The latest insights from the load balancing experts | Loadbalancer.org

How-To's

Let’s get technical. Here you’ll find solutions from our experts here at Loadbalancer.org - get in touch if you need more help.
Amazon AWS
AWS Reservations, Savings Plans, and Spot Instances Aaron West
I often hear that AWS seems expensive, in most cases, this is because people are not fully aware of the best cost-saving practices. Amazon offers many tools to help keep costs down and is always working to improve on these. One such recent improvement is the new "AWS Savings Plans".

7 min read

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How-To's
Security through geography: blocking traffic by country, continent, or IP address using ModSecurity Andrew Howe
Malicious-looking web traffic from the other side of the globe is hitting your site. One solution is to block traffic originating in the offending country, assuming you don’t have customers there. With our WAF it’s possible to block inbound traffic by location adding an extra layer of security...

6 min read

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How-To's
How-To's
Smart, secure encryption with SNI Neil Stone
As the Internet continues to grow, so do the potential dangers of communicating important information. Gone are the ‘good old days’ where there was an implicit level of trust between users, and as a result, there has been a significant uptake in the requirement to secure data transmission online...

4 min read

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Print
Print
Microsoft Windows print spooler and any other Windows service health check Imannuel Graham
Over the past year I've written a few blogs about load balancing print servers and print managed solutions. If you haven’t already deployed print servers in HA, please don't fret. It is a relatively

4 min read

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Amazon AWS
Amazon AWS
Choosing the best load balancer for AWS Neil Hosking
You’re moving over to Amazon Web Services (AWS), where you know you’ll find a broad set of global cloud-based services. These services help organizations like yours to move faster, lower IT costs, and

3 min read

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How-To's
How-To's
How do I secure my load balancer with Active Directory, LDAP or RADIUS? Neil Hosking
I’ve noticed a lot more of our customers are asking to use their Active Directory login details with the load balancer appliance. And it can get a bit fiddly, so I wanted to write

4 min read

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Microsoft Exchange
Microsoft Exchange
Load Balancing Exchange 2016 Neil Hosking
Exchange 2016 is Microsoft's latest enterprise level messaging and collaboration server. It has been designed for simplicity of scale, hardware utilization, and failure isolation. This has greatly simplified both the deployment process and the implementation

4 min read

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Print
Print
Can I load balance print servers that use PaperCut? Imannuel Graham
Here at Loadbalancer.org we’re committed to keeping enterprise print environments flowing. We work closely with all of the major print management software vendors, and because of these close relationships, we have a deep

4 min read

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HAProxy
HAProxy
How to write an external health check script for HAProxy Andrew Smalley
There's a saying you've probably heard: "Give a man a fish, and you feed him for a day. Teach a man to fish, and you feed him for a lifetime." Health checks are

4 min read

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Print
Print
Printing without pain: How to scale print environments and avoid downtime Imannuel Graham
Print environments often bring together multiple technologies and applications, which can present challenges. There’s the issue of planned downtime: end-users may need to make manual changes to their network when print services fail, taking servers out of production for maintenance or updates...

8 min read

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High Availability
High Availability
Can you load balance multiple applications at the same time? Oliver Warren
We seem to get this question quite frequently. So instead of giving the answer to everyone whenever we're asked, we thought it'd be best to write a blog about it. The short answer is yes.

4 min read

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How-To's
How-To's
How to train your Web Application Firewall (WAF) Aaron West
One customer recently joked that, "Taming a dragon would be easier than configuring a WAF!". So we've developed some tools to make the whole process easier.

11 min read

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How-To's
How-To's
Monitoring Loadbalancer.org appliances using OmniCenter from Netreo Oliver Warren
Recently at Loadbalancer.org, we have been looking at monitoring software to pair with our load balancer appliance. We came across a company called Netreo who make the OmniCenter product. This is going to be

3 min read

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How-To's
How-To's
Load balancing your load balancers for endless scalability Aaron West
As the title suggests, I'm going to take a look at the concept of load balancing a cluster of inexpensive load balancers to scale out SSL capabilities (or even Layer 7 operations), rather than the

3 min read

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SSL
How to add Cloudflare in front of HAProxy Thorsten Wetzig
What is Cloudflare? Cloudflare provides a content delivery network (CDN). A CDN is a worldwide network of servers that delivers web content to clients based on the geographic location of the client. Using the Cloudflare

12 min read

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High Availability
Highly Available NFS based Kerberos KDC aka. Ganesha + GlusterFS + HAProxy. Tom Kacperski
Load balancing NFS is a real pain — especially when it comes to the locked mounts issue. In this blog I'll explain how to create a highly available NFS server for Kerberos.

8 min read

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How-To's
How-To's
How do you combine AWS Auto Scaling with a proper load balancer? Imannuel Graham
Ben already wrote an awesome blog about one-click integration with autoscaling. But as one of our eagle-eyed customers politely pointed out - it doesn't actually explain how to configure AWS Auto Scaling in the first

8 min read

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Nutanix
Nutanix
Enterprise load balancer for Nutanix by Loadbalancer.org Aaron West
Update as of July 2018 Loadbalancer.org load balancers are now certified as Nutanix Ready Nutanix seems to be the next big thing in enterprise virtualization and hyperconvergence, while they've actually been in the market

4 min read

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How-To's
Yahoo’s L3 Direct Server Return (DSR), an alternative to LVS-TUN, explored. Aaron West
I had the opportunity to play with Yahoo’s implementation of L3 DSR using LVS and iptables, it was great fun so I thought I had better write a blog on using it. So, what

6 min read

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Reviews and Comparisons
JetNEXUS (EdgeNEXUS) review and Kemp comparison Malcolm Turnbull
You can check directly what customers having been telling Gartner about Loadbalancer.org, JetNexus, Barracuda Networks and Kemp Technologies on the new PeerInsights platform.

8 min read

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How-To's
How-To's
Layer 4 Direct Routing (LVS-DR) and Layer 4 TUN (LVS-TUN) in AWS Aaron West
Have you ever wondered if LVS works in AWS? I can already say for certain that LVS-NAT works great - but what about LVS-DR and LVS-TUN? Having spent the last several months playing in AWS,

6 min read

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How-To's
How do I automate load balancer deployments? (API / CLI / JSON / SOAP / PowerShell) Andrew Smalley
Version 9 is being built from the ground up to be API driven, so all functionality and features available in the Web User Interface (WUI) will be catered for. While V9 is certainly on the horizon, it's still a little way off and so there is the question "What can we do while still using V8?".

8 min read

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Security
Security
Security through obscurity - double login protection made easy... Malcolm Turnbull
Security through obscurity is not a great idea when it is your ONLY protection technique. For example moving your SSH port from 22 -> 23 won't fool any hackers for long! However, I've always liked putting a 'double login' in front of important web sites to frustrate simple automated hacking tools.

3 min read

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High Availability
Hosting across multiple locations or data centres? What are my options? I'm really confused... Aaron West
We are going to discuss the options available to us when hosting applications across multiple sites or even data centres.

8 min read

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How-To's
How-To's
How to load balance Microsoft FTP Server with HAProxy Andrei Grigoras
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.

6 min read

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HAProxy
HAProxy
Client Certificate Authentication with HAProxy Aaron West
Using client certificates for security is a pretty cool idea! You can protect an entire application or even just a specific Uniform Resource Identifier (URI) to only those that provide a valid client certificate.

9 min read

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How-To's
How to configure a DICOM ECHO health check for medical imaging systems. Andrew Smalley
You know that a single point of failure in a hospital is not an option. That's why you use a load balancer for high-availability. We thought it was important to have a specific health check

5 min read

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