Dave Saunders | Loadbalancer

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Dave brings over a decade of system administration authority from IBM to his role. His expertise in high-availability systems is demonstrated through deep technical writing on essential load balancing topics: WAF (ModSecurity), GSLB, L4/L7 comparisons, backup/restore procedures, and security (Zero trust architectures). He ensures resilient infrastructure and top-tier support for a diverse range of customer environments. He also loves walking his dog, Charlie.

Extending the ModSecurity WAF, with Denial Of Service protection — using HAProxy

Extending the ModSecurity WAF, with Denial Of Service protection — using HAProxy

Our long time partner Metaswitch, desperately needed to stop brute force login attacks on the enterprise phone system that they supply to large telecom companies...

Do you really need 5 different ways to back up a load balancer?

High Availability

Do you really need 5 different ways to back up a load balancer?

Well, do you? After all, everyone likes to have choices, don't they?..

Have you actually tested that you can restore your Kemp LoadMaster backup?

Have you actually tested that you can restore your Kemp LoadMaster backup?

OK, so I probably should have read the manual first... But what kind of engineer does that?!..

Security guard in black jacket

The role of load balancers in zero trust architectures

Getting on board with zero trust is the easy part. Actually applying these principles to your architecture is less black and white...

Compare Layer 4, 7, and Global Server Load Balancing (GSLB) techniques

Compare Layer 4, 7, and Global Server Load Balancing (GSLB) techniques

The first question we always ask our customers is: "are you looking for performance, reliability, maintainability — or all three?"..

Spring Framework vulnerabilities

Spring Framework vulnerabilities

It is understandable that SysAdmins, DevOps, and most in the IT and Security Departments involved want to ensure all load balancers are fully patched and protected, given that our product plays an important role in their topology...

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...

Stack Clash and Loadbalancer.org

Stack Clash and Loadbalancer.org

The long and short of it is, there are updates to the Linux kernel and glibc packages which will 'fix' the issue..

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!..

New PuTTY vulnerability "vuln-ech-overflow" identified - upgrade to 0.66 to protect your environment

New PuTTY vulnerability "vuln-ech-overflow" identified - upgrade to 0.66 to protect your environment

Due to the way that PuTTY uses a signed integer variable to store the number of characters to be erased and there was inadequate checking for overflow, there was the potential for an attacker to corrupt important data in certain circumstances...

Microsoft drops support for mstshash RDP cookies? (embrace and destroy policy?)

Microsoft drops support for mstshash RDP cookies? (embrace and destroy policy?)

We are pretty sure Microsoft have quietly fixed this bug and not told anyone... But the story is quite fun so lets leave it here for a lesson in corporate stupidity..

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