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How-tos

Find step-by-step technical guides and tutorials for load balancer configuration. Learn how to master Layer 4, 7 and GSLB, automate deployments with our API/CLI, and configure advanced features like SSL termination, health checks, and HA clustering.

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Finally, a simple way to convert MaxMind GeoIP Database files to the legacy DAT format!

Solving the Layer 4 ARP problem on Linux with Ansible

The ARP problem for Layer 4 DR (Direct Routing) mode is something that needs to be solved for each of your Real Servers in the virtual service...

Automation How-tos Integrations

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?..

HAProxy How-tos Layer 7

Extending ModSecurity: How to add completely custom WAF functionality

In this example, I’m going to add a new transformation function to ModSecurity to calculate the Scrabble score of a variable. This will allow us to block HTTP requests containing query string parameters with a Scrabble score above a chosen threshold...

WAF Open source Security

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...

Microsoft Layer 7 HAProxy

HELP! I’ve Deleted My SSH Keys!

We all have the ability to absent-mindedly break installations with a single click. Here I will show you how not only to break your SSH keys, but also how to restore them in the event you end up doing the same thing as me!..

How-tos

How and when to update your load balancer

A quick guide from our Solutions Engineer, Oliver Warren, outlining when, why and how to update your hardware, virtual and cloud Loadbalancer.org appliances...

How-tos

Load balancing Exchange 2019

Microsoft Exchange 2019 upholds the legacy of Exchange 2016, 2013 (and numerous earlier versions) by continuing to be the ubiquitous mail server and calendaring service of choice for small, medium and enterprise-level organizations the world over...

Application Management How-tos Microsoft