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

#Tunnel

1 articles
Network / VPN
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