NAT Loopback: Why a Port Works on Hotspot but Not on Home Wi‑Fi
Hairpin NAT fundamentals and quick workarounds.
Hairpin NAT fundamentals and quick workarounds.
Log caps, validation, and why it should be day-one.
Independent v4/v6, clear sources, and record sanity checks.
CoreDNS checklist: upstreams, logs, and fast fixes.
A short note on controlled restarts and when not to use them.
HCL readability, multi-cloud, and disciplined state.
CPU, memory pressure, disk, DNS, routