Load Balancing VMware Horizon's UDP and TCP Traffic: A Guide with HAProxy
Learn how to load balance VMware Horizon's complex UDP and TCP traffic using HAProxy's stateless stickiness. Improve remote desktop performance and reliability.
Articles in category
Solutions
Software Load Balancers vs Appliances: Better Performance & Consistency With HAProxy
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.
How to Extract Insightful Data From Proxy Protocol Packets
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.
Fundamentals: Load Balancing & the Right Distribution Algorithm for You
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: High Availability & the Role of a Reverse Proxy
In this blog post, we will explore the gold standard of high availability and the difference between a forward proxy and a reverse proxy.
Use Your Load Balancer to Monitor Application Health
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.
Load Balance an Infinite Number of Servers & Never Reload HAProxy
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.
What is Load Balancing & How it Works (Complete Breakdown)
Load balancing is the distribution of network traffic between backend servers to ensure high availability and performance. Here's everything you should know.
September/2021–CVE-2021-40346: Duplicate ‘Content-Length’ Header Fixed
If you use HAProxy 2.0 or up, you must update to the latest version. A vulnerability was found that makes it possible for an attacker to...
AWS EC2 Service Discovery With HAProxy (Step by Step Guide)
In this blog post, you will learn how to enable service discovery for AWS EC2 instances using HAProxy and the HAProxy Data Plane API.
Run the HAProxy Kubernetes Ingress Controller Outside of Your Kubernetes Cluster
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.
Consul Service Discovery for HAProxy (Integration Guide)
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.
Visualize HAProxy Metrics With InfluxDB
In this blog post, we’ll walk through all of the steps necessary to get your HAProxy metrics displayed in InfluxDB.
Autoscaling With the HAProxy Kubernetes Ingress Controller & KEDA
In this blog post, we will describe how to implement autoscaling of your application pods using KEDA and the HAProxy Kubernetes Ingress Controller.
Power Your Consul Service Mesh With HAProxy
Choosing HAProxy as the proxy technology in your Consul service mesh means you’re running a high-performance solution and reducing latency between services.
HAProxy Forwards Over 2 Million HTTP Requests per Second on a Single Arm-based AWS Graviton2 Instance
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.
Using HAProxy as an API Gateway, Part 6 [Security]
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]](https://cdn.haproxy.com/img/containers/partner_integrations/api-gateway-security.png/809caaf409b9cbba5f53d22b31c00307/api-gateway-security.png)
Using HAProxy as an API Gateway, Part 5 [Monetization]
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]](https://cdn.haproxy.com/img/containers/partner_integrations/api-gateway-monetization.png/f6ba7bc74399bb3dbeaec96f2813c2f7/api-gateway-monetization.png)
The HAProxy Enterprise WAF
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.
Logging With the HAProxy Kubernetes Ingress Controller
The HAProxy Kubernetes Ingress Controller has two sources of logs: the controller and the HAProxy load balancer. Both can be customized.
Using HAProxy as an API Gateway, Part 4 [Metrics]
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]](https://cdn.haproxy.com/img/containers/partner_integrations/api-gateway-4-metrics.png/bead5c0427ca39dcc7c44ed61225e630/api-gateway-4-metrics.png)
2 Ways to Implement a Circuit Breaker in HAProxy (Guide)
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.
Route SSH Connections With HAProxy
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.
HTTP Keep-Alive, Pipelining, Multiplexing & Connection Pooling
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.
HAProxy Log Sampling & Cost-Saving Benefits | 2 Examples
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.
Accelerate Your APIs by Using the HAProxy Cache
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.
HAProxy & HTTP Strict Transport Security (HSTS)
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.
Redirect HTTP to HTTPS in a Few Easy Steps With HAProxy
Read on to learn how to use the HAProxy load balancer to redirect users from HTTP to HTTPS automatically in a few easy steps.
Is That Bot Really Googlebot? Detecting Fake Crawlers With HAProxy Enterprise
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.
