HAProxy Enterprise
load balancer
Powering mission-critical enterprise applications with advanced load balancing and next-generation security. Built to deliver global scalability and consistent performance in any environment.
Enterprise load balancing, security, and automation at global scale
Modern enterprises depend on load balancers to ensure speed, reliability, and protection at every layer of their digital infrastructure. HAProxy Enterprise extends HAProxy Community with next-gen security, HAProxy Fusion integration, and authoritative support.
Unrivaled scalability
HAProxy Enterprise's high-performance design prioritizes speed and maximum efficiency, while HAProxy Fusion provides centralized management for massive deployments.
Handle millions of requests per second with sub-millisecond latency, delivering true enterprise scale for TCP, UDP, QUIC, and HTTP-based applications.
Rock-solid reliability
Built on a rigorously developed and tested open source core refined over 20+ years, HAProxy Enterprise load balancer’s high availability features keep applications running their best.
Achieve 99.999% uptime with active-active failover and automated health checks built for enterprise continuity.
Next-gen security
Multi-layered security stops new and emerging threats in their tracks — including the OWASP Top 10 and zero-day vulnerabilities.
Secure mission-critical applications withDDoS protection,enterprise-grade WAF,bot management, and mTLS encryption for continuous availability and compliance.
Multi-cloud without fragmentation
HAProxy Enterprise load balancer provides consistent performance and features across all environments, including bare metal, VMs, Kubernetes, public cloud, and multi-cloud.
Deploy anywhere with no cloud lock-in and no compromise. HAProxy Fusion provides centralized management and observability across all environments.
Key HAProxy Enterpriseload balancer capabilities
Learn how HAProxy Enterprise load balancer enables rapid, reliable, and secure application delivery for organizations of all sizes and industries.
Next-gen security with threat intelligence
HAProxy Enterprise's multi-layered security fends off threats before they can reach your application — powering your uptime while keeping your organization, data, and users safe.
HAProxy Enterprise WAF
Powered by our Intelligent WAF Engine and threat intelligence data from HAProxy Edge, our next-gen WAF delivers a balanced accuracy of 98.48% with ultra-low latency and zero-day threat protection.
Customize protection for different apps and locations with WAF Profiles.
HAProxy Enterprise Bot Management Module
Stop DDoS attacks, fraud, scraping, brute force attacks, and more — not legitimate bots or tools. The Threat Detection Engine (TDE) detects, classifies, and labels complex threats with exceptional accuracy. Adapts dynamically to your traffic profile, and keeps your data private with 100% local processing.
Global Profiling Engine (GPE)
View client behavior in real-time across an HAProxy cluster. Dynamically generated counter thresholds, based on historical data, power automated global rate limiting and advanced security analysis.
Extensive Access Control List (ACL) system
Own your traffic. Flexible routing rules let you make decisions based on any TCP/IP information, HTTP attribute, or dynamic traffic conditions — with full logical operator support.
Diverse response policies
Send JavaScript and CAPTCHA challenges to suspicious clients — stopping harmful bots, web scrapers, and crawlers. Deny, reject, tarpit, shadow ban, or silently drop troublesome connections to prevent abuse. Supports multiple CAPTCHA types, providers, and in-session challenges.
HTTP validation and sanitization
Validate that HTTP requests and others comply with their protocol specifications before forwarding them to application servers. Filter and verify that HTTP header names and contents respect the HTTP specification.
Unified load balancing at any scale
HAProxy Enterprise provides enterprise-grade load balancing for optimized traffic management. It adapts to any demand and infrastructure, making it suitable for the largest global networks.
Broad protocol support
Load balance HTTP, HTTP/2, HTTP/3, HTTP/3 over QUIC, UDP, gRPC, FastCGI, Financial Information eXchange (FIX), and MQTT traffic — and more.
Bring any application to HAProxy Enterprise.
Comprehensive routing
Harness over 13 different static and dynamic load-balancing algorithms. Direct requests to specific application clusters based on URL, domain name, client IP address, file extension, backend health, connection count, and more.
HAProxy Enterprise UDP Module
Fast and reliable UDP load balancing with a native module. Load balance 3.8 million Syslog messages per second with best-in-class delivery rates.
Enable session persistence and implement advanced UDP traffic-routing logic.
High availability
Keep your applications and APIs online via advanced health checks, route health injection, traffic overload protection, and support for VRRP active/passive clustering. Session stickiness maintains user sessions based on TCP/IP info or any HTTP request property.
Global Server Load Balancing (GSLB)
Designate HAProxy Enterprise as an authoritative DNS server across global regions and assign client requests to local datacenters. Enable failover protection and round-robin traffic distribution. Simple config management for multiple zones, regions, and data centers, and secure HTTPS health checking.
