UCEPROTECTL3 Listing Explained
Seeing a UCEPROTECTL3 listing on an IP address can be alarming at first — especially if mail services...
Monitoring Proxmox Snapshots – Why It Matters More Than You Think
In virtualized environments, snapshots are a powerful safety net. Whether you’re patching a critical system, updating a legacy...
Matrix Notifications for Checkmk – Modern, Secure, and Self-Hosted Alerting
Still sending monitoring alerts via email or relying on closed messaging platforms? In an age where digital sovereignty...
Smart UV Protection with Home Assistant
Sunscreen only when it matters UV radiation is increasing year by year, and the WHO continues to warn...
Home Assistant Intrusion Alerts via Geofencing
Home automation is at its best when it blends seamlessly into everyday life – and security is no...
Smarter Allergy Planning with Home Assistant
Home Assistant is more than smart lights and energy meters – it can support your daily well-being. One...
Fail2ban Made Easy with a Helper Script
What is fail2ban? fail2ban is a security tool for Linux servers that helps prevent brute-force attacks. It works...
Google Groups as a Spam Vector
Introduction If you’re operating a modern mail system and rely on technologies like SPF, DKIM, and DMARC, you...
Never Miss a Bounce Again – Track Postfix Failures
When you’re waiting for an important email that never arrives, it can be frustrating — especially when there’s...