Security
lab-guides2026-08-24
Restoring 802.1X Wireless With No Documentation
FortiGate, HP ProCurve, UniFi, and NPS: no docs, no tribal knowledge, and no wireless. Rebuilt it from the wire up.
lab-guides2026-07-28
ACL Basics: Standard vs Extended
Block OT vlan from LAB, allow MGMT everywhere. Placement matters.
lab-guides2026-07-15
OT Segmentation: Purdue Levels on a Budget
VLAN + firewall rules to isolate a fake PLC/HMI from corp LAB.