Training Example: HAProxy Technologies – Review the Data, Give Your Score & Compare to the Real AI Evaluation

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High-performance traffic management and next-gen security with multi-cloud management and observability. Built for the enterprise — open source at heart.

Discover HAProxy One

See what's new in our latest releases

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Conference Spotlight

From HAProxy Unified Gateway 1.0 to the continued evolution of HAProxy Fusion Control Plane, KubeCon enabled us to showcase our latest cloud-native capabilities to one of our favorite crowds. Dive deeper into what's new, what resonated, and what's stuck with us since.

View the recap

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LIVE WEBINAR > F5 Migration Office Hours

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[H2] Learn why we are G2's top-ranked solution
User reviews on G2 rank HAProxy as a Leader in Load Balancing, Container Networking, API Management, DDoS Protection, and WAF.

Read the G2 reviews

"HAProxy showcases community at its best and this project is the very definition of sustainability."

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Kelsey Hightower
Software Engineer and Technologist

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"An example of a company that focuses on performance and efficiency, that is why HAProxy remains my favorite proxy. Not just adding flashy features."

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Hussein Nasser
Software Engineer and Author

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Platform Overview

The world's fastest application delivery and security platform seamlessly blends data plane, control plane, and edge network to deliver the world's most demanding applications, APIs, and AI services in any environment.

Discover HAProxy One

[H2] HAProxy Enterprise
A flexible data plane layer that provides high-performance load balancing, an API/AI gateway, Kubernetes application routing, best-in-class SSL processing, and multi-layered security.

[H2] HAProxy Fusion Control Plane
A scalable control plane that provides full-lifecycle management, monitoring, and automation of multi-cluster, multi-cloud, and multi-team HAProxy Enterprise deployments.

[H2] HAProxy Edge
A secure edge network that provides a high-capacity global ADN and threat intelligence — enhanced by machine learning — that powers the next-generation security layers in HAProxy Fusion and HAProxy Enterprise.

[H2] World-class experience
Award-winning 24/7/365 support from the expert engineers behind HAProxy. We are authoritative on the data plane, control plane, security layers, and the whole networking and Linux stack. We'll do whatever it takes to make your HAProxy deployment a success.

Featured Solutions

HAProxy One keeps your mission-critical websites and applications fast, secure, and highly available — in any environment.

Contact us

Load balancing

Web app and API protection

High availability

Kubernetes app routing

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Load balancing

[H3] High-performance traffic management at massive scale
Load balancer and reverse proxy for HTTP, TCP, UDP, and QUIC applications — with HAProxy’s legendary performance and reliability! Robust architecture, highly customizable, and runs anywhere.

Go to solution

Cost-efficient performance

2 million TPS on a single AWS Arm instance. Best-in-class SSL/TLS processing. Efficiency that saves you money.

Trusted and proven

Over 20 years of open source development. The world’s most widely used software load balancer.

Any app, any environment

Works with virtually any app, API, or AI service. Advanced routing options and customizable with Lua and SPOE. Run on any Linux server, cloud, container, or VM with identical performance and features.

Load Balancing as a Service (LBaaS)

Offload load balancer management from central Ops teams while making self-service application delivery more efficient for App teams.

Central management

Multi-cluster, multi-cloud, and multi-team management, observability, and automation via a central control plane.

SaaS ADN

Fully managed app delivery services on our global network, powered by HAProxy. For the ultimate scale and simplicity.

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Web app and API protection

[H3] Next-gen security with threat intelligence
Multi-layered security fends off threats before they can reach your application — powering your uptime while keeping your organization, data, and users safe.

Go to solution

DDoS protection

Maintain service availability without slowdowns, even under sustained attacks or unpredictable traffic spikes.

Bot management and protection

Fast and cost-efficient bot detection and enforcement, all done locally on your infrastructure.

API/AI protection

Authentication, filtering, rate limiting, and routing for API traffic and AI/LLM prompts ensures performance and security.

Web application firewall

Exceptional balanced accuracy and ultra-low latency, without relying on static lists and regex-based attack signatures.

Central security policy

Multi-cluster, multi-cloud, and multi-team management, security policy, WAF configuration, and observability.

