HAProxy
The best open source load balancer, without a doubt
HAProxy
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...
How-tos
A comprehensive guide to log monitoring with ModSecurity and HAProxy
With numerous options available, choosing and configuring the right tool can be daunting...
HAProxy
How to limit connections with HAProxy, iptables or nftables
Recently I was asked to develop a method to rate limit connections passing through our load balancer to just one!
Why?
One of our customers had a critical piece of proprietary software in their ar..
Open source
See who's really visiting your website: Achieving IP transparency with the Proxy Protocol
There are a few different ways to achieve IP transparency, but one of the most effective is with the help of the great Proxy Protocol...
HAProxy
HAProxy reverse proxy: the what, when, and how
Perplexed by proxy?! Ruffled by reverse proxy?! We’ve all been there. Honestly, sometimes I think the language we use makes things sound way more complicated than they actually are...
Security
Why you don't need to worry about the novel HTTP/2 ‘Rapid Reset’ DDoS attack (CVE-2023-44487)
We've had a few concerned customers asking about the Google disclosure of the recent huge DDoS attack, and the potential underlying vulnerability in some HTTP/2 servers...
How-tos
How to master SSL termination in HAProxy: considerations and configurations
SSL/TLS termination is the most regularly implemented kind of SSL/TLS offload...
Automation
Using Grafana with your Loadbalancer.org appliance
How many times have you looked at the HAProxy report and thought, what on earth is this all about?! What are the busiest times on my Loadbalancer? Which Real Server is busy? How much traffic is going through my VIPs?..
Comparisons
How Loadbalancer.org helped this customer migrate seamlessly from Snapt Nova
Working with this Snapt customer to support them with the urgent migration of all their critical applications...
How-tos
Using Prometheus with your Loadbalancer.org appliance
With our recent release, you can now use the new Prometheus exporter to export the HAProxy metrics into an existing Prometheus environment...
HAProxy
Oh SNAPT! Where's my load balancer?
I was genuinely shocked and a little sad hearing the news that SNAPT has gone bust. They were a great company, with a nice product and more importantly — nice people...
Comparisons
Tailoring — The modern way to make your product indestructible
Growing customer demands are forcing technology providers to reconsider their approach to high availability and scalability...
HAProxy
How to rate limit with HAProxy Stick Tables and the WAF
A while ago I was asked if it would be possible to apply some general rate limiting in HAProxy and the WAF, in order to help prevent DOS-style attacks on a customer's servers...
Open source
Navigating the open source journey: When free is awesome, and why commercial solutions have their place
At Loadbalancer.org, our heroes are open source. And for good reason. Open source software plays an intrinsic part in our company, products, and services...
HAProxy
HAProxy ACL rules don't have to be painful
We love complex rules. Although, we have seen some pretty scary config files...
How-tos
I wonder…Can HAProxy Proxy Protocol fix my Secure Web Gateway routing problem?
All Secure Web Gateways require client IP transparency in order to implement any proper kind of security and authentication. Which can be a real pain if you have a load balancer in the middle...
HAProxy
A+ Qualys with HAProxy — The Secret Sauce
So you're probably here because you want to know how to achieve an A+ rating for your SSL web server on Qualys. A quick fun fact: did you know the A+ and A rating are in fact the same?..
Microsoft
How to load balance Microsoft Dynamics using HAProxy
Microsoft Dynamics is a critical ERP and CRM tool, used every day by businesses all over the world. The application therefore needs to be highly available and scalable...
HAProxy
Thinking about moving from HAProxy to a proprietary load balancer?
Here our Loadbalancer.org Founder, Malcolm Turnbull, offers advice to anyone thinking of moving from HAProxy to a proprietary load balancer...
How-tos
How to install and configure HAProxy Layer 7 on Red Hat Linux
Control how HAProxy will be started, stopped, restarted, reloaded, or monitored...
HAProxy
Loadbalancer.org releases Open Source SNMP MIB and Agent for HAProxy
We’re always keen to give back to the community that writes such great software – our new SNMP agents and MIBs for HAProxy make monitoring your Virtual Services and Real Servers a breeze...
Performance
Layer 4 vs Layer 7 load balancing - we still love DSR, but…
Direct server return, direct routing - no matter what you call it, using DSR maximises the throughput of return traffic and allows for near endless scalability. Here's why we still love it...
Security
Update on HAproxy HTTP/2 HPACK Decoder Vulnerability (2 April 2020)
A critical vulnerability in HAProxy’s HTTP/2 HPACK decoder in versions 1.8 and above has been discovered. This does not impact the majority of Loadbalancer.org customers...
HAProxy
How to write an external health check script for HAProxy
Loadbalancer.org were the original sponsors of the external health check mechanism in HAProxy. We think it's an invaluable tool when you need something a bit special...