Dynamic Update Module
Update your HAProxy Enterprise .map files and access control list (ACL) files at runtime without reloading HAProxy. Push updates to your load balancing clusters in real time without dropping connections or sapping resources.
Unmatched throughput meets the lowest latency
HAProxy Enterprise is built from the ground up for performance. Efficiently balance growing traffic by optimizing CPU, GPU, memory, and network bandwidth use for all apps and APIs.
High-performance TLS
Enable TLS with ultra-low latency and massive scalability, to reduce strain on backend servers. The AWS-LC library provides the best available performance at any scale.
Caching and compression
Compress HTTP requests and responses to reduce payloads, bandwidth usage, and latency. Serve HTML pages, CSS, JavaScript, API responses, and more directly from HAProxy to reduce application server load.
Connection pooling
Reuse idle connections between HAProxy and your backend servers to save time. Reduce the overhead of managing persistent connections through efficient backend resource use.
Traffic shaping
Control the bandwidth of data flow into and out of your load balancers. Delay HTTP requests and responses when consumption exceeds specified limits.
Automatic CPU binding
Boost performance and reduce latency on massively multi-core systems by assigning threads to specific CPU sets. Automatically analyze your CPU topology, including packaging, NUMA modes, CCX, L3 caches, cores, and threads, to optimize thread groupings and data sharing across suitable CPUs.
Automated OCSP stapling
Efficiently check the revocation status of TLS certificates in real-time and preemptively send this status information to clients — reducing overall latency by eliminating a network hop.
Optimizing Kubernetes infrastructure with enterprise load balancing
Simplify Kubernetes traffic management with enterprise-grade performance, automation, and control. The HAProxy Enterprise Load Balancer integrates seamlessly with Kubernetes to deliver faster, more resilient, and fully observable application traffic across clusters.
External load balancing
Bring HAProxy Enterprise-powered external load balancing to on-premises K8s, rivaling the simplicity of public cloud setups. Harness HAProxy Fusion's management, monitoring, and automation capabilities for your K8s-ready clusters.
Multi-cluster routing
Split your application traffic between clusters and leverage K8s' flexibility. Ensure high availability, even if your applications live in different clouds or regions.
Direct-to-pod load balancing
Connect external clients to your containerized Kubernetes services. Route your traffic directly to pod endpoints within your Kubernetes clusters.
Ingress control
HAProxy Enterprise Kubernetes Ingress Controller's advanced TCP and HTTP routing connects clients outside your Kubernetes cluster with containers inside.
Automated service discovery
HAProxy Fusion’s automated service discovery for Kubernetes and Consul environments efficiently identifies backend services. Generate 100,000s of lines of dynamic configuration in mere seconds.
Containerized packages
Quickly deploy HAProxy Enterprise within a containerized environment. Run within Docker using Alpine, Ubuntu, or Debian base images for improved isolation, efficiency, and orchestration.
Powering modern applications, everywhere
With support for today's most popular types of applications, APIs, and deployment methods, HAProxy Enterprise is ready to help you scale successfully.
On-premises or cloud
Deploy HAProxy Enterprise anywhere — including on-premises, in air-gapped environments, and in hybrid-cloud or multi-cloud environments.
Diverse form factors
HAProxy Enterprise comes packaged as a software load balancer, virtual appliance, or within rack-mounted hardware appliances to best match your infrastructure requirements.
Dynamic servers
Add and remove servers from HAProxy's available load-balancing pool on the fly without reloading core processes — based on health status, shifting backend needs, or other factors.
API integration
HAProxy Enterprise supports native APIs — such as Runtime API, Data Plane API, and Fusion API — to rapidly push configuration changes, compile cluster metrics, and enable automated infrastructure management in real time.
Lua scripting
Extend HAProxy Enterprise's functionality using custom scripts to verify service requests, establish alert mailers, create custom background tasks, configure sidecar TCP/HTTP services, and more.
Stream Processing Offload Engine (SPOE)
Extend HAProxy Enterprise without altering its core codebase. Access real-time data, divert live traffic externally for out-of-band data processing, and instruct your load balancers to perform conditional actions.
Application delivery at scale, made simple
HAProxy Enterprise integrates seamlessly with HAProxy Fusion to unlock management, observability, and automation — via API, GUI, or command line.
Centralized security
Centrally configure HAProxy Enterprise WAF, HAProxy Enterprise Bot Management Module, global rate limiting, and other security features. Apply shared or per-app policies across your clusters, and monitor security layer responses. Manage SSL/TLS certificates while viewing expiry dates, revocation status, and more.
Monitoring and logging
View over 150 metrics to assess service health, traffic rates, and backend load aggregated across multiple load balancer clusters. Create custom dashboards with historical data. Compile detailed runtime logs from HAProxy Enterprise and troubleshoot efficiently.
