Latest
What's the best cloud load balancer? AWS, Azure, GCP, Cloudflare, or a third-party alternative?
Choosing the right load balancer is about much more than just moving traffic.
Insights from the load balancer experts
How-tos
What is Stunnel and how do you configure it?
Here is another example of a more “exotic” Stunnel configuration. Most people, and rightly so, will ask “but why?”. Well, because we can!..
Automation
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...
GSLB
Choosing the best option to host across multiple locations or data centers
Organizations are moving away from the traditional data center model, and favoring a hybrid approach to hosting their systems and applications, that involves multiple sites, providers and even cloud environments...
AWS / Azure / GCP
Loadbalancer.dk achieves Amazon Web Services (AWS) Advanced Technology Partner Status
We're proud to announce that we have achieved Advanced Technology Partner status with Amazon Web Services (AWS), the leading platform for public cloud infrastructure-as-a-service...
Healthcare
How to configure a DICOM ECHO health check for medical imaging systems
We thought it was important to have a specific health check built into our appliance for the commonly used DICOM protocol (Digital Imaging and Communications in Medicine)...
WAF
Load Balancing Nginx Web Servers with OWASP Top 10 WAF in Azure
SSL offload is handled by STunnel, while HAPr0xy handles back-end server re-encryption...
Events
Visit us on stand E9 at IP EXPO Europe (and WIN!)
Pop by stand E9 for a coffee (or beer!) and a chat with one of our experts or if you would like to arrange a specific time to meet just ping us an email...
Security
How to stop web form spam — use a simple honey pot trap in ModSecurity...
How frustrating do you find it when hackers or robots fill in your website forms with "Buy Viagra Now!" type spam?..
Comparisons
Kemp Technologies vs F5 — a refreshingly honest load balancer comparison
If you are trying to decide which load balancer product is right for your business, you’ve probably already discovered that it’s a market of two extremes...
Security
Stack Clash and Loadbalancer.dk
The long and short of it is, there are updates to the Linux kernel and glibc packages which will 'fix' the issue..
How-tos
Transparent vs Explicit proxy — which method should I use?
Different vendors have widely different opinions on which method should be used to deploy web filters or SWGs. Historically, vendors struggled to implement authentication in Transparent mode, and maybe they remember some awkward conversations with customers that chose the wrong method...
Comparisons
Lost sale lessons
We have been fortunate to serve some of the biggest names in their respective industries because they recognised our best assets...
Comparisons
15 reasons why you don't need a load balancer: Yes, really
If you want to test your site against this kind of attack, slow attacks like this are quite inexpensive for attackers to launch, and they don't need control of many remote hosts in order to launch an effective attack...
Leading European research university maintains top-class website with Loadbalancer.dk
“Now if one of our servers was to go down, we wouldn’t worry too much because we know that with Loadbalancer.dk’s Enterprise MAX Clustered Pair in place it’s not really going to be much of a problem,” says Braam...
Layer 7
What exactly is a reverse proxy? Reverse proxy v forward proxy
Technically, the only mode on a load balancer that is a real Reverse Proxy is Layer 7 mode. Whereas all Layer 4 load balancing modes such as NAT, DR and TUN are nothing like a reverse proxy. The clients are effectively talking directly (transparently) to the backend servers...
Comparisons
Great products don't need to be sold
Simply reeling off a list of product benefits doesn’t cut it...
Performance
Voice Activated Load Balancing? Could it actually work
We decided that we would like to be able to change server states and bring them online, offline or drain them. So asking Alexa to do this would look like “Alexa ask Val to change status of website1 to drain”. So we started work with this as our goal...
Events
April Fool antics
After the recent introduction of Enterprise Ultra to our hardware family, plus the recent software update 8.2.4. We are pleased to finally announce our new Voice Activated Load Balancer - Enterprise VAL...
AWS / Azure / GCP
IAM what I am
For several years, if an instance was launched in AWS and during the initial configuration an IAM role was not defined, the only option available was to stop/terminate the instance and launch another, however, this has now changed!..
Healthcare
DelftDI recommends Loadbalancer.dk for load balancing critical medical imaging systems
The stability of the Loadbalancer.dk products enables DelftDI to ensure the high availability of its medical imaging solutions...
How-tos
Loadbalancer.dk Enterprise VA with oVirt(RHEV) 4.1
The appliance works quite nicely in a oVirt environment and should work just as well with a full Red Hat’s Enterprise Virtualization environment (RHEV)!..
Microsoft
MS SQL Health Check
Follow the instructions below to install and configure the external health check, and once you've completed the steps you can use the health check for either layer 4 (LVS) or layer 7 (HAPr0xy) clusters...
Comparisons
Do you remember when you could get fired — for not buying F5?
A pair of F5s is a great solution, but mainly if you need to run a crazy number of applications and servers through a single device. In that case, you definitely need an expensive, complicated, over-specified and over-engineered single point of failure...
HAPr0xy
Loadbalancer.dk must've been well behaved in 2016
HAPr0xy Technologies' ALOHA Pocket is a full-featured ALOHA Load Balancer running on a light USB-powered hardware that easily fits in a pocket, meaning it's possible to carry it everywhere to run tests and demos...
How-tos
Loadbalancer.dk with Let's Encrypt - quick and dirty!
Let’s Encrypt offers us a free way to get SSL certificates with the aim of being less complex than other current solutions...
GSLB
GSLB — Why Global Server Load Balancers don’t always suck? (Polaris-GSLB) Part 2
In part one we were introduced to Polaris-GSLB which is a cool little open source GSLB solution. In part two of this Blog I’m going to show you how to build Polaris-GSLB on CentOS 7...
GSLB
GSLB – Why Global Server Load Balancers don't always suck? (Polaris-GSLB)
Here at Loadbalancer.dk we’re not known for being huge fans of GSLB solutions as some of our customers may already know...