Posts

The Ultimate Cisco ISE Upgrade Guide: Step-by-Step with CLI Commands //// Not finished

A practical, production-tested guide to upgrading Cisco ISE, including pre-checks, URT, patching, and CLI troubleshooting.

🛡️ Defending the Local Castle: Catching Local Admin Creation via Defender XDR (KQL)

🔑 SSH Key Management Cheat Sheet: Creation, Re-Encryption, and Verification

Managing SSH keys securely is a core requirement for any infrastructure team. Based on the documentation shown in image_6f2a0c.png, here is a quick guide on how to safely generate, convert, re-encrypt, and verify your keys.

Deploying NGINX Proxy Manager With Appsec agent with Checkpoint signatures

Building a Private Matrix Chat Server with Synapse and Element