API and GUI
Integrate HAProxy Enterprise with continuous-delivery pipelines and automated workflows. Harness the Fusion API, built atop the OpenAPI Specification, to integrate custom applications with the load balancing tier — enabling automation for common tasks.
Infrastructure integration
Harness high-performance automated service discovery for Kubernetes and Consul environments. Deploy HAProxy Enterprise on AWS and Azure — via Amazon Machine Image (AMI), Amazon VPC, or via virtual machine on the Azure Marketplace. Monitor everything externally via native Prometheus integrations.
Enterprise administration
Enable fine-grained, role-based access control (RBAC) for your teams and users within HAProxy Fusion. Flexible single sign-on (SSO) including Open ID Connect (OIDC), SAML, AD FS, and Kerberos. Give your DevOps teams native support for powerful workflows, while tapping into the request-response pipeline using Lua.
Multi-cluster management
Centrally assign load balancers to cluster groups and delegate ownership to your DevSecOps teams. Replicate files across cluster groups, harness reusable configuration blueprints, and take advantage of automatic consistency checks.
Do more withHAProxy One
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.
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.
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.
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.
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.
Seamless integrationswith essential tech
What are users saying about HAProxy Enterprise?
"HAProxy has been an invaluable addition to our technology stack, from scaling out capacity for our applications to simplifying disaster recovery operations. From our first uses of the community edition and transitioning to the Enterprise Edition (HAPEE), one of the biggest standouts has been the documentation. The enterprise edition builds upon a great piece of software with tremendous documentation, developers and community support. It adds many additional modules and a dedicated team of account managers, engineers, and support staff."
"Whenever we've had questions or needed support, we've received great assistance. To us, that's crucial because we extend that same experience to our customers. Typically, we would just get first-level support from vendors, but with HAProxy Technologies we immediately had a senior expert who would understand our customers’ requirements, walk us through the configurations and logs, and answer the hard questions. That was very impressive."
Featured Resources
Learn tips, tricks, and best practices for getting the most out of HAProxy Enterprise — and stay up to date with new product developments.
Announcing HAProxy Enterprise 3.2
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.
Read more
HAProxy 3.2 feature roundup
HAProxy Technologies announces HAProxy 3.2. Watch our webinar to explore the latest features and learn how they can benefit your applications.
Watch now
Discover what's possible
Contact the authoritative experts at HAProxy to find the best solutions for your deployment, scalability, and security needs.
Frequently Asked Questions
For pricing information on HAProxy Enterprise, it's best tocontact our sales team directly, as pricing is customized based on your specific needs.
HAProxy Enterprise starts with the same powerful open-source core as HAProxy but adds enterprise-grade features. This includes advanced, low-latency security (WAF, DDoS, and bot management),UDP load balancing, 24/7 expert support, and a seamless migration path.
Most importantly, it's a key part of ourHAProxy One application delivery and security platform, which adds centralized management and observability via HAProxy Fusion Control Plane.
HAProxy Enterprise load balancer provides rock-solid high availability and clustering to protect you from downtime. Its efficient, high-performance architecture delivers ultra-low latency even at massive scale, allowing you to handle demanding workloads and traffic spikes while reducing resource consumption.
It's built for hybrid and multi-cloud freedom. As the data plane of the HAProxy One platform, Enterprise isinfrastructure-agnostic, allowing you to deploy and manage traffic consistently acrosson-prem, AWS, Azure, Kubernetes, or anywhere with centralized management and observability via HAProxy Fusion. This helps you avoid cloud lock-in.
HAProxy Enterprise provides multi-layered, low-latency security. This includes anintelligent next-generation WAF, comprehensiveDDoS protection and rate limiting, and advancedbot management. These security layers are enhanced by threat intelligence fromHAProxy Edge, our globally distributed network, and a core component of the HAProxy One platform.
Yes. HAProxy Enterprise is built for automation through its Data Plane API and Runtime API, which provide full programmatic control over configuration and traffic management. As part of the HAProxy One platform, it unlocks full-lifecycle automation via the HAProxy Fusion Control Plane. HAProxy Fusion provides 100% coverage of REST APIs and native integrations for tools such as Terraform, Ansible, Consul, and Kubernetes.
It's built for mission-critical workloads. HAProxy Enterprise offers robust high availability with active/active clustering and hitless reloads, ensuring seamless failover. Its high-performance core provides market-leading throughput, latency, and CPU/memory efficiency, enabling it to handle massive scale and absorb sudden traffic spikes.
HAProxy Enterprise provides verbose logging and real-time data. For a complete solution, the HAProxy One platform includes HAProxy Fusion, which delivers acomprehensive observability suite. This provides centralized logging, customizable dashboards, security analytics, a fine-grained request explorer, and integrations for tools such as Prometheus.