better performance & consistency with HAProxy

Load Balancing / Routing Basics Products Solutions

Different load balancer form factors don't always perform nor repackage well. Learn how HAProxy's unique software-first approach addresses common pain points when choosing the right form factor.

Software load balancers vs appliances: better performance & consistency with HAProxy

January 12th, 2024

Protect against NetScaler vulnerability CitrixBleed

Security Guide Observability

In this post, we will show how you can use an HAProxy Enterprise load balancer to protect against CitrixBleed by placing it in front of your NetScaler instance(s).

Protect against NetScaler vulnerability CitrixBleed

January 9th, 2024

December 2023 - CVE-2023-45539: HAProxy Accepts # as Part of the URI Component Fixed

Security News Tech

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...

December 2023 - CVE-2023-45539: HAProxy Accepts # as Part of the URI Component Fixed

December 20th, 2023

Web App Security vs. API Security: Unified Approaches Reign Supreme

Security Thought Leadership Load Balancing / Routing API Gateway

While there are core differences between web apps and APIs, a unified security strategy is crucial. In this blog, we'll discuss why both types of security appear different yet are inherently linked.

Web App Security vs. API Security: Unified Approaches Reign Supreme

December 14th, 2023

Rate limiting based on AWS VPC ID

Security Guide

We show you how to implement rate limiting based on the ID of the Virtual Private Cloud in Amazon Web Services using HAProxy Enterprise.

December 13th, 2023

Scalable Load Balancing & Security Made Simple at AWS re:Invent 2023

Cloud Devops Event Load Balancing / Routing Security

Watch our Lightning Talk at AWS re:Invent 2023 on how HAProxy Fusion and HAProxy Enterprise enable simple and scalable load balancing and security on AWS.

Scalable Load Balancing & Security Made Simple at AWS re:Invent 2023

December 5th, 2023

Announcing HAProxy 2.9

Tech News Load Balancing / Routing Product Release

HAProxy 2.9 is faster, more flexible, and more observable than ever before. Ready to upgrade? Here’s how to get started.

November 30th, 2023

Announcing HAProxy Fusion 1.2 LTS

News Tech Product Release

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.

November 14th, 2023

KubeCon NA 2023: Celebrating Innovation and the K8s Community

Kubernetes Event Load Balancing / Routing Cloud Devops

The sun has officially set on KubeCon North America 2023, but the CNCF's flagship event has left a lasting impression on us. Here's what we observed, what we talked about, and what resonated.

KubeCon NA 2023: Celebrating Innovation and the K8s Community

November 9th, 2023

Why implementing app security can lead to spiraling costs

Security Thought Leadership

To avoid overspending, businesses should reevaluate their security vendors and prioritize a more cost-effective approach.

Why implementing app security can lead to spiraling costs

October 18th, 2023

How to Extract Insightful Data From Proxy Protocol Packets

Load Balancing / Routing Solutions Guide

In this guide, we’ll explain why connection data matters. Next, we'll cover how the PROXY protocol works, how to use the TShark analyzer to capture and inspect packets and view the extraction results.

How to Extract Insightful Data From Proxy Protocol Packets

October 12th, 2023

Why your load balancer should be fast & flexible

Performance

When it comes to key technology purchases, businesses should look for two attributes: cost efficiency and flexibility.

Why your load balancer should be fast & flexible

October 10th, 2023

HAProxy's growth continues with rave reviews and powerful capabilities

News Load Balancing / Routing API Gateway Cloud Kubernetes Products G2 Reviews

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's growth continues with rave reviews and powerful capabilities

October 10th, 2023

HAProxy is not affected by the HTTP/2 Rapid Reset Attack (CVE-2023-44487)

News Security Products Load Balancing / Routing

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.

HAProxy is not affected by the HTTP/2 Rapid Reset Attack (CVE-2023-44487)

October 4th, 2023

Announcing HAProxy Enterprise 2.8 & HAProxy ALOHA 15.5

News Products Product Release

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.

Announcing HAProxy Enterprise 2.8 & HAProxy ALOHA 15.5

September 18th, 2023

Your Comprehensive Guide to HAProxy Protocol Support

Load Balancing / Routing Guide Products Basics Kubernetes SSL

Modern load balancers need broad internet protocol support. We’ll outline HAProxy's product-specific protocol support, highlight core features, and share handy use cases.

Your Comprehensive Guide to HAProxy Protocol Support

August 30th, 2023

August 2023 - CVE-2023-40225: Empty content-length header vulnerability fixed

News Security Tech

HAProxy Technologies released new versions of its products to fix the vulnerability CVE-2023-40225. Learn more here.

August 2023 - CVE-2023-40225: Empty content-length header vulnerability fixed

August 24th, 2023

Black Hat USA: adaptable security from HAProxy

Security Observability SSL

HAProxy Technologies showcased its deep, targeted, and scalable security at Black Hat USA 2023.

Black Hat USA: adaptable security from HAProxy

August 22nd, 2023

How to Log HTTP Headers With HAProxy for Debugging Purposes

Observability LUA Guide

In this blog post, we show how to collect HTTP header logs and store them remotely to avoid overwhelming your standard log system.

How to Log HTTP Headers With HAProxy for Debugging Purposes

August 9th, 2023

G2’s Most Recommended WAF & DDoS Protection

News Security G2 Reviews

The G2 Summer 2023 Grid Reports recognize HAProxy as a leader in the Web Application Firewall (WAF) and DDoS Protection categories.

G2’s Most Recommended WAF & DDoS Protection

July 27th, 2023

Kubernetes Gateway API (Everything You Should Know)

Basics Tech

The Kubernetes Gateway API is a specification or standard managed by the SIG-NETWORK community that models service networking in Kubernetes.

Kubernetes Gateway API (Everything You Should Know)

July 19th, 2023

How to create powerful, customized Lua mailers in HAProxy

LUA Observability Guide

Deeper mailer customization has arrived in HAProxy 2.8! Learn how Lua-based mailers improve on their C-based predecessors and support powerful new monitoring capabilities.

How to create powerful, customized Lua mailers in HAProxy

July 13th, 2023

Automate HAProxy Let's Encrypt certificates with acme.sh

SSL Security Guide

Improvements in acme.sh integration allows you to manage TLS certificates with Let’s Encrypt without restarting HAProxy.

Automate HAProxy Let's Encrypt certificates with acme.sh

July 5th, 2023

Announcing HAProxy Data Plane API 2.8

Products News Product Release

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.

June 29th, 2023

Your Starter Guide to Using the HAProxy Lua Event Framework

LUA Guide Observability

In this article, we’ll take you on a quick tour of the new Lua event framework shipped with HAProxy 2.8—plus demonstrate how Lua helps you further customize HAProxy’s behavior.

Your Starter Guide to Using the HAProxy Lua Event Framework

June 5th, 2023

How to Enable QUIC Load Balancing on HAProxy

Load Balancing / Routing Basics SSL

In this blog post, we outline the steps to get started and the reasons why users are choosing to serve applications using HTTP/3 over QUIC.

How to Enable QUIC Load Balancing on HAProxy

May 31st, 2023

Announcing HAProxy 2.8

Products News Product Release

We're thrilled to announce the community-driven HAProxy 2.8 release! Join us on GitHub, Slack, Discourse, and the HAProxy mailing list.

May 31st, 2023

HAProxy Fusion 1.1 Enables Application Delivery at Scale

News Tech

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.

HAProxy Fusion 1.1 Enables Application Delivery at Scale

May 8th, 2023

Introduction to Traffic Shaping Using HAProxy

Basics Performance

In this blog post, we discuss what traffic shaping is and how you can implement it in HAProxy and HAProxy Enterprise using our bandwidth limitation filter.

Introduction to Traffic Shaping Using HAProxy

May 3rd, 2023

Announcing HAProxy Data Plane API 2.7

News Products Product Release

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.