Become FIPS Compliant With HAProxy Enterprise on Red Hat Enterprise Linux 8
In the blog post, you will learn how to become FIPS compliant using Red Hat Enterprise Linux 8 and HAProxy Enterprise for TLS encryption.
Dynamic SSL Certificate Storage in HAProxy
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.
Use HAProxy Response Policies to Stop Threats
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.
Enable TLS With Let’s Encrypt & the HAProxy Kubernetes Ingress Controller
Learn how to configure TLS with the HAProxy Kubernetes Ingress Controller to provide secure communication to everyone accessing your Kubernetes services.
Get to Know the HAProxy Process Manager
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.
HAProxy on Docker Swarm: Load Balancing & DNS Service Discovery
In this blog post, you’ll see how to combine HAProxy and Docker Swarm to load balance traffic across your service replicas.
PacketShield: A Tool for Superior DDoS Protection
Learn more about the HAProxy ALOHA PacketShield product, which provides stateful packet filtering and protects your network against DDoS.
HAProxy Rate Limiting: Four Examples
Use rate limiting in HAProxy to stop clients from making too many requests and promote fair usage of your services.
HAProxy Traffic Mirroring for Real-World Testing
Learn how to use the HAProxy Traffic Shadowing agent to enable traffic mirroring and stream production requests to a test environment.
HAProxy Layer 7 Retries & Chaos Engineering
HAProxy 2.0 introduced layer 7 retries, which provides resilience against unreachable nodes, network latency, slow servers, and HTTP errors.
Dissecting the HAProxy Kubernetes Ingress Controller
Learn how the new HAProxy Kubernetes Ingress Controller provides a high-performance ingress for your Kubernetes-hosted applications.
The New HAProxy Data Plane API: Two Examples of Programmatic Configuration
This blog post shows you how to use the HAProxy Data Plane API to manage your load balancer configuration dynamically using HTTP commands.
DNS for Service Discovery in HAProxy
Learn how to use DNS service discovery in HAProxy to detect server changes and automatically apply them to your configuration.
Tracing Requests Through HAProxy With AWS X-Ray
HAProxy integrates with AWS X-Ray to give you the best observability across your Amazon Web Services (AWS) resources, including your load balancer.
Exploring the HAProxy Stats Page (What You Should Know)
The HAProxy Stats page shows you an abundance of frontend and backend stats covering the health of your servers, current request rates, response times, etc.
HAProxy Exposes a Prometheus Metrics Endpoint
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.
Extend HAProxy With Stream Processing Offload Engine (SPOE)
Learn how to use The HAProxy Stream Processing Offload Engine (SPOE) filter to extend HAProxy in any language without modifying its core codebase.
IP Masking in HAProxy
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.
Using HAProxy as an API Gateway, Part 3 [Health Checks]
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]](https://cdn.haproxy.com/img/containers/partner_integrations/image2-2-%281%29.png/5ef4ef148b968f89804293c3d44312e7/image2-2-%281%29.png)
Test Driving “Power of Two Random Choices” Load Balancing
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.
Using HAProxy as an API Gateway, Part 2 [Authentication]
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]](https://cdn.haproxy.com/img/containers/partner_integrations/image2-e1548174430466.png/3942e9fa498bb46e325ba72db6f9bd84/image2-e1548174430466.png)
HAProxy 1.9.2 Adds gRPC Support
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.
Building a Service Mesh With HAProxy & Consul
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.
Bot Protection With HAProxy
HAProxy has best-in-class bot protection capabilities for detecting and defending against many types of unwanted bot traffic. Read on to learn how.
Introduction to HAProxy Maps
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.
HAProxy on AWS: Best Practices Part 2
In this blog post, we'll demonstrate how to place HAProxy at the edge of your AWS infrastructure without involving Elastic Load Balancing (ELB).
