ESXi Lockdown Mode is a security feature in VMware ESXi that restricts direct access to the ESXi host, allowing access only through vCenter Server. This feature is designed to enhance security by preventing unauthorized users from modifying the ESXi host…
I have been awarded membership in the VMware vExpert Special Honors Subprogram “vExpert Security” for my contribution to sharing knowledge of VMware Security topics through this blog. Thank you to the VMware Community for this recognition and for encouraging us…
VMware Admission Control is a component of VMware vSphere High Availability (HA) that guarantees enough resources are allocated within a cluster to satisfy failover needs. It prohibits adding virtual machines (VMs) to a cluster if this would compromise the cluster’s…
Encrypting data drives makes sense on a laptop. If you turn it off and it gets lost, a key has to be provided to decrypt the data on the drives to make it readable. But what about the disks of…
In a previous article, I described how to activate UEFI Boot, which will disable the ESXi OS from loading 3rd party packages. What is execInstalledOnly enforcement? execInstalledOnly will ensure that non-signed scripts can be run against the ESXi. Important to…
Option 1: Duo MFA for RDP (fast, easy, proven) Pros: High-level install steps: ▶ Link to official Duo guide:Duo MFA for Windows RDP – Step-by-Step Option 2: Azure MFA with NPS Extension (Microsoft “native” method) Pros: High-level install steps: ▶ Link to official Microsoft guide:Configure NPS…
UEFI Secure Boot is a platform feature within the UEFI specification that ensures the system boots using only the software trusted by the hardware manufacturer. Secure Boot provides a verification mechanism in which the firmware validates a boot loader before executing…
A use case I was presented recently was how multiple switches can be upgraded via automation tooling. Prerequesits As with any automation, standardisation is key. For this to work the switches should be close to the same model, the ports…
