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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!

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...

HAProxy Open source How-tos

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...

HAProxy How-tos Open source

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...

HAProxy High Availability Open source

Load balancing Microsoft Print Server

Microsoft Print Server provides a great way to share printers throughout your organisation, but when the print server falls over, the phone quickly starts to ring...

Print Microsoft How-tos

NTLM authenticating proxy check script

This script was designed primarily to be tied into Ldirectord but feel free to adapt it to your needs, and if you do make changes dont be a stranger post your adaptations below!..

How-tos Integrations
Identifying the originating IP address

Apache and X-Forwarded-For Header: How to log XFF using Apache

There’s been a lot of debate here in the office about how best to capture both your Loadbalancer’s IP and the Source IP of the user in your access_log in Apache 2.4. This is the tried and tested method we've come up with...

Application Management How-tos High Availability
client source IP addresses and IIS logs

IIS and X-Forwarded-For Header (XFF)

Although it's not technically a standard, the X-Forwarded-For (XFF) header is incredibly useful if you have any kind of proxy in front of your web servers...

How-tos Integrations