Loadbalancer
  • Solutions
  • Products
  • Pricing
  • Resources
  • Company
  • Contact us
Portal login
Talk to us Get started

Enhanced security

Security that never sleeps

Peak performance

Performance that scales with you

Zero downtime

Because that’s what matters

Multi-site resilience

True high-availability and failover, made easy

Industry solutions

Expertise in healthcare, object storage, and mission critical industries

Application solutions

Every application, documented with care

Partner solutions

Professional services

The ADC Portal

Any load balancer, anywhere, one simple platform

The Enterprise ADC

Smart, flexible, unbreakable — and trusted

Flexible licensing

No hidden costs,  no end of life — just great value

Get a quote

Get technical support

Reviews

based on 1,500+ reviews

Customer stories

Blog

Events

Not your average Load balancer company

Learn why we are different

Help! Our legacy modalities are awesome — but they don't understand DNS!

Connecting remote sites to central data centers necessitates GSLB. But implementation for legacy modalities isn't straightforward.
  • Solutions
  • ADC Enterprise
  • ADC Portal
  • Pricing
  • Company
  • Resources
  • Blog
  • Contact us
Collection of 49 posts

Open source

The open source community is second to none

Back to all posts
How to configure HAProxy's Proxy Protocol with Squid
Latest

How to configure HAProxy's Proxy Protocol with Squid

A customer asked me the other day how to set up Squid Proxy Protocol on their Loadbalancer appliance.

Recent blogs

All posts
  • Healthcare
  • Storage
  • Print
  • Security
  • Microsoft
More Categories
    • F5 / Citrix / Kemp
    • HAProxy
    • Direct Server Return
    • Global Server Load Balancing
    • Web Application Firewall
    • AWS / Azure / GCP
    • Comparisons
    • Load Balancing How-tos
New year, new vulnerability: HAProxy critical security update
HAProxy

New year, new vulnerability: HAProxy critical security update

An incorrect frame length check could result in a read-past-bound which can cause a crash...
Annu Sroa
• 4 mins
multiple threads through a needle
Open source

Does the new multi-threaded support in HAProxy finally solve the 10G problem?

It’s no big secret that a single processor can only handle so much processing in a given time. So what happens when you reach the limits of what a single processor can handle? Simple, you add more processors...
Neil Stone
• 7 mins
content delivery network based on location of the client
AWS / Azure / GCP

How to add Cloudflare in front of HAProxy

Cloudflare provides a content delivery network (CDN). A CDN is a worldwide network of servers that delivers web content to clients based on the geographic location of the client...
Thorsten Wetzig
• 13 mins
Highly Available NFS based Kerberos KDC aka.  Ganesha + GlusterFS + HAProxy.
Open source

Highly Available NFS based Kerberos KDC aka. Ganesha + GlusterFS + HAProxy.

Load balancing NFS is a real pain — especially when it comes to the locked mounts issue. In this blog I'll explain how to create a highly available NFS server for Kerberos...
Tom Kacperski
• 8 mins
Breaking HAProxy with the help of a Spirent Avalanche and lots of very small packets...
HAProxy

Breaking HAProxy with the help of a Spirent Avalanche and lots of very small packets...

HAProxy is awesome. So awesome in fact, that here at Loadbalancer.org HQ - I find it very difficult to generate enough load to break it...so let's try harder!..
Mark Brookes
• 6 mins
protecting your application with client certificate authentication
How-tos

Client Certificate Authentication with HAProxy: How to configure

Using client certificates for security is a pretty cool idea! You can protect an entire application or even just a specific Uniform Resource Identifier (URI) to only those that provide a valid client certificate...
Aaron West
• 9 mins
How to stop web form spam —  use a simple honey pot trap in ModSecurity...
Security

How to stop web form spam — use a simple honey pot trap in ModSecurity...

How frustrating do you find it when hackers or robots fill in your website forms with "Buy Viagra Now!" type spam?..
Aaron West
• 4 mins
GSLB —  Why Global Server Load Balancers don’t always suck? (Polaris-GSLB) Part 2
GSLB

GSLB — Why Global Server Load Balancers don’t always suck? (Polaris-GSLB) Part 2

In part one we were introduced to Polaris-GSLB which is a cool little open source GSLB solution. In part two of this Blog I’m going to show you how to build Polaris-GSLB on CentOS 7...
Aaron West
• 3 mins
GSLB – Why Global Server Load Balancers don't always suck? (Polaris-GSLB)
GSLB

GSLB – Why Global Server Load Balancers don't always suck? (Polaris-GSLB)

Here at Loadbalancer.org we’re not known for being huge fans of GSLB solutions as some of our customers may already know...
Aaron West
• 4 mins
Blocking Japan with ModSecurity and Maxmind Lite
Security

Blocking Japan with ModSecurity and Maxmind Lite

The Web Application Firewall is based on ModSecurity which is an open source WAF for Apache, IIS, and Nginx for protecting against a many variety of attacks and allows for HTTP traffic monitoring and logging...
Theo Garvey
• 2 mins
Transparent HAProxy in Azure using TProxy
Open source

Transparent HAProxy in Azure using TProxy

HAProxy is an excellent choice if you need layer 7 functionality, but its a full reverse-proxy, so the application thinks that all of the traffic is coming from HAProxys IP - rather than the clients...
Ben Cabot
• 3 mins
How to stop TPROXY when used with HAProxy breaking clients in the real server subnet
Open source