April 27th, 2023

Announcing HAProxy Kubernetes Ingress Controller 1.10

Kubernetes News Product Release

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 Kubernetes Ingress Controller 1.10

April 24th, 2023

HAProxy Momentum: G2 Spring 2023 Edition

Tech Thought Leadership G2 Reviews

Spring marks a season of growth, and HAProxy was in full bloom in the Spring 2023 G2 reports. Our users continue to share their positive experiences .

HAProxy Momentum: G2 Spring 2023 Edition

March 30th, 2023

Announcing HAProxy Enterprise 2.7 & HAProxy ALOHA 15

News Tech Product Release

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.

Announcing HAProxy Enterprise 2.7 & HAProxy ALOHA 15

March 22nd, 2023

KCD France Roundup: HAProxy Evolving Alongside Kubernetes & Cloud-Native Community

Event Cloud Kubernetes

KCD France 2023 was a pleasure for our team. It was great connecting with HAProxy users, especially from the Kubernetes and cloud-native community.

KCD France Roundup: HAProxy Evolving Alongside Kubernetes & Cloud-Native Community

March 2nd, 2023

HAProxy Fusion has landed (simple, scalable, and secure)

News Tech

HAProxy Fusion Control Plane gives the power to simplify, scale, and secure HAProxy application delivery infrastructure using a centralized control plane.

HAProxy Fusion has landed (simple, scalable, and secure)

February 14th, 2023

February 2023 – CVE-2023-25725: Header Parser Fixed

News Security Tech

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

February 2023 – CVE-2023-25725: Header Parser Fixed

December 19th, 2022

HAProxy user reviews show community momentum

Tech News G2 Reviews

Taking the new G2 reports, user reviews, and real-world benchmark results, HAProxy stands as a market leader in application delivery and customer experience.

HAProxy user reviews show community momentum

December 1st, 2022

Announcing HAProxy 2.7 and HAProxy Enterprise 2.7r1

News Products Product Release

HAProxy 2.7 adds features such as Traffic Shaping, Stick Tables Sharding, Scalability Improvements, and Layer 7 HTTP Retry Updates.

Announcing HAProxy 2.7 and HAProxy Enterprise 2.7r1

November 28th, 2022

Most Common Website Security Threats (2024) + Solutions

Basics Security

This blog post will discuss web threats and how to protect yourself against DDoS attacks, web scraping, brute-force attacks, and vulnerability scanning.

Most Common Website Security Threats (2024) + Solutions

November 22nd, 2022

HAProxyConf 2022 Recap

Event Thought Leadership

The HAProxyConf 2022 gave us three days of workshops, keynotes, technical talks, and use cases from HAProxy core developers, community, and enterprise users.

November 4th, 2022

Secure cookies using HAProxy Enterprise

Tech Security

Cookies have many usages, most notably user authentication and settings. This post will explain the best practices for how to secure your cookies.

October 31st, 2022

Upgrade OpenSSL 3.0 to Protect Against a Critical Vulnerability

Tech News

If you are using OpenSSL version 3.0 or above with HAProxy, you should update to OpenSSL version 3.0.7.

Upgrade OpenSSL 3.0 to Protect Against a Critical Vulnerability

October 3rd, 2022

Fundamentals: What Sets Containers Apart from Virtual Machines

Basics Cloud

In this blog post, you will read how containers have become one of the most efficient ways of virtually deploying applications.

Fundamentals: What Sets Containers Apart from Virtual Machines

September 23rd, 2022

Fundamentals: application acceleration & the benefits for your service delivery

Basics Security

In this blog post, you will learn that application acceleration is all about improving the responsiveness of a digital service.

Fundamentals: application acceleration & the benefits for your service delivery

September 12th, 2022

Verify OAuth JWT Tokens With HAProxy

Devops Security

Learn how to secure your APIs against unauthorized access. The OAuth 2 protocol uses JSON Web Tokens to convey a client’s permissions and HAProxy can verify whether a token can be trusted.

September 12th, 2022

Fundamentals: What is an API Gateway?

Basics Load Balancing / Routing

When talking about managing web applications and the services they provide, the term “API gateway” is often thrown around, but what does it mean?

September 2nd, 2022

Fundamentals: load balancing & the right distribution algorithm for you

Basics Solutions

In this blog, you will learn what algorithm is the best for you, both static and dynamic algorithms will help you manage incoming traffic for web applications.

Fundamentals: load balancing & the right distribution algorithm for you

August 26th, 2022

Fundamentals: High Availability & the Role of a Reverse Proxy

Basics Solutions

In this blog post, we will explore the gold standard of high availability and the difference between a forward proxy and a reverse proxy.

Fundamentals: High Availability & the Role of a Reverse Proxy

August 22nd, 2022

Path-Based Routing With HAProxy

Basics

Here's how to deploy the HAProxy load balancer in front of your services and then use path-based routing to direct requests to the correct backend service.

August 12th, 2022

Restrict API Access With Client Certificates (mTLS)

Tech Security

HAProxy enables mTLS, supporting client certificate authentication for both clients and backend servers. Learn how to set it up in this blog post.

Restrict API Access With Client Certificates (mTLS)

August 3rd, 2022

Log Forwarding With HAProxy & Syslog

Basics

Learn how HAProxy can act as a log collection point that ingests logs from multiple applications and then forwards them to a centralized log aggregation server.

July 25th, 2022

Preserve stick table data when reloading HAProxy

Tech Random Tips

A reload clears away all of your stick table data.. The good news is that there is a way to preserve data during a reload, which we’ll cover in this blog post.

Preserve stick table data when reloading HAProxy

July 19th, 2022

Announcing HAProxy Data Plane API 2.6

News Devops Product Release

We updated the HAProxy Data Plane API to cover more HAProxy configuration keywords. In this blog, you’ll see everything we’ve added.

June 17th, 2022

HAProxyConf 2022 call for papers now open

Event Tech

Do you want to talk for this year's HAProxyConf 2022? Submit your talk for this year's event which will be held on November 8 and 9 in Paris.

HAProxyConf 2022 call for papers now open

June 14th, 2022

Custom Resources With HAProxy Kubernetes Ingress Controller

Tech Kubernetes

Learn how the HAProxy Kubernetes Ingress Controller provides a set of custom resources that includes Global, Defaults, and Backend.

Custom Resources With HAProxy Kubernetes Ingress Controller

June 2nd, 2022

Announcing HAProxy Kubernetes Ingress Controller 1.8

News Devops Product Release

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 Kubernetes Ingress Controller 1.8

May 31st, 2022

Announcing HAProxy 2.6

News Product Release

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.

May 23rd, 2022

What is the PROXY protocol? How it preserves client IPs

Guide Tech

In this blog post, you’ll learn how the Proxy Protocol preserves a client’s IP address when that client’s connection passes through a proxy.

What is the PROXY protocol? How it preserves client IPs

May 17th, 2022

Two ways to enable sticky sessions in HAProxy (guide)

Basics Guide

In this blog post, you will learn how HAProxy supports sticky sessions. You can choose to implement them either with a cookie or with the user’s IP address.

Two ways to enable sticky sessions in HAProxy (guide)

April 1st, 2022

April/2022 – CVE-2022-22965: Spring4Shell Remote Code Execution Mitigation

News Tech

Remote Code Execution vulnerability was discovered in the Java Spring Core library. This allows attackers to execute arbitrary code on affected systems.

April/2022 – CVE-2022-22965: Spring4Shell Remote Code Execution Mitigation

March 7th, 2022

Use Your Load Balancer to Monitor Application Health

Guide Solutions

In this blog post, you’ll learn about several metrics that stand out as particularly useful for monitoring the health of your applications when they’re load balanced by HAProxy.

Use Your Load Balancer to Monitor Application Health

February 21st, 2022

Announcing HAProxy Data Plane API 2.5

News Products Product Release

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.

February 15th, 2022

How load balancing improves the performance of your applications

Basics Tech

In this blog post, you'll learn how load balancing is an indispensable technique for improving a website’s performance.

