Latest posts
Cisco ISE in Azure: When Azure Drops Out-of-Order UDP
Cisco ISE in Azure Broke Because Azure Drops Out-of-Order UDP Packets TL;DR: We deployed Cisco Identity Services Engine (ISE) in Azure for…
Cisco ISE First Deployment: What the Docs Won’t Tell You
Key Takeaways Version the advice. Standing up ISE today means 3.4 Patch 3 or 3.5. Anything written for 2.x is stale on…
Cisco Config Archive & Rollback: revert vs reload
Cisco’s configure revert timer rolls back config changes with no reboot, no reload, no outage — once you enable the config archive…
Easily Find Unused Ports on a Cisco Switch
One Cisco command to find every unused switch port — show int | i proto|Last in. How to read the output, classify…
Telnet on macOS for EVE-NG: What Actually Works
Since Apple has removed the telnet and ftp programs from their latest operating system, you may find yourself unable to use EVE-NG’s…
Add Calendar Permissions in Microsoft 365 via PowerShell
Exchange Online calendar permissions with PowerShell: the V3 module, Add- vs Set-, localised folder names, delegate flags, and bulk-safe scripts.
NBN FTTP Connection Box Status Lights
What each light on the nbn FTTP connection box means, read as a fault tree — how to tell in seconds whether…
How to make a private VPN server in 10 minutes
Run a personal WireGuard VPN on a $5 VPS in 10 minutes — the angristan script, client setup, performance numbers, and what…
Juniper SRX Cheat Sheet
The Junos commands worth memorising on SRX gear: the three CLI modes, commit confirmed and rollback, structural config editing, VLANs, and security…
Site-to-Site IPSec: Juniper to Cisco Through MikroTik NAT
Site-to-site IPSec between a Cisco VTI and a Juniper SRX st0 through MikroTik NAT: route-based VPN, NAT-T on UDP 4500, and the…