SaaS ADN

Fully managed app security services on our global network, powered by HAProxy. For the ultimate full-spectrum protection.

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High availability

[H3] Uptime for mission-critical applications
Seamless redundancy, a resilient architecture, and proactive monitoring ensure high availability for the most demanding applications.

Go to solution

Fault tolerant clusters

With Active/Active or Active/Standby configuration and automatic failover, your backup load balancer will always be ready.

Maintain network stability

Advanced health checks monitor server health. Retry-requests and circuit-breaking route traffic around unhealthy server groups.

Mitigate deployment risks

Increase and drain traffic to servers during application deployments. Hitless reloads when updating HAProxy configuration.

Resilience to attack

Stay online, and protect your users, data, transactions, and content — even under sustained heavy attack.

Maximize efficiency

Timeouts, connection pooling, and traffic overload protection mean your servers are always running at their best.

SaaS ADN

Fully managed app delivery services on our global network, powered by HAProxy. For the ultimate reliability and capacity.

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Kubernetes app routing

[H3] Simplify Kubernetes on-premises or in the cloud
Intelligent external load balancing, multi-cluster routing, direct-to-pod load balancing, and high-performance ingress for Kubernetes applications.

Go to solution

External load balancing

Simplify deploying Kubernetes on-premises with fully automated external load balancing.

Multi-cluster routing

Enable high-performance load balancing for your Kubernetes clusters within one or many cloud regions.

Direct-to-pod load balancing

Consolidate Kubernetes app routing into a single layer for reduced complexity and infrastructure costs.

Ingress control

Kubernetes-standard traffic routing using the Ingress API, in a high-performance package.

Service discovery

Service discovery, dynamic config generation, and multi-cluster observability via a central control plane.

Container images

Easily deploy HAProxy nodes in containers with verified images on Docker Hub.

Why HAProxy?

HAProxy Technologies is the company behind HAProxy One, the world’s fastest application delivery and security platform, and HAProxy, the most widely used software load balancer.

About us

[H3] Incredible technology
From performance, security, and control planes to the use of AI/ML, HAProxy has led the way for over 20 years — providing a platform for continuous innovation.

[H3] Open source and independent
HAProxy Technologies is proudly independently owned and operated. We owe our open source development and rapid growth to our thriving community and customers, alike.

[H3] Relentless customer focus
We have only one priority: serving our users by providing the best products and the best customer experience in the world.

HAProxy User Stories

Leading platforms and cloud providers trust HAProxy to simplify, scale, and secure modern applications, APIs, and AI services in any environment. Watch them tell their stories at HAProxyConf.

See more user stories

Contact us

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[H3] Data informed decision making: Roblox use case for more metrics
Adam Mills from Roblox discusses methods and implementations of data processing and analysis, and shares some tips so you can prove the value of MORE metrics.

Go to user story

Adam MillsPrincipal Site Reliability Engineer, Roblox

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[H3] Modernizing LinkedIn’s traffic stack
Rapid changes in the ecosystem forced LinkedIn to revisit its traffic stack. After an extensive evaluation process, HAProxy came out as a winner. See why.

Go to user story

Sri Ram BathinaStaff Software Engineer, System Infrastructure, LinkedIn

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[H3] Load balancing and high availability on Postgres using HAProxy
Discover how Cloudflare uses HAProxy for load balancing, health checks & directing traffic in Postgres clusters across multiple data centers.

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Vignesh RavichandranEngineering Manager, Databases, Cloudflare

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[H3] Handling 80 petabytes a month: autoscaling with traffic volume to protect revenue and reputation
Docker's HAProxy-based cloud-native API gateway is scalable, resilient & highly available. Learn how to leverage Kubernetes for autoscaling in this talk.

Go to user story

Ryan HristovskiInfrastructure Engineer, Docker

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[H3] Load balancers at DigitalOcean
In this presentation, Neal Shrader describes how DigitalOcean leverages HAProxy to power several key components within its infrastructure.

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Neal ShraderSoftware Engineer, DigitalOcean

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[H3] Inside the GitHub load balancer
GitHub built a resilient custom solution on top of HAProxy to intelligently route requests coming from various clients, including Git, SSH, and MySQL.