How load balancing improves the performance of your applications

February 4th, 2022

Load Balance an Infinite Number of Servers & Never Reload HAProxy

Solutions Products

Let’s consider one of HAProxy’s newest features, dynamic servers, which lets you add and remove servers from HAProxy’s load balancing list on-the-fly without ever reloading the process.

Load Balance an Infinite Number of Servers & Never Reload HAProxy

January 17th, 2022

What is Load Balancing & How it Works (Complete Breakdown)

Basics Solutions

Load balancing is the distribution of network traffic between backend servers to ensure high availability and performance. Here's everything you should know.

What is Load Balancing & How it Works (Complete Breakdown)

December 13th, 2021

December/2021 – CVE-2021-44228: Log4Shell Remote Code Execution Mitigation

News Tech

Vulnerability which is tracked in CVE-2021-44228, dubbed Log4Shell, allows attackers to execute arbitrary code on affected systems.

December/2021 – CVE-2021-44228: Log4Shell Remote Code Execution Mitigation

November 23rd, 2021

Announcing HAProxy 2.5

Devops Product Release

We are announcing HAProxy 2.5! In this blog post, you will find a full list of improvements included in this version.

November 15th, 2021

Willy Tarreau on HAProxy at its 20 year anniversary (interview)

News Tech

In this interview, Willy describes his views on the success of the project, and how it grew over the years.

Willy Tarreau on HAProxy at its 20 year anniversary (interview)

October 18th, 2021

Announcing HAProxy Data Plane API 2.4

News Tech Devops

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.

October 8th, 2021

Announcing HAProxy Kubernetes Ingress Controller 1.7

Kubernetes News

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.

Announcing HAProxy Kubernetes Ingress Controller 1.7

September 14th, 2021

A guide to HAProxy health checks for high availability

Basics Guide

HAProxy provides three types of health checks: active health checks, passive health checks and agent health checks. In this blog, we will learn about each one.

A guide to HAProxy health checks for high availability

September 9th, 2021

Rate Limiting with the HAProxy Kubernetes Ingress Controller

Guide Tech

Learned how to fine tune your HAProxy Kubernetes Ingress Controller’s configuration to leverage powerful annotations to protect your services and APIs.

Rate Limiting with the HAProxy Kubernetes Ingress Controller

September 7th, 2021

September/2021–CVE-2021-40346: Duplicate ‘Content-Length’ Header Fixed

News Solutions Tech

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...

September/2021–CVE-2021-40346: Duplicate ‘Content-Length’ Header Fixed

August 31st, 2021

How to Check & Test Your HAProxy Config Safely (Easy Guide)

Basics Guide

Learn how to safely test and validate your HAProxy config file with a single command.

How to Check & Test Your HAProxy Config Safely (Easy Guide)

August 24th, 2021

The HAProxy APIs (What You Should Know)

Basics Tech

In this blog post, you will learn more about HAProxy APIs and how you can manage your HAProxy configuration without editing its configuration file by hand.

August 18th, 2021

How to install the latest HAProxy on Ubuntu

Basics Guide

In this post, you will learn how to install the open-source edition of HAProxy on Ubuntu, one of the most popular and powerful operating systems around.

How to install the latest HAProxy on Ubuntu

August 16th, 2021

August/2021 – HAProxy 2.0+ HTTP/2 Vulnerabilities Fixed

News Tech

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.

August/2021 – HAProxy 2.0+ HTTP/2 Vulnerabilities Fixed

August 9th, 2021

How to Run HAProxy With Docker (In-Depth Guide)

Guide Tech

Learn how to run HAProxy in a Docker container with this step-by-step guide. Covers configuration, performance considerations, security, and provides ready-to-use commands.

How to Run HAProxy With Docker (In-Depth Guide)

July 26th, 2021

AWS EC2 Service Discovery With HAProxy (Step by Step Guide)

Guide Solutions Service Discovery

In this blog post, you will learn how to enable service discovery for AWS EC2 instances using HAProxy and the HAProxy Data Plane API.

AWS EC2 Service Discovery With HAProxy (Step by Step Guide)

July 5th, 2021

HAProxy Load Balancer Configuration Basics: Step-by-Step

Guide Basics

Learn to configure a basic HAProxy load balancer from scratch. Our tutorial walks you through setting up frontends, backends, and simple routing rules.

HAProxy Load Balancer Configuration Basics: Step-by-Step

June 14th, 2021

Run the HAProxy Kubernetes Ingress Controller Outside of Your Kubernetes Cluster

Solutions Guide

In this blog post, you'll learn how to run our Kubernetes Ingress Controller externally to your Kubernetes cluster, which obviates the need for running another load balancer in front.

Run the HAProxy Kubernetes Ingress Controller Outside of Your Kubernetes Cluster

June 10th, 2021

HAProxyConf 2021 Call for Papers

Event Tech

Do you have a topic you’d like to present? Submit your proposal! The call for papers is now open with the submission deadline set to July 5th, 2021.

June 4th, 2021

Consul service discovery for HAProxy (integration guide)

Guide Solutions Service Discovery

In this blog, you will learn how to integrate HAProxy and Consul by using the HAProxy Data Plane API, which enables dynamic load balancer configuration changes.

Consul service discovery for HAProxy (integration guide)

May 24th, 2021

Visualize HAProxy metrics with InfluxDB

Solutions Guide

In this blog post, we’ll walk through all of the steps necessary to get your HAProxy metrics displayed in InfluxDB.

May 13th, 2021

Announcing HAProxy 2.4

News Products

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.

May 11th, 2021

Announcing HAProxy Data Plane API 2.3

News Products

HAProxy Data Plane API 2.3 expands its service discovery mechanisms and introduces native support for discovering AWS EC2 instances and auto-scaling groups.

May 3rd, 2021

Announcing HAProxy Kubernetes Ingress Controller 1.6

News Products

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...

Announcing HAProxy Kubernetes Ingress Controller 1.6

April 26th, 2021

Autoscaling with the HAProxy Kubernetes Ingress Controller & KEDA

Solutions Performance

In this blog post, we will describe how to implement autoscaling of your application pods using KEDA and the HAProxy Kubernetes Ingress Controller.

Autoscaling with the HAProxy Kubernetes Ingress Controller & KEDA

April 19th, 2021

Power Your Consul Service Mesh With HAProxy

Solutions Guide Service Discovery

Choosing HAProxy as the proxy technology in your Consul service mesh means you’re running a high-performance solution and reducing latency between services.

Power Your Consul Service Mesh With HAProxy

April 8th, 2021

HAProxy Forwards Over 2 Million HTTP Requests per Second on a Single Arm-based AWS Graviton2 Instance

Solutions Benchmarking

First ever software load balancer exceeds 2 million RPS on a single Arm instance! We're near an era where you get the world’s fastest load balancer for free.

HAProxy Forwards Over 2 Million HTTP Requests per Second on a Single Arm-based AWS Graviton2 Instance

March 26th, 2021

HAProxy Enterprise 2.3 & HAProxy 2.4 support the Financial Information eXchange (FIX) protocol

News Products

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.

HAProxy Enterprise 2.3 & HAProxy 2.4 support the Financial Information eXchange (FIX) protocol

March 19th, 2021

Using HAProxy as an API Gateway, Part 6 [Security]

Solutions Guide API Gateway

In this blog post, we’ll see how placing your servers behind HAProxy and using it as an API gateway lets you narrow the point of entry for attackers.

Using HAProxy as an API Gateway, Part 6 [Security]

March 12th, 2021

Using HAProxy as an API Gateway, Part 5 [Monetization]

Solutions Guide API Gateway

In this post, you will learn how to leverage tokens to grant some users more access than others and then charge for the service. It's called API monetization.

Using HAProxy as an API Gateway, Part 5 [Monetization]

March 5th, 2021

The HAProxy Enterprise WAF

Products Solutions

In this post, we'll demonstrate why you need a web application firewall to protect you from threats like SQL injection and cross-site scripting.

