EST. 2026 — Notes from real server work SYSADMIN · SECURITY · AI · DIRECTADMIN Issue 01
THE SYSADMIN ALMANAC
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Zero Trust

#Zero Trust

2 articles
Security
One Tunnel Is the Only Way In—and a Single Point of Failure
Network

One Tunnel Is the Only Way In—and a Single Point of Failure

The machine sits behind NAT with no ports open to the internet. Every way in runs through one cloudflared tunnel — web, SSH, and remote desktop. This article covers the four ingress routes I set up, how to read the signs when it goes down, and the trap that keeps the tunnel from starting at boot.

#cloudflare#cloudflared#tunnel#zero-trust
10 min read·5 Oct
LAN Access for a Team of 7 Without Open Ports: Cloudflare Zero Trust
Network

LAN Access for a Team of 7 Without Open Ports: Cloudflare Zero Trust

A team of 7 needs RDP access to machines on the LAN without opening any ports to the internet — the Cloudflare Zero Trust architecture (WARP + cloudflared), with 3 lessons from implementation: a forgotten IdP setup, Gateway defaults that allow everything, and the default-deny rule people forget most often

#cloudflare#zero-trust#vpn#remote-access
10 min read·9 Jul