Go to user story

Joe WilliamsStaff Engineer, GitHub

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[H3] How we achieved 2 million RPS: HAProxy on Arm processors
Learn how Arm’s Graviton2 processor, which was specially developed to run on AWS EC2 instances, created the opportunity to benchmark HAProxy on a machine.

Go to user story

Kailas JawadekarSr Manager, Software Ecosystem, Arm

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Featured Resources

Your next-gen app delivery and security are closer than you think. Get started with technical webinars, documentation, and more.

See more resources

On-demand webinar

[H3]

Centralized security and management at scale: introducing HAProxy Fusion 2.0

Don't let infrastructure complexity slow down your innovation. Watch our on-demand webinar to see how the world’s fastest application delivery and security platform just got even more powerful.

Watch now

On-demand webinar

[H3]

Life after Ingress NGINX: a zero-stress migration guide to HAProxy

Watch our webinar where we break down exactly how to move from Ingress NGINX to the HAProxy Kubernetes Ingress Controller—and why this switch gives you immediate performance wins and a future-proof path to the Gateway API.

Watch now

Contact the authoritative experts at H

[H2] Looking for support?
If you are already a customer, log into our customer portal.

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[H3] Premium support
Our authoritative experts ensure customers have access to the highest level of 24/7 technical support, ensuring issues see timely resolutions.

[H3] Cutting-edge performance
HAProxy enables lightning fast application delivery, backed by high-performance security and unmatched scalability.

[H3] Next-gen security
Our customizable, multi-layered security approach is built to defeat today’s and tomorrow’s biggest threats — before they reach your services.

[H2] More ways to get in touch with HAProxy Technologies
Need to reach out by phone, mail, or send a detailed message along? Teams based around our two global headquarters locations are ready to help.
[H3] Find us online

[H4] AmericanHeadquarters
1001 Watertown StSuite 201BNewton MA 02465United StatesPhone: +1 (844) 222-4340

[H4] EuropeanHeadquarters
15 Avenue Raymond Aron92160 AntonyFrancePhone: +33 1 30 67 60 74

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HAProxy One

Manage, secure, and observe all your application traffic — in any environment — with a unified platform.

Request a demo

Benchmarks

We are the G2 category leader in API management, container networking, DDoS protection, web application firewall (WAF), and load balancing. Here are four reasons why.

2 million
RPS per node with SSL/TLS

3.8 million
Syslog messages per second over UDP

99.65%
WAF balanced accuracy

<1ms
latency with security

Platform Overview

The world's fastest application delivery and security platform seamlessly blends data plane, control plane, and edge network to deliver the world's most demanding applications, APIs, and AI services in any environment.

[H2] HAProxy Enterprise
A flexible data plane layer that provides high-performance load balancing, an API/AI gateway, Kubernetes application routing, best-in-class SSL/TLS processing, and multi-layered security.

Learn more

[H2] HAProxy Fusion Control Plane
A scalable control plane that provides full-lifecycle management, monitoring, and automation of multi-cluster, multi-cloud, and multi-team HAProxy Enterprise deployments.

Learn more

[H2] HAProxy Edge
A secure edge network that provides a high-capacity global ADN and threat intelligence — enhanced by machine learning — that powers the next-generation security layers in HAProxy Fusion and HAProxy Enterprise.

Learn more

[H2] World-class experience
Award-winning 24/7/365 support from the expert engineers behind HAProxy. We are authoritative on the data plane, control plane, security layers, and the whole networking and Linux stack. We'll do whatever it takes to make your HAProxy deployment a success.

Learn more

HAProxy One Benefits

HAProxy One helps you scale and protect your application traffic — while keeping things simple.

Simplify your world

Consolidate multiple functions in one powerful layer. Bring clarity to sprawling infrastructure.

Scale efficiently

Get the most out of your cloud and server investment. Keep costs down while you innovate and grow.

Secure all traffic

Enforce consistent and effective security at the edge with multi-app and multi-environment protection.

Be supported

Learn, deploy, and optimize faster with the authoritative experts on HAProxy and load balancing on your side.

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[H3] The Path from Legacy to the Future - How Double Verify Transitioned from F5 to HAProxy Enterprise
By migrating to HAProxy, DoubleVerify reduced its costs by 90%. HAProxy also provided them with horizontal scalability, increased performance, and network-wide observability.

