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A simple Citrix SSO replacement; with Okta, Apache and OpenID Connect

This setup allows you to leverage the power of a centralized identity management system to secure your web apps, while maintaining the flexibility and performance you expect.
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Collection of 128 posts

How-tos

Wizardry from our load balancer experts

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How to raise a support ticket like a pro: A guide for faster resolution
Latest

How to raise a support ticket like a pro: A guide for faster resolution

Imagine explaining the issue to a friend. Be specific. Instead of "The system isn't working," tell us what you're trying to do and what happens instead.

Recent blogs

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    • Load Balancing How-tos
Using Postman with the Loadbalancer.org API
How-tos

Using Postman with the Loadbalancer.org API

Before we can connect to the loadbalancer appliance using SSH, we first need to allow this action through the Appliance Security Options via Local Configuration and then, Security...
Jeff Gosden
• 4 mins
Handling large requests with a Web Application Firewall (WAF) while avoiding Denial of Service (DoS) attacks
WAF

Handling large requests with a Web Application Firewall (WAF) while avoiding Denial of Service (DoS) attacks

Sometimes, we need to pass unusually large HTTP requests through our WAF stack...
Andrew Howe
• 7 mins
How to rate limit with HAProxy Stick Tables and the WAF
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...
Daniel Tighe
• 6 mins
How to set up email notifications on your Loadbalancer.org appliance
High Availability

How to set up email notifications on your Loadbalancer.org appliance

Email notifications are a great way of alerting you to any changes or issues within your load balancer or high availability cluster...
Seamus Toth
• 6 mins
When is it right to SSL offload?
How-tos

When is it right to SSL offload?

It's a fair question, right? Let's take away the strain of SSL terminations from our application servers and let the load balancers deal with it. After all, why would we want to bog down our nifty application with network-level considerations?..
Scott Weedon
• 4 mins
How many network ports do you need on a hardware load balancer?
Comparisons

How many network ports do you need on a hardware load balancer?

The only real reason for separate network ports is physical redundancy. Because the other primary reason (security segregation) can be easily implemented using VLANs...
Aaron West
• 6 mins
Ever wondered how you can avoid the pain of F5 iRules?
How-tos

Ever wondered how you can avoid the pain of F5 iRules?

Many things in tech are over-complicated for no reason, and iRules are a prime example of that...
Oliver Warren
• 4 mins
HAProxy ACL rules don't have to be painful with Loadbalancer
HAProxy

HAProxy ACL rules don't have to be painful with Loadbalancer

We love complex rules. Although, we have seen some pretty scary config files...
Oliver Warren
• 5 mins
Simplifying web application security with the Core Rule Set v3
How-tos

Simplifying web application security with the Core Rule Set v3

A WAF isn't a magic bullet, but, as part of a defense in depth strategy, a properly configured WAF should catch and stop common, everyday attacks...
Andrew Howe
• 7 mins
I wonder…Can HAProxy Proxy Protocol fix my Secure Web Gateway routing problem?
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...
Neil Stone
• 4 mins
How to extend Net-SNMP for infrastructure monitoring
How-tos

How to extend Net-SNMP for infrastructure monitoring

Monitoring your infrastructure is a crucial task, and (regardless of the software you've chosen) requires you to make use of the Simple Network Management Protocol (SNMP)...
Damian Pacuszka
• 4 mins
Solving the Layer 4 ARP problem on Linux with Ansible
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...
Seamus Toth
• 5 mins
A+ Qualys with HAProxy — The Secret Sauce
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?..
Oliver Warren
• 4 mins
How to migrate your Loadbalancer.org appliance from hardware to virtual
How-tos

How to migrate your Loadbalancer.org appliance from hardware to virtual

If you want the configurations to differ slightly from the hardware to virtual appliance, such as changing IP's, speak to our support team so they can best advise...
Oliver Warren
• 2 mins
Load balancing Leostream Connection Broker and Leostream Gateway for high availability
How-tos

Load balancing Leostream Connection Broker and Leostream Gateway for high availability

At its core, Leostream provides a connection broker and remote access gateway which provide you with the tools to build a completely customisable VDI solution to your specific business needs...
Daniel Tighe
• 5 mins
Automation of the initial setup of your Loadbalancer.org appliance (VMware Edition)
Automation

Automation of the initial setup of your Loadbalancer.org appliance (VMware Edition)

Although our appliances are absolutely awesome and fun to use, going through the same process many times may become slightly tedious!..
Damian Pacuszka
• 5 mins
Extending ModSecurity: How to add completely custom WAF functionality
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...
Andrew Howe
• 12 mins
How to create a load balancer SSL/TLS certificates report
Integration

How to create a load balancer SSL/TLS certificates report

I should really say that not every request of this type can be turned around on the same day - but we do try!..
Andrew Smalley
• 6 mins
How to load balance Microsoft Dynamics using HAProxy
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...
Andrei Grigoras
• 3 mins
woman at her computer working out how to achieve client source IP transparency
How-tos

How to achieve client source IP transparency with your load balancer

Working with our pre-sales customers, there is a misconception that you always need source IP transparency - which is not always the case...
Oliver Warren
• 5 mins
HELP! I’ve Deleted My SSH Keys!
How-tos

HELP! I’ve Deleted My SSH Keys!

We all have the ability to absent-mindedly break installations with a single click. Here I will show you how not only to break your SSH keys, but also how to restore them in the event you end up doing the same thing as me!..
Daniel Tighe
• 4 mins
How and when to update your load balancer
How-tos

How and when to update your load balancer

A quick guide from our Solutions Engineer, Oliver Warren, outlining when, why and how to update your hardware, virtual and cloud Loadbalancer.org appliances...
Oliver Warren
• 6 mins
Load balancing Exchange 2019
Application Management

Load balancing Exchange 2019

Microsoft Exchange 2019 upholds the legacy of Exchange 2016, 2013 (and numerous earlier versions) by continuing to be the ubiquitous mail server and calendaring service of choice for small, medium and enterprise-level organizations the world over...
Neil Hosking
• 2 mins
How to install and configure HAProxy Layer 7 on Red Hat Linux
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...
Andrei Grigoras
• 3 mins

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