February 19th, 2021

Logging With the HAProxy Kubernetes Ingress Controller

Products Solutions Kubernetes

The HAProxy Kubernetes Ingress Controller has two sources of logs: the controller and the HAProxy load balancer. Both can be customized.

Logging With the HAProxy Kubernetes Ingress Controller

February 12th, 2021

Using HAProxy as an API gateway, part 4 [metrics]

Solutions Guide API Gateway

In this blog post, you'll learn about the metrics which HAProxy compiles, how to extract them with Prometheus, and visualize them with Grafana or Kibana.

Using HAProxy as an API gateway, part 4 [metrics]

February 2nd, 2021

How to Map Domain Names to Backend Server Pools With HAProxy

Basics Guide

In this blog post, we will show several ways of handling multi-domain configurations, including an introduction to using HAProxy maps.

How to Map Domain Names to Backend Server Pools With HAProxy

January 29th, 2021

Protect servers with HAProxy connection limits & queues

Guide Performance Load Balancing / Routing

In this blog post, we show how you can use HAProxy connection limits and queues to protect your servers when load balancing heavy amounts of traffic.

Protect servers with HAProxy connection limits & queues

January 21st, 2021

Announcing HAProxy Kubernetes Ingress Controller 1.5

News Products

The HAProxy Kubernetes Ingress Controller 1.5 release brings some exciting features that let you control the underlying configuration, and much more.

Announcing HAProxy Kubernetes Ingress Controller 1.5

January 15th, 2021

Announcing HAProxy Data Plane API 2.2

News Products

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...

January 5th, 2021

2 Ways to Implement a Circuit Breaker in HAProxy (Guide)

Guide Solutions

In this blog post, you'll learn how to implement a circuit breaker with HAProxy in a simple and more complex way, that allows greater customization.

2 Ways to Implement a Circuit Breaker in HAProxy (Guide)

December 21st, 2020

Route SSH Connections With HAProxy

Guide Solutions

In this blog post, you will learn several ways to configure HAProxy for proxying SSH, all of which rely on the ssh command's ProxyCommand field.

December 15th, 2020

HTTP keep-alive, pipelining, multiplexing & connection pooling

Solutions Load Balancing / Routing

In this blog post, you will learn more about persistent TCP connections in an HTTP world and the various ways in which HAProxy supports it.

HTTP keep-alive, pipelining, multiplexing & connection pooling

November 17th, 2020

HAProxy log sampling & cost-saving benefits | 2 examples

Basics Solutions Observability

Log Sampling is a powerful feature introduced in HAProxy 2.0 that lets you create a representative view of your data allowing you to minimize your costs.

HAProxy log sampling & cost-saving benefits | 2 examples

November 13th, 2020

Layer 4 vs Layer 7 Proxy Mode (Understanding the Difference)

Basics Tech Load Balancing / Routing

With HAProxy you can switch between proxying traffic at layer 4 (TCP) or layer 7 (HTTP). This blog post describes the features available to you in each mode.

Layer 4 vs Layer 7 Proxy Mode (Understanding the Difference)

November 9th, 2020

vSphere 7 With Tanzu Integrates With HAProxy for Load Balancing Enterprise-Grade Kubernetes

News Partners

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.

vSphere 7 With Tanzu Integrates With HAProxy for Load Balancing Enterprise-Grade Kubernetes

November 5th, 2020

Announcing HAProxy 2.3

News Products

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.

October 26th, 2020

Accelerate Your APIs by Using the HAProxy Cache

Solutions Guide

Learn how to set up HAProxy's cache feature, which will improve how fast you can deliver messages and lessen the load placed upon your backend servers.

Accelerate Your APIs by Using the HAProxy Cache

October 19th, 2020

HAProxy & HTTP Strict Transport Security (HSTS)

Solutions Guide

HTTP Strict Transport Security (HSTS) sends a user to the secure version of a site without an HTTP redirect. Learn how to enable HSTS with HAProxy.

HAProxy & HTTP Strict Transport Security (HSTS)

October 6th, 2020

Redirect HTTP to HTTPS in a Few Easy Steps With HAProxy

Solutions Guide SSL

Read on to learn how to use the HAProxy load balancer to redirect users from HTTP to HTTPS automatically in a few easy steps.

Redirect HTTP to HTTPS in a Few Easy Steps With HAProxy

September 28th, 2020

Serve dynamic custom error pages with HAProxy

Basics Guide Random Tips

This blog post covers how to set up custom error pages in HAProxy in order to ensure consistent, branded messaging that supports any backend web stack.

Serve dynamic custom error pages with HAProxy

September 15th, 2020

Is That Bot Really Googlebot? Detecting Fake Crawlers With HAProxy Enterprise

Products Solutions Tech Bots

Find out how you can detect and stop fake web crawlers by using Verify Crawler add-on which comes included with the HAProxy Enterprise license.

Is That Bot Really Googlebot? Detecting Fake Crawlers With HAProxy Enterprise

September 8th, 2020

Become FIPS Compliant With HAProxy Enterprise on Red Hat Enterprise Linux 8

Solutions Products

In the blog post, you will learn how to become FIPS compliant using Red Hat Enterprise Linux 8 and HAProxy Enterprise for TLS encryption.

Become FIPS Compliant With HAProxy Enterprise on Red Hat Enterprise Linux 8

August 31st, 2020

HAProxy Enterprise Offers SAML-based Single Sign-On

Products Cloud Load Balancing / Routing

HAProxy Enterprise handles SAML single sign-on for your applications and integrates with identity providers like Azure Active Directory.

HAProxy Enterprise Offers SAML-based Single Sign-On

August 21st, 2020

Dynamic SSL certificate storage in HAProxy

Guide Solutions SSL

Learn how to use the dynamic SSL certificate storage introduced in HAProxy 2.1 and expanded in HAProxy 2.2 in order to update SSL certificates dynamically.

Dynamic SSL certificate storage in HAProxy

August 14th, 2020

Use HAProxy response policies to stop threats

Solutions Guide

In this blog post, you will learn how to use HAProxy's Deny, Tarpit, Silent Drop, Reject, and Shadowban response policies to stop threats and malicious users.

Use HAProxy response policies to stop threats

July 31st, 2020

Enable TLS with Let’s Encrypt and HAProxy Kubernetes Ingress Controller

Guide Solutions Kubernetes

Learn how to configure TLS with the HAProxy Kubernetes Ingress Controller to provide secure communication to everyone accessing your Kubernetes services.

Enable TLS with Let’s Encrypt and HAProxy Kubernetes Ingress Controller

July 24th, 2020

Announcing HAProxy Data Plane API 2.1

News Products

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.

July 10th, 2020

Get to know the HAProxy process manager

Solutions Basics Load Balancing / Routing

In this blog post, you will find out more about the HAProxy Process Manager, which allows you to start external programs that are hosted under HAProxy.

July 7th, 2020

Announcing HAProxy 2.2

News Products

HAProxy 2.2 adds exciting features such as a fully dynamic SSL certificate storage, a native response generator, security hardening, and much more.

May 15th, 2020

Announcing HAProxy Data Plane API 2.0

News Products

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.

May 13th, 2020

HAProxy Enterprise Ingress Controller Coming Soon to the Red Hat Marketplace

News Products

HAProxy Enterprise will be offered in the Red Hat Marketplace, allowing OpenShift users to take advantage of its advanced features for Ingress.

HAProxy Enterprise Ingress Controller Coming Soon to the Red Hat Marketplace

April 2nd, 2020

HAProxy 1.8+ HTTP/2 HPACK decoder vulnerability fixed

Tech

Security researcher Felix Wilhelm has disclosed a critical vulnerability in HAProxy's HTTP/2 HPACK decoder in versions 1.8 and above which is now fixed.