Read the story

Key Capabilities

Traffic management

Multi-layered security

Global network

Management and observability

Simple integration

Trusted reliability

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Traffic management

[H3] Deliver any application, 24/7
High-performance load balancing, routing, and filtering for HTTP, TCP, UDP, and QUIC traffic — with HAProxy’s legendary performance and reliability. Includes intelligent Kubernetes app routing and API/AI gateway.

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Multi-layered security

[H3] Smarter, comprehensive threat protection
Next-gen security layers powered by threat intelligence enhanced by machine learning. Includes DDoS protection and rate limiting, best-in-class SSL/TLS processing, access control, bot management, API protection, and web application firewall.

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Global network

[H3] ADN, CDN, and beyond
Globally distributed application delivery network that provides fully managed application delivery and security services, and threat intelligence enhanced by machine learning that powers the next-generation security layers in HAProxy One.

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Management and observability

[H3] Simplicity and visibillity at scale
Management, monitoring, and automation for multi-cluster, multi-cloud, and multi-team deployments. Includes GUI and API (with 100% coverage), RBAC, and customizable dashboards.

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Simple integration

[H3] Deploy anywhere using leading technologies
Consistent performance in any cloud, container, VM, or Linux server. Includes AWS Auto Scaling, automated service discovery for Kubernetes and Consul, open APIs, Lua scripting, and a customizable open source core. Intel and Arm compatible.

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Trusted reliability

[H3] No time for downtime
Resilient architecture, robust open source codebase, and comprehensive documentation make HAProxy one of the most trustable layers in your application delivery stack.

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"The support team is phenomenal. They're available through Slack, providing near-instantaneous responses and practical solutions. We've dealt with companies charging 10x or 30x more for support that pales in comparison. HAProxy's support team sets a new standard."

Derek L., via G2

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"HAProxy stands out for its exceptional performance in dynamic and high-load environments. The addition of the HAProxy Fusion Control Plane further enhances its capabilities, providing powerful tools for managing and securing large-scale deployments. Whether you need efficient load balancing, comprehensive observability, or advanced security, HAProxy with HAProxy Fusion offers a robust solution."

Jeff H., via G2

Read more

Contact the authoritative experts at HAProxy to find the best solutions for your deployment, scalability, and security needs.

Contact us

Get HAProxy

Welcome to the HAProxy documentation! Here you will find installation procedures, tutorials, and reference guides for all products. Choose a topic below to get started.

[H2] Product Documentation

HAProxy Enterprise
HAProxy Enterprise is the industry's leading software load balancer. It powers modern application delivery at any scale and in any environment, providing the utmost performance, observability and security.

HAProxy ALOHA
A plug-and-play hardware or virtual load balancer based on HAProxy Enterprise. Its simple graphical interface, easy installation, and no limit on backend servers make it ideal to ensure high-performance load distribution for critical services.

HAProxy Fusion Control Plane
HAProxy Fusion Control Plane provides a single, graphical interface and API for managing your load balancers.

HAProxy Unified Gateway
HAProxy Unified Gateway is a free, open-source product dedicated to providing unified, high-performance, Kubernetes-native application routing for both Gateway API and Ingress API.

HAProxy Kubernetes Ingress Controller
HAProxy Kubernetes Ingress Controller is built to supercharge your Kubernetes environment by adding
advanced TCP and HTTP routing.

HAProxy Edge
Learn how to configure and manage HAProxy Edge.

[H2] Configuration Documentation

HAProxy Config Tutorials
Examples of configuring the load balancer for common use cases and a good starting point for learning how to use HAProxy.

HAProxy Configuration Manual
HAProxy's manual containing detailed information on how to configure and use the load balancer.

[H2] API Documentation

HAProxy Data Plane API
The Data Plane API lets you configure the load balancer using HTTP RESTful commands.

HAProxy Fusion API
HAProxy Fusion Control Plane provides a single, graphical interface and API for managing your load balancers.

HAProxy Runtime API
Use the Runtime API to update the load balancer's configuration in memory without requiring a reload.

HAProxy LUA API
HAProxy and HAProxy Enterprise come with a Lua interpreter that allows you to write custom Lua scripts that extend the load balanacer’s functionality.