How to stop TPROXY when used with HAProxy breaking clients in the real server subnet

Once HAProxy is running transparently, it will allow the real server to see the client IP so the real server will reply directly back to the client bypassing the load balancer...
Aaron West
• 3 mins
Blocking invalid range headers using ModSecurity and/or HAProxy (MS15-034 - CVE-2015-1635)
Security

Blocking invalid range headers using ModSecurity and/or HAProxy (MS15-034 - CVE-2015-1635)

Anomaly score based blocking is more flexible and effective than simple first error blocking...
Malcolm Turnbull
• 4 mins
Transparent Load balancing with HAProxy on Amazon EC2
Open source

Transparent Load balancing with HAProxy on Amazon EC2

One of our favorite methods of load balancing is using Layer 4 DR because it is transparent and fast. Unfortunately, because of Amazon's infrastructure, this is not possible in EC2 so we need to use another method which means we are left with layer 4 NAT and transparent HAproxy using TProxy...
Ben Cabot
• 3 mins
Simple Denial of Service DOS attack mitigation using HAProxy
Security

Simple Denial of Service DOS attack mitigation using HAProxy

Denial of Service (DOS) attacks can be used to degrade or cripple the functionality of a site...
Malcolm Turnbull
• 5 mins
Stunnel X-Forward-For (XFF) with HAProxy and the PROXY Protocol
Open source

Stunnel X-Forward-For (XFF) with HAProxy and the PROXY Protocol

By default, the source IP address of the packet reaching the web servers is the IP address of the load balancer and not the IP address of the client...
Rob Cooper
• 3 mins
systematic SSL testing
Open source

SSL offload testing with HAProxy and Stunnel

There are a lot of SSL offload throughput statistics available for appliances across the internet but rarely do they detail the way they were tested...
Mark Brookes
• 4 mins
3 ways to send HAProxy health check email alerts: Configuration how-to
HAProxy

3 ways to send HAProxy health check email alerts: Configuration how-to

The ideal way to monitor the health of the real servers is to to have a dedicated monitoring system in place such as Nagios. However this isn’t always an option, so for some they require the loadbalancer to send an alert...
Ben Cabot
• 4 mins
HAProxy email alerts guide
HAProxy

HAProxy email alerts guide

As of haproxy-1.6-dev1 it is now possible to send email alerts directly from HAProxy thanks to the excellent work done for us by Simon Horman...
Aaron West
• 2 mins
Setting up HAProxy with Transparent Mode on Centos 6.x
HAProxy

Setting up HAProxy with Transparent Mode on Centos 6.x

Transparent mode with HAProxy allows you to see the IP Address of the clients computer while still having a high availability service using HAProxy...
Scott McKeown
• 4 mins
Load Balancer performance: Benchmarking HAProxy on EC2 (Quick and Dirty Style)
HAProxy

Load Balancer performance: Benchmarking HAProxy on EC2 (Quick and Dirty Style)

I get quite frustrated with benchmarks because they are very hard to perform properly, and even when you do them properly its very hard to get any useful data from them...
Malcolm Turnbull
• 2 mins
Load balancing Windows Terminal Server —  HAProxy and RDP Cookies or Microsoft Connection Broker
Open source

Load balancing Windows Terminal Server — HAProxy and RDP Cookies or Microsoft Connection Broker

When you have users depending on Windows Terminal Services for their main desktop, it's a good idea to have more than one Terminal Server. RDP, however, is not an easy protocol to load balance...
Andrew Zak
• 7 mins
Transparent proxy of SSL traffic using Pound to HAProxy backend patch and how-to
HAProxy

Transparent proxy of SSL traffic using Pound to HAProxy backend patch and how-to

I've previously blogged about how to get TPROXY and HAProxy working nicely together, but what if you want to terminate SSL traffic on the load balancer to use HAProxy to insert cookies in the standard HTTP stream to the backend servers?..
Malcolm Turnbull
• 4 mins
backend servers with full transparent proxy configured
HAProxy

Configure HAProxy with TPROXY kernel for full transparent proxy

If you use HAProxy as the load balancer then all of the backend servers see the traffic coming from the IP address of the load balancer...
Malcolm Turnbull
• 6 mins

Get Started Today, for Free

Try us out—no strings, no stress, just seriously good load balancing and top-notch support. Let's make your apps unstoppable!

Try for free Book a meeting
  • Load balancer
    • Zero Downtime
    • Enhanced Security
    • Peak Performance
    • Industry Solutions
    • ADC Comparison
    • Citrix NetScaler Migration
  • Product
    • Enterprise ADC
    • ADC Portal
    • Pricing
    • ADC Free Trial
    • Portal Free Trial
  • Features
    • Layer 4 & Layer 7
    • WAF
    • GSLB
    • Reverse Proxy
    • Feedback Agent
  • Company
    • It’s About You
    • Solutions
    • Load Balancer
    • HPE Partnership
  • Resources
    • Applications
    • Blog
    • Case Studies
    • Documentation
    • Quick Start
  • Support
    • Open Support Ticket
    • Security News
    • Reviews

Connect

Contact

  • Tel: +1 833 274 2566
  • Email: [email protected]

2025 Loadbalancer.org, Inc.

  • Contact
  • Privacy
  • Terms
  • Legal
Navigate
Close