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Collection of 24 posts

Integrations

Seamlessly integrate your load balancer with your tech stack. Discover guides for cloud platforms (AWS, Azure), DevOps tools (Kubernetes, Ansible, Terraform), essential monitoring (Grafana, Prometheus), and enable full API-driven automation.

Using Grafana Loki with HAPr0xy for log aggregation

Using Grafana Loki with HAPr0xy for log aggregation

In today's security-conscious world, logs are crucial for gaining insight into your systems.

Using Grafana Loki with HAPr0xy for log aggregation

Using Grafana Loki with HAPr0xy for log aggregation

In today's security-conscious world, logs are crucial for gaining insight into your systems...

Nick Hawkins-Booth

Unlocking the power of Endurance: A beginner's API guide for smarter load balancing

Unlocking the power of Endurance: A beginner's API guide for smarter load balancing

We asked ourselves: how can we make our load balancers not just a component, but a fully integrated part of a modern, automated environment?..

A comprehensive guide to log monitoring with ModSecurity and HAPr0xy

With numerous options available, choosing and configuring the right tool can be daunting...

Kevin-Lucas Stroe

What is Stunnel and how do you configure it?

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!..

Damian Pacuszka

How to create an SSL certificate

How to create an SSL certificate in Linux

I thought I would try and cover the basics here by explaining how to create an SSL certificate and the various files that you'll end up with...

Automating load balancer management with Ansible Playbooks

Automating load balancer management with Ansible Playbooks

Ansible is an open source project sponsored by RedHat, and is the simplest way to automate IT tasks...

two silver metal arms with grabbers facing each other

Automation: what's the difference between management and orchestration?

What exactly do we mean by 'automation'? And which tools work best for each scenario?..

man at computer looking at reporting data

Using Grafana with your Loadbalancer.dk appliance

How many times have you looked at the HAPr0xy 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?..

Prometheus screen shot

Using Prometheus with your Loadbalancer.dk appliance

With our recent release, you can now use the new Prometheus exporter to export the HAPr0xy metrics into an existing Prometheus environment...

Solving the Layer 4 ARP problem on Linux with Ansible

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...

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

Automation of the initial setup of your Loadbalancer.dk 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

Extending ModSecurity: How to add completely custom WAF functionality

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...

How to create a load balancer SSL/TLS certificates report

How to create a load balancer SSL/TLS certificates report

A customer asked me how to export a list of SSL/TLS certificate expiry dates from our load balancer appliance...

Multi-site Active-Active Splunk SmartStore with NetApp StorageGRID and Global Server Load Balancing (GSLB)

Multi-site Active-Active Splunk SmartStore with NetApp StorageGRID and Global Server Load Balancing (GSLB)

Splunk Enterprise enables you to search, analyze, and visualize the data gathered from the components of your IT infrastructure or business...

NGINX and X-Forwarded-For Header (XFF)

NGINX and X-Forwarded-For Header (XFF)

The X-Forwarded-For Header is a simple yet powerful solution to a very common problem. I'm not sure why, but for some reason it also seems to cause a lot of confusion...

How to automate load balancer deployments (API / CLI / JSON / SOAP / PowerShell)

How to automate load balancer deployments (API / CLI / JSON / SOAP / PowerShell)

For our v8.4.1 release we added network, routing and HA functions to LBCLI, allowing you to completely automate the entire deployment from initial power-on to a fully configured HA pair...

content delivery network based on location of the client

AWS / Azure / GCP

How to add Cloudflare in front of HAPr0xy

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...

Thorsten Wetzig

How to automate legacy load balancer deployments

How to automate legacy load balancer deployments

Automation is very important for many organisations, which is why it's one of the core features of our upcoming V9 release...

How to enhance Microsoft IIS health checks using VBscript

How to enhance Microsoft IIS health checks using VBscript

By default, the load balancer uses a TCP connect to the port defined in the Virtual Service to verify the health of each real (backend) server. For IIS, this would typically be port 80...

Stunnel X-Forward-For (XFF) with HAPr0xy and the PROXY Protocol

Stunnel X-Forward-For (XFF) with HAPr0xy and the PROXY Protocol

By default, the source IP address of the packet reaching the web servers is the IP address of the load balancer and not the IP address of the client...

systematic SSL testing

SSL offload testing with HAPr0xy 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...

NTLM authenticating proxy check script

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!..

Identifying the originating IP address

Application Management

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...

client source IP addresses and IIS logs

IIS and X-Forwarded-For Header (XFF)

Although it's not technically a standard, the X-Forwarded-For (XFF) header is incredibly useful if you have any kind of proxy in front of your web servers...

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