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How can I load balance UDP with open source HAProxy?
UDP is a connectionless protocol, meaning it doesn't establish a formal connection or 'handshake' before sending data...
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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.
Mark Brookes
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...
Open source
HAProxy
How-tos
Ben Cabot
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
Malcolm Turnbull
HAProxy load balancer feedback agent — We've Open Sourced both our Windows and Linux versions for you!
In general when you are load balancing a cluster you can evenly spread the connections through the cluster. However, with some applications, you might get very high load from just a few users doing heavy work, which can compromise performance...
HAProxy
Microsoft
How-tos
Malcolm Turnbull
Look, why can't you just tell me how many people are connected to the load balancer?
I must confess, at certain times it has looked like open warfare would break out between the support team and development team at Loadbalancer.org over the last few months...
Performance
How-tos
Aaron West
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
Scott McKeown
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
Aaron West
Load Balancing Exchange 2010 CAS Array with HAProxy (Quick Guide)
This Blog is for anyone wanting to load balance the Exchange 2010 CAS role using only open source software...
Application Management
HAProxy
Microsoft
Mark Brookes
Simple bare metal restore of your load balancer with a USB stick
Does it seem like some appliance vendors go out of their way to make hardware recovery and licencing as difficult as possible?..
High Availability
How-tos
Scott McKeown
Secure Your Web Servers: SSL Termination and BEAST
The BEAST attack is a practical attack based on a protocol vulnerability and mainly affects the client side...
Security
How-tos
SSL/TLS
Rob Cooper
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
Mark Brookes
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
Rob Cooper
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