HAProxy 1.8+ HTTP/2 HPACK decoder vulnerability fixed

March 20th, 2020

Use Helm to Install the HAProxy Kubernetes Ingress Controller

Basics Products Kubernetes

In this blog post, we show step-by-step, how to install the HAProxy Kubernetes Ingress Controller into your Kubernetes cluster using the popular Helm charts

Use Helm to Install the HAProxy Kubernetes Ingress Controller

March 12th, 2020

Multi-Tenant Kubernetes Clusters With the HAProxy Kubernetes Ingress Controller

Products Kubernetes

Learn to use the HAProxy Kubernetes Ingress Controller to host multiple tenants in a cluster and configure namespaces, access controls, and resource quotas.

Multi-Tenant Kubernetes Clusters With the HAProxy Kubernetes Ingress Controller

February 28th, 2020

Load Balancing PHP-FPM With HAProxy & FastCGI

Tech Load Balancing / Routing

This blog post covers how you can use HAProxy and the FastCGI protocol to ensure fast, secure, and observable load balancing of your PHP-FPM applications.

Load Balancing PHP-FPM With HAProxy & FastCGI

February 21st, 2020

We’re building a rich ecosystem of certified HAProxy integrations

News Tech

HAProxy Technologies is rolling out the Certified Integrations Partner Program to ensure its customers have access to integrations certified to work well.

We’re building a rich ecosystem of certified HAProxy integrations

February 11th, 2020

Rolling Updates & Blue-Green Deployments With Kubernetes & HAProxy

Tech

Learn how the HAProxy Kubernetes Ingress Controller supports rolling updates and blue-green deployments for updating your Kubernetes applications.

Rolling Updates & Blue-Green Deployments With Kubernetes & HAProxy

January 31st, 2020

HAProxyConf 2019 Recap

Event Thought Leadership

Look back at some of the highlights from the sold-out HAProxyConf 2019, the inaugural conference for the HAProxy community.

January 22nd, 2020

Building blocks of a modern proxy (9 key features)

Tech Thought Leadership

In this blog post, you'll see examples of recent trends in the modern proxy industry and learn how HAProxy is being shaped to accommodate these changes.

Building blocks of a modern proxy (9 key features)

December 4th, 2019

HAProxy 2.1: Supercharged Performance & Streamlined Codebase

News Products

HAProxy 2.1 brings visible performance gains in key areas and new features including Dynamic SSL Certificate Updates, FastCGI and a streamlined codebase.

HAProxy 2.1: Supercharged Performance & Streamlined Codebase

November 8th, 2019

The History of HAProxy

Tech

HAProxy's origin story is one that has not been told and you may be curious about its roots and what drove it to be what it is today.

October 9th, 2019

HAProxy on Docker Swarm: load balancing & DNS service discovery

Tech Solutions

In this blog post, you’ll see how to combine HAProxy and Docker Swarm to load balance traffic across your service replicas.

HAProxy on Docker Swarm: load balancing & DNS service discovery

September 27th, 2019

PacketShield: A Tool for Superior DDoS Protection

Tech Solutions

Learn more about the HAProxy ALOHA PacketShield product, which provides stateful packet filtering and protects your network against DDoS.

PacketShield: A Tool for Superior DDoS Protection

September 9th, 2019

Introducing HAProxyConf 2019

Event News

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.

August 30th, 2019

How to Enable CORS (Cross-Origin Resource Sharing) in HAProxy?

Tech LUA

Learn more about the HAProxy Cross-Origin Resource Sharing (CORS) Lua module, which streamlines adding CORS to your APIs.

How to Enable CORS (Cross-Origin Resource Sharing) in HAProxy?

July 30th, 2019

HAProxy rate limiting: four examples

Basics Solutions

Use rate limiting in HAProxy to stop clients from making too many requests and promote fair usage of your services.

July 23rd, 2019

HAProxy Traffic Mirroring for Real-World Testing

Solutions Tech

Learn how to use the HAProxy Traffic Shadowing agent to enable traffic mirroring and stream production requests to a test environment.

HAProxy Traffic Mirroring for Real-World Testing

July 15th, 2019

HAProxy Layer 7 Retries & Chaos Engineering

Solutions

HAProxy 2.0 introduced layer 7 retries, which provides resilience against unreachable nodes, network latency, slow servers, and HTTP errors.

HAProxy Layer 7 Retries & Chaos Engineering

July 8th, 2019

Dissecting the HAProxy Kubernetes Ingress Controller

Solutions Products

Learn how the new HAProxy Kubernetes Ingress Controller provides a high-performance ingress for your Kubernetes-hosted applications.

Dissecting the HAProxy Kubernetes Ingress Controller

June 28th, 2019

The New HAProxy Data Plane API: Two Examples of Programmatic Configuration

Tech Products Solutions

This blog post shows you how to use the HAProxy Data Plane API to manage your load balancer configuration dynamically using HTTP commands.

The New HAProxy Data Plane API: Two Examples of Programmatic Configuration

June 15th, 2019

HAProxy 2.0 & beyond

News Tech Products

HAProxy Technologies is excited to announce the release of HAProxy 2.0, bringing features critical for cloud-native and containerized environments.

June 15th, 2019

HAProxy SSL termination (offloading) in 5 simple steps

Basics Guide SSL

This blog post shows how to quickly and easily enable SSL/TLS encryption for your applications by using high-performance SSL termination in HAProxy.

HAProxy SSL termination (offloading) in 5 simple steps

June 14th, 2019

DNS for Service Discovery in HAProxy

News Tech Solutions

Learn how to use DNS service discovery in HAProxy to detect server changes and automatically apply them to your configuration.

June 14th, 2019

Tracing requests through HAProxy with AWS X-Ray

Solutions

HAProxy integrates with AWS X-Ray to give you the best observability across your Amazon Web Services (AWS) resources, including your load balancer.

Tracing requests through HAProxy with AWS X-Ray

May 24th, 2019

5 Ways to Extend HAProxy With Lua

LUA Basics Tech

This blog post demonstrates how you can use custom Lua code to extend HAProxy for creating your own fetches, converters, actions, services, and tasks.

May 10th, 2019

HAProxy Stats Page: A Complete Guide to All Metrics

Basics Solutions Observability

Learn to monitor, troubleshoot, and manage your load balancer effectively with our deep dive into the HAProxy status page.

HAProxy Stats Page: A Complete Guide to All Metrics

April 26th, 2019

HAProxy on AWS: Best Practices Part 3

Tech Products

In this blog post, learn to use HAProxy, Keepalived, Terraform, and Ansible to set up highly-available load balancing in AWS.

April 12th, 2019

HAProxy Exposes a Prometheus Metrics Endpoint

Solutions Observability

In this blog, we’ll explain how to set up the metrics endpoint, how to configure Prometheus to scrape it and offer guidance on graphing and alerting the data.

HAProxy Exposes a Prometheus Metrics Endpoint

April 5th, 2019

Extend HAProxy with Stream Processing Offload Engine (SPOE)

Basics Solutions

Learn how to use The HAProxy Stream Processing Offload Engine (SPOE) filter to extend HAProxy in any language without modifying its core codebase.

Extend HAProxy with Stream Processing Offload Engine (SPOE)

March 14th, 2019

IP masking in HAProxy

Tech Solutions

This blog post shows how to use HAProxy IP Masking in order to protect the privacy of your users, helping you to stay compliant with laws like the GDPR.

March 1st, 2019

Using HAProxy as an API gateway, part 3 [health checks]

Solutions Products API Gateway

In the blog post, you'll learn various ways to health check your servers so that your APIs maintain a high level of reliability. This includes...

Using HAProxy as an API gateway, part 3 [health checks]

February 15th, 2019

Test driving “power of two random choices” load balancing

Solutions Benchmarking

The Power of Two Random Choices load-balancing algorithm made us curious. See how it stacks up against other modern-day algorithms available in HAProxy.

