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Damian Pacuszka

Damian is a proven authority in complex load balancing and high-availability systems. His expertise is demonstrated through comprehensive guides on Layer 4 vs. Layer 7 mechanisms, GSLB, and advanced configurations (e.g., HAProxy health checks, Proxy Protocol). With more than 15 years of technical experience in Linux operating systems, he is a trusted content creator who focuses on maximizing application performance, resilience, and security. He also loves binge-watching TV.

Posts
21 posts
Role
Solutions Architect & Technical Sales Engineer

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!..

How-tos Open source Security

Apache Log4j vulnerability CVE-2021-44228

The Apache Log4j utility is commonly used for logging requests by millions of Java applications to log error messages. However, recently the critical vulnerability CVE-2021-44228 was discovered in the Apache Log4j library...

Security Open source

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)...

How-tos

What is a load balancer? A comprehensive guide to load balancing

Hidden in data centers around the world, there are millions of load balancers that keep businesses and their applications fully functional 24/7 – making sure users enjoy a seamless and uninterrupted high-quality experience at every single click...

High Availability Performance

How to write an external health check script for HAProxy

Loadbalancer.org were the original sponsors of the external health check mechanism in HAProxy. We think it's an invaluable tool when you need something a bit special...

HAProxy Open source How-tos