Layer 7
Layer 7 load balancer in all its glory
Layer 7
Loadbalancer.org Enterprise: A technical guide to Layer 7 Manual Configuration
For times when you need to dive deeper and implement advanced settings that aren't directly available through the standard interface...
HAProxy
Using Grafana Loki with HAProxy for log aggregation
In today's security-conscious world, logs are crucial for gaining insight into your systems...
Application Management
Layer 7 load balancing: The complete guide to boosting application performance
Layer 7 is content-aware so able to make intelligent decisions about where to send traffic...
Storage
The MSP guide to rate limiting Hitachi Vantara object storage with HAProxy
When you're providing object storage as a shared service, rate limits help ensure that no single user or application can overwhelm the system...
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
The app I was dealing with wouldn't allow me to rate limit the total number of connections going through it...
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...
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
Compare Layer 4, 7, and Global Server Load Balancing (GSLB) techniques
The first question we always ask our customers is: "are you looking for performance, reliability, maintainability — or all three?"..
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
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...
Layer 7
HAProxy ACL rules don't have to be painful with Loadbalancer
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?..
WAF
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...
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...
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...
Performance
Why use a reverse proxy?
For businesses struggling with web congestion due to heavy usage, using a reverse proxy is the right solution...
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...
Application Management
How to load balance Microsoft FTP Server with HAProxy
Open standards are awesome, and the File Transfer Protocol FTP (inspite of its flaws) has been in constant use for an amazing 40 years! FTP can be a pain to run over firewalls and load balancers, so this blog explains how to configure Microsoft FTP and HAProxy...