Test driving “power of two random choices” load balancing

February 8th, 2019

Introduction to HAProxy Logging: A Practical Guide

Basics Tech

Master HAProxy logging with our step-by-step guide. Learn to configure logging, understand TCP & HTTP log formats, and parse log files for critical infrastructure insights.

Introduction to HAProxy Logging: A Practical Guide

January 22nd, 2019

Using HAProxy as an API Gateway, Part 2 [Authentication]

Solutions Products API Gateway

In the blog post, you'll learn more about using HAProxy as an API gateway, leveraging it to secure your API endpoints using OAuth 2.

Using HAProxy as an API Gateway, Part 2 [Authentication]

January 16th, 2019

HAProxy 1.9.2 adds gRPC support

Tech Solutions

Learn how to set up an example project that uses gRPC and Protocol Buffers to stream messages between a client and a server with HAProxy in between.

December 19th, 2018

HAProxy 1.9 Has Arrived

News Tech Products

Announcing the release of HAProxy 1.9, which brings end-to-end HTTP/2, buffer and connection management improvements, native HTTP representation, and more.

December 11th, 2018

Building a Service Mesh With HAProxy & Consul

Solutions

In a service mesh, requests are passed to proxies that relay messages from one service to another. See how HAProxy can be used in the Consul service mesh.

Building a Service Mesh With HAProxy & Consul

November 28th, 2018

Bot protection with HAProxy

Solutions Tech Bots

HAProxy has best-in-class bot protection capabilities for detecting and defending against many types of unwanted bot traffic. Read on to learn how.

November 9th, 2018

Application Layer DDoS Attack Protection With HAProxy

Load Balancing / Routing Performance Products Security News

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

Application Layer DDoS Attack Protection With HAProxy

October 24th, 2018

HAProxy Config File: Global, Defaults, Front & Backend

Basics Tech

This guide explains the 4 core sections and key directives such as setting the haproxy default timeout, timeout client, and timeout server.

HAProxy Config File: Global, Defaults, Front & Backend

October 17th, 2018

Introduction to HAProxy Maps

Basics Products Solutions

In this post, you’ll learn how to create an HAProxy map file, store it on your system, reference it in your HAProxy configuration, and update it in real time.

October 9th, 2018

HAProxy on AWS: best practices part 2

Products Solutions Tech

In this blog post, we'll demonstrate how to place HAProxy at the edge of your AWS infrastructure without involving Elastic Load Balancing (ELB).

October 1st, 2018

Using HAProxy as an API gateway, part 1 [introduction]

Solutions Products API Gateway

An API gateway routes client requests intelligently and handles functions such as load balancing, security, and rate limiting.

Using HAProxy as an API gateway, part 1 [introduction]

September 21st, 2018

Introduction to HAProxy stick tables

Basics Tech

Learn more about HAProxy's fast, in-memory storage called stick tables that let you track user activities, including malicious ones, across requests.

September 13th, 2018

HAProxy ACLs: A Complete Guide with Examples

Basics Products Solutions Tech

A practical guide to HAProxy ACLs. Learn the syntax and follow step-by-step examples to block traffic, redirect users, choose backends, and enhance security.

HAProxy ACLs: A Complete Guide with Examples

May 31st, 2018

Hitless Reloads With HAProxy (How-To Configuration Guide)

Guide Tech

HAProxy offers a patch set for enabling seamless reloads of HAProxy without dropping packets in the process. In this blog post, we show you how to enable this.

Hitless Reloads With HAProxy (How-To Configuration Guide)

May 24th, 2018

Let’s Encrypt (ACMEv2) for HAProxy

Tech Guide

HAProxy Technologies is proud to announce the availability of an integrated Let’s Encrypt ACMEv2 Lua client for HAProxy and HAProxy Enterprise (HAPEE).

May 14th, 2018

Announcing HAProxy Enterprise 1.8r1

News Products

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.

April 5th, 2018

HAProxy & Consul With DNS for Service Discovery

Solutions

In this blog post, we will show you a zero-touch method for integrating HAProxy with Consul by using DNS for service discovery available in HAProxy 1.8.

HAProxy & Consul With DNS for Service Discovery

January 31st, 2018

HAProxy on AWS: Best Practices Part 1

Products Solutions Tech

In this blog post, we'll demonstrate how to use HAProxy in combination with Amazon Elastic Load Balancing (ELB) and Amazon Application Load Balancer (ALB).

December 20th, 2017

Multithreading in HAProxy

Tech

This blog post will provide an introduction to multithreading functionality in HAProxy, its configuration, and basic troubleshooting procedures.

November 28th, 2017

HAProxy Enterprise Edition now on AWS marketplace

News

LLC. is pleased to announce that HAProxy Enterprise Edition, the commercial version of its popular load balancer, is now available on AWS Marketplace.

HAProxy Enterprise Edition now on AWS marketplace

November 28th, 2017

Dynamic configuration with the HAProxy Runtime API

Tech Products

In this blog post, we'll take you on a tour of the HAProxy Runtime API and its capability to dynamically configure ACLs, stick tables and TLS ticket keys.

Dynamic configuration with the HAProxy Runtime API

November 14th, 2017

TLS 1.3 & 0-RTT in HAProxy

Tech

Transport Layer Security (TLS) is a cryptographic protocol that enables secure communications over a computer network.

November 1st, 2017

Announcing HAProxy 1.8

News Products Devops

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.

June 26th, 2017

Dynamic Scaling for Microservices With the HAProxy Runtime API

News Tech Solutions

Microservices architectures require the ability to make frequent app delivery changes in an automated and reliable way. The HAProxy Runtime API enables this.

Dynamic Scaling for Microservices With the HAProxy Runtime API

May 3rd, 2017

Truly Seamless Reloads With HAProxy – No More Hacks!

Devops News Tech Products

What users often call a “seamless” or “hitless” reload is a configuration update or a service upgrade performed with no impact on user experience.

Truly Seamless Reloads With HAProxy – No More Hacks!

March 24th, 2017

Using HAProxy With the Proxy Protocol to Better Secure Your Database

Solutions

Why use the Proxy protocol? Well, when you lose client information like IP address when relaying connections through proxies, this tends to prevent you from...

Using HAProxy With the Proxy Protocol to Better Secure Your Database

June 1st, 2016

HAProxy Technologies offers free hardware load balancers to students and interns

News

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.

HAProxy Technologies offers free hardware load balancers to students and interns

March 17th, 2016

ALOHA Pocket is Coming…

Solutions News

This is the ALOHA Pocket. Probably the smallest load balancer you have ever seen from any vendor.

March 9th, 2016

HAProxy and ELK (Elasticsearch, Logstash and Kibana) Stack

Tech

This blog contains information and provides a technical guide for getting started with the ELK stack, configuring HAProxy, parsing the data and troubleshooting.

HAProxy and ELK (Elasticsearch, Logstash and Kibana) Stack

February 10th, 2016

What is a Slow POST Attack & How to Prevent One? (Guide)

Solutions Tech

In a Slow POST attack, an attacker begins by sending a legitimate HTTP POST header to a Web server, exactly as they would under normal circumstances.

What is a Slow POST Attack & How to Prevent One? (Guide)

November 17th, 2015

HAProxy & Container IP Changes in Docker

Tech

In this blog post, we will answer this question: how to follow up on a container IP change when restarting a container?

HAProxy & Container IP Changes in Docker

October 14th, 2015

Announcing HAProxy 1.6

News Products

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.

July 15th, 2015

Serving ECC & RSA Certificates on Same IP With HAProxy

Solutions Tech

In this blog post, we will give a quick step-by-step guide on how to serve ECC and RSA certificates on the same IP with HAProxy.

Serving ECC & RSA Certificates on Same IP With HAProxy

May 6th, 2015

HAProxy’s Load Balancing Algorithm for Static Content Delivery With Varnish

Tech

In this blog post, we will show how to use HAProxy's hash based load balancing algorithm for static content delivery with Varnish.