Using HAProxy as an API Gateway, Part 1 [Introduction]
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]](https://cdn.haproxy.com/img/containers/partner_integrations/2022/api-gateway-pt1/avalanche-area-1080x540.png/2b915c11c726470bf6e314e194c3a7ed/avalanche-area-1080x540.png)
Introduction to HAProxy ACLs
Learn about using HAProxy ACLs to define custom rules for blocking malicious requests, choosing backends, redirecting to HTTPS, and using cached objects.
HAProxy & Consul With DNS for Service Discovery
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 on AWS: Best Practices Part 1
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).
Dynamic Scaling for Microservices With the HAProxy Runtime API
Microservices architectures require the ability to make frequent app delivery changes in an automated and reliable way. The HAProxy Runtime API enables this.
Using HAProxy With the Proxy Protocol to Better Secure Your Database
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...
ALOHA Pocket is Coming…
This is the ALOHA Pocket. Probably the smallest load balancer you have ever seen from any vendor.
What is a Slow POST Attack & How to Prevent One? (Guide)
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.
Serving ECC & RSA Certificates on Same IP With HAProxy
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.
Microsoft Remote Desktop Services (RDS) Load Balancing
Remote Desktop Services is a technology from Microsoft that allows users to remotely access a session-based desktop, virtual machine-based desktop, or...
A HTTP Monitor Which Matches Multiple Conditions in HAProxy
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.
HAProxy and SSLv3 Poodle Vulnerability
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.
Mitigating the Shellshock Vulnerability With HAProxy
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.
PHP-fpm/FastCGI Probe Example (Binary Health Check With HAProxy 1.5)
In this blog post, we demonstrate how to enable binary health checks with HAProxy 1.5 by using a PHP-fpm/FastCGI probe example.
How to Write Apache ProxyPass* Rules in HAProxy?
Some customers ask us to migrate the Apache mod_proxy configuration into HAProxy. This article explains how to translate ProxyPass-related rules.
Linux Asymmetric Routing Using Multiple Default Gateways
In this blog post, we will demonstrate how to perform asymmetric routing and multiple default gateways on Linux with HAProxy.
How to Protect Application Cookies While Offloading SSL
You don’t want your clients to send their cookies (understand their identity) clearly through the Internet. This is today’s article's purpose.
Emulating Active/Passive Application Clustering With HAProxy
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.
HAProxy Advanced Redis Health Check
In this blog post, we demonstrate how to build a simple Redis infrastructure thanks to the HAProxy advanced send/expect health checks feature.
Failover & Worst Case Management With HAProxy
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.
Transparent Proxying & Binding With HAProxy & ALOHA Load Balancer
Here comes the transparent proxy mode: HAProxy can be configured to spoof the client IP address when establishing the TCP connection to the server.
Brute Force Attacks in WordPress (HAProxy Prevention Guide)
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...
Client IP Persistence or Source IP Hash Load Balancing
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.
IIS 6.0 Appsession Cookie and PCI Compliance
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.
Mitigating the SSL Beast Attack Using the ALOHA Load Balancer
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.
Microsoft Exchange 2013 Load Balancing With HAProxy
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.
HAProxy, High MySQL Request Rate and TCP Source Port Exhaustion
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.
Exchange Outlook Web Access (OWA) Cross-Site Request Forgery (CSRF) Protection
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.
Websockets Load Balancing With HAProxy
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...
High Performance WAF Platform With Naxsi and HAProxy
In this blog post, we will demonstrate how to create a highly performant WAF platform using Naxsi and the HAProxy load balancer.
Scalable WAF Protection With HAProxy & Apache With ModSecurity
The below information is deprecated as HAProxy Enterprise now offers a fully functional native WAF module which supports whitelist-based rulesets, and more.
eCommerce Application Delivery Controller (Configuration Guide)
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.
How to Get SSL With HAProxy Getting Rid of Stunnel, Stud, NGINX or Pound
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 Use HAProxy & Varnish Together on a Single Domain Name
In this blog post, we'll explain how to use both HAProxy and Varnish on a web application hosted on a single domain name.
Protect Your Web Server Against Slowloris Attack
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...