HAProxy’s Load Balancing Algorithm for Static Content Delivery With Varnish

April 1st, 2015

Microsoft Remote Desktop Services (RDS) Load Balancing

Solutions Tech

Remote Desktop Services is a technology from Microsoft that allows users to remotely access a session-based desktop, virtual machine-based desktop, or...

Microsoft Remote Desktop Services (RDS) Load Balancing

February 15th, 2015

A HTTP Monitor Which Matches Multiple Conditions in HAProxy

Solutions Tech

Health checking is one of the most important features of a load balancer. Here we show how to match multiple conditions for HTTP health checking in HAProxy.

A HTTP Monitor Which Matches Multiple Conditions in HAProxy

October 15th, 2014

HAProxy and SSLv3 POODLE vulnerability

Solutions Tech

This blog post explains how to use HAProxy to simply prevent using SSLv3 or to prevent those users to reach your applications and print them a message.

September 30th, 2014

Mitigating the Shellshock Vulnerability With HAProxy

Tech Solutions

Today’s article will explain how to use HAProxy to protect your application from Bash shellshock vulnerability if you’re in a case where you have to be protected.

Mitigating the Shellshock Vulnerability With HAProxy

June 6th, 2014

PHP-FPM/FastCGI probe example (binary health check with HAProxy 1.5)

Tech Solutions Observability

In this blog post, we demonstrate how to enable binary health checks with HAProxy 1.5 by using a PHP-fpm/FastCGI probe example.

PHP-FPM/FastCGI probe example (binary health check with HAProxy 1.5)

May 26th, 2014

What is the HTTP 408 Request Timeout error? (+ how to fix it)

Basics Guide Random Tips

The HTTP 408 status code is an error returned by the server when it doesn't receive a timely request from the client.

What is the HTTP 408 Request Timeout error? (+ how to fix it)

April 28th, 2014

How to write Apache ProxyPass* rules in HAProxy?

Solutions Tech

Some customers ask us to migrate the Apache mod_proxy configuration into HAProxy. This article explains how to translate ProxyPass-related rules.

How to write Apache ProxyPass* rules in HAProxy?

February 13th, 2014

Linux Asymmetric Routing Using Multiple Default Gateways

Solutions Tech

In this blog post, we will demonstrate how to perform asymmetric routing and multiple default gateways on Linux with HAProxy.

Linux Asymmetric Routing Using Multiple Default Gateways

January 30th, 2014

How to Protect Application Cookies While Offloading SSL

Solutions Tech

You don’t want your clients to send their cookies (understand their identity) clearly through the Internet. This is today’s article's purpose.

How to Protect Application Cookies While Offloading SSL

January 17th, 2014

Emulating Active/Passive Application Clustering With HAProxy

Solutions Tech

In this blog post, we will show the different ways in which you can use the HAProxy load balancer to emulate an active/passive clustering mode.

Emulating Active/Passive Application Clustering With HAProxy

January 2nd, 2014

HAProxy Advanced Redis Health Check

Solutions Tech Observability

In this blog post, we demonstrate how to build a simple Redis infrastructure thanks to the HAProxy advanced send/expect health checks feature.

December 23rd, 2013

Failover & Worst Case Management With HAProxy

Solutions Tech

HAProxy allows to redirect traffic based on events and internal status. In this blog post we show how to use HAProxy for failover and worst-case management.

Failover & Worst Case Management With HAProxy

December 17th, 2013

Configuring HAProxy & Nginx for SPDY

Tech

Basically, HAProxy uses the NPN (and later the ALPN) TLS extension to figure out whether the client can browse the website using SPDY.

September 16th, 2013

Transparent proxying & binding with HAProxy & ALOHA load balancer

Guide Solutions Tech

Here comes the transparent proxy mode: HAProxy can be configured to spoof the client IP address when establishing the TCP connection to the server.

Transparent proxying & binding with HAProxy & ALOHA load balancer

June 13th, 2013

SSL client certificate information in HTTP headers & logs

Tech Guide

In this blog post, we show how you can enable inserting client certificate information in HTTP headers and reporting them in the log line with HAProxy.

SSL client certificate information in HTTP headers & logs

May 8th, 2013

Apache Linux/Cdorked.A backdoor detection

Tech

In this blog post, we provide an HAProxy configuration that can help you detect the Apache Cdorked Backdoor attack in your systems and protect them against it.

Apache Linux/Cdorked.A backdoor detection

April 26th, 2013

Brute Force Attacks in WordPress (HAProxy Prevention Guide)

Guide Solutions Tech

A brute force attack in WordPress consists of massively sending requests to a URL with different parameters each time. Here's how to prevent it using HAProxy...

Brute Force Attacks in WordPress (HAProxy Prevention Guide)

April 22nd, 2013

Client IP Persistence or Source IP Hash Load Balancing

Solutions Tech

In this blog post, we show two ways of performing source IP affinity with HAProxy: through the hash load balancing algorithm and using HAProxy Stick Tables.

Client IP Persistence or Source IP Hash Load Balancing

April 2nd, 2013

Configure Syslog-ng to Log Readable HTTP URL From HAProxy

Guide

In this blog post, we describe how you configure HAProxy to log URLs exactly the way they were sent by the client by using syslog-ng's flexible configuration.

Configure Syslog-ng to Log Readable HTTP URL From HAProxy

March 25th, 2013

IIS 6.0 appsession cookie and PCI compliance

Solutions Tech

When setup by the application server, the HAProxy load balancer can be used to update cookies on-the-fly. In this blog post, we explain how.

IIS 6.0 appsession cookie and PCI compliance

February 26th, 2013

SSL Offloading Impact on Web Applications

Tech

Performing SSL at the Load-Balancer Layer is called SSL offloading because you offload this process from your application servers. Here's what you should know.

SSL Offloading Impact on Web Applications

January 21st, 2013

Mitigating the SSL BEAST attack using the ALOHA load balancer

Solutions Tech

The BEAST attack on SSL isn’t new, but we have not yet published an article to explain how to mitigate it with ALOHA or HAProxy.

Mitigating the SSL BEAST attack using the ALOHA load balancer

December 17th, 2012

Microsoft Exchange 2013 Load Balancing With HAProxy

Solutions

In this blog post, we show how to perform load balancing with HAProxy on Microsoft Exchange 2013 Services hosted on single and multiple host names.

Microsoft Exchange 2013 Load Balancing With HAProxy

December 12th, 2012

HAProxy, High MySQL Request Rate and TCP Source Port Exhaustion

Solutions Tech

In this blog post, we show how to use HAProxy with MySQL at high request rates, and how to prevent the common TCP source port exhaustion error.

HAProxy, High MySQL Request Rate and TCP Source Port Exhaustion

November 13th, 2012

Exchange Outlook Web Access (OWA) Cross Site Request Forgery (CSRF) protection

Solutions Tech

In this blog post, we will provide information on how to enable Exchange Outlook Web Access (OWA) Cross-Site Request Forgery (CSRF) protection with HAProxy.

November 7th, 2012

HAProxy & WebSockets: A guide with configuration examples

Solutions Tech

HTTP protocol is connection-less and only the client can request information from a server. In any case, a server can contact a client. Furthermore...

HAProxy & WebSockets: A guide with configuration examples

October 29th, 2012

Customizing HAProxy Log Formats (with Examples)

Basics Tech

This guide shows you how to use the 'log-format' directive, variables, and captured headers to create the perfect log for your needs.

Customizing HAProxy Log Formats (with Examples)

October 26th, 2012

HAProxy and Gzip Compression

Tech

Compression is used for reducing object size in order to reduce delivery delay for objects over the HTTP protocol. We show how to enable this in HAProxy.

October 16th, 2012

High Performance WAF Platform With Naxsi and HAProxy

Solutions Tech

In this blog post, we will demonstrate how to create a highly performant WAF platform using Naxsi and the HAProxy load balancer.

High Performance WAF Platform With Naxsi and HAProxy

October 12th, 2012

Scalable WAF Protection With HAProxy & Apache With ModSecurity

Solutions Tech Security

The below information is deprecated as HAProxy Enterprise now offers a fully functional native WAF module which supports whitelist-based rulesets, and more.

Scalable WAF Protection With HAProxy & Apache With ModSecurity

October 3rd, 2012

SSL client certificate management at application level

SSL Tech

The main purpose of using client-side certificates is to increase the level of authentication. Since HAProxy is often in front of web platform, it is the right place to do this authentication.

SSL client certificate management at application level

September 21st, 2012

Highly available RTMP platform with HAProxy & crtmpserver

Tech Guide

In this blog, we share how to build a high-available RTMP platform for delivering video content with HAProxy and crtmpserver.

Highly available RTMP platform with HAProxy & crtmpserver

September 19th, 2012

eCommerce Application Delivery Controller (Configuration Guide)

Solutions Tech

In this blog post, we will show how to use HAProxy's layer 7 features to improve eCommerce website performance and provide the best end-user experience.

eCommerce Application Delivery Controller (Configuration Guide)

September 10th, 2012

How to Get SSL With HAProxy Getting Rid of Stunnel, Stud, NGINX or Pound

Solutions Tech

HAProxy is a high-performance reverse proxy and load balancer commonly used on web platforms and even as a replacement for hardware load balancers like F5 appliances.

How to Get SSL With HAProxy Getting Rid of Stunnel, Stud, NGINX or Pound

September 4th, 2012

How to: SSL Native in HAProxy

Guide Tech

HAProxy can support SSL offloading. Today, I’ll focus on how to install and configure HAProxy to offload SSL processing from your servers.

August 25th, 2012

How to Use HAProxy & Varnish Together on a Single Domain Name

Tech Solutions

In this blog post, we'll explain how to use both HAProxy and Varnish on a web application hosted on a single domain name.

How to Use HAProxy & Varnish Together on a Single Domain Name

July 4th, 2012

HAProxy vs Varnish (Complete Comparison)

Tech Thought Leadership

Despite being “competitors”, each of them has its own very well performing: HAProxy is a Reverse-proxy Load-Balancer and Varnish is a Reverse-proxy cache.

HAProxy vs Varnish (Complete Comparison)

July 3rd, 2012

HTTP request flood mitigation

Tech Guide

In this blog post, we will provide a configuration that you can use to protect your applications against HTTP request flood attacks.

July 2nd, 2012

Use the GeoIP Database With HAProxy (Easy to Follow Guide)

Tech Guide

Geolocation is the process of linking a third party to a geographical location. In easier words: know the country of a client's IP address. On the Internet, such a base is called GeoIP.

Use the GeoIP Database With HAProxy (Easy to Follow Guide)

June 30th, 2012

Efficient SMTP Relay Infrastructure With Postfix & Load Balancers

Guide Tech

In this blog post, we will explain how to configure the HAProxy load balancer to build an efficient SMTP relay infrastructure with Postfix.

Efficient SMTP Relay Infrastructure With Postfix & Load Balancers

June 5th, 2012

Preserve Source IP Address Despite Reverse Proxies (Guide)

Guide Basics

In this blog post, we aim to demonstrate how to preserve source IP addresses when using the reverse-proxy mode in HAProxy.

Preserve Source IP Address Despite Reverse Proxies (Guide)

April 24th, 2012

Hypervisors Performance Comparison & Benchmarking (Unbiased)

Benchmarking Tech

In this blog post, we summarize the findings of a hypervisors virtual network performance comparison from a virtualized load balancer point of view.

Hypervisors Performance Comparison & Benchmarking (Unbiased)

April 13th, 2012

Enhanced SSL Load Balancing With Server Name Indication (SNI) TLS Extension

Tech Guide

In this blog post, we show how to enable enhanced SSL load balancing with the Server Name Indication (SNI) TLS Extension in HAProxy and HAProxy ALOHA.

Enhanced SSL Load Balancing With Server Name Indication (SNI) TLS Extension

March 29th, 2012

Load Balancing, Affinity, Persistence & Sticky Sessions

Basics Tech

This blog post shows why and how to use a load balancer, the differences between Affinity, Persistence, and Sticky Sessions, and how to enable them in HAProxy.

Load Balancing, Affinity, Persistence & Sticky Sessions

October 24th, 2011

Microsoft Terminal Server / RemoteApp Load Balancing

Basics Tech

Microsoft Terminal Services or remoteapps both use the RDP protocol. One issue when using RDP is being able to stick a user to a server.

Microsoft Terminal Server / RemoteApp Load Balancing

September 28th, 2011

Using ALOHA load balancer as a Reverse Proxy (Guide)

Basics Tech

This blog post will show you how to use HAProxy ALOHA as a reverse proxy for accessing multiple websites or apps behind a single public IP address.

Using ALOHA load balancer as a Reverse Proxy (Guide)

September 16th, 2011

Benchmarking SSL performance

Tech Benchmarking

In this blog post, we explain how one can improve SSL/TLS performance by adding some functionality to SSL open-source software with HAProxy.

July 29th, 2011

Layer 4 Load Balancing Direct Server Return Mode

Basics Tech

In this blog post, we explain what the Layer 4 Load Balancing Direct Server Return (DSR) Mode is, its pros and cons and when and how to use it.

Layer 4 Load Balancing Direct Server Return Mode

July 29th, 2011

Layer 4 load balancing tunnel mode

Tech Basics

In this blog post, we explain what the Layer 4 load balancing tunnel mode is, how it works, when to use it, as well as its pros and cons.

July 22nd, 2011

Layer 4 Load Balancing NAT Mode

Basics Tech

In this blog post, we explain what the Layer 4 Load Balancing NAT Mode is, its pros and cons and when to use this type of architecture.

July 14th, 2011

Send users to the same server for IMAP & SMTP

Tech Guide

In this blog post we will demonstrate how you can send users to the same server for imap and smtp by using HAProxy ALOHA.

Send users to the same server for IMAP & SMTP

July 12th, 2011

Send User to the Same Backend for both HTTP & HTTPS

Tech Guide

Your application uses both HTTP and HTTPS, depending on the pages. SSL encryption is achieved by your backend server directly. Here's how.

Send User to the Same Backend for both HTTP & HTTPS

July 11th, 2011

Protect Your Web Server Against Slowloris Attack

Guide Solutions

Slowloris is a script which opens TCP connections and sends HTTP headers very slowly to force web servers to keep connections opened. The purpose is to...

Protect Your Web Server Against Slowloris Attack

July 4th, 2011

Maintain affinity based on SSL session ID

Tech Guide

HAProxy ALOHA allows you to maintain HTTPS sessions based on SSL connection ID. In this blog post, we show you how to configure HAProxy ALOHA for this.

Maintain affinity based on SSL session ID

June 28th, 2011

How to play with maxconn to avoid server slowness or crash

Tech Guide

In this blog post we demonstrate how to protect any application or web server against unexpected high load using HAProxy ALOHA.

How to play with maxconn to avoid server slowness or crash

June 17th, 2011

Smart Content Switching for a News Website

Tech Guide

Build a scalable architecture for a news website using these components: A load balancer with content switching capability, cache server and application server.

Smart Content Switching for a News Website

June 14th, 2011

HAProxy Aloha Layer 7 IPv6 to IPv4 Configuration (Guide)

Guide Products

In this blog post, we show how to configure HAProxy Aloha to use it as an IPv6 to IPv4 gateway without modifying anything on your current platform.

HAProxy Aloha Layer 7 IPv6 to IPv4 Configuration (Guide)

June 9th, 2011

Layer 4 vs Layer 7 Load Balancing (Differences Explained)

Basics Tech

Layer 4 is related to the transport layer of the OSI model, and layer 7 is related to the application level. A layer 7 load balancer makes routing decisions based on...

Layer 4 vs Layer 7 Load Balancing (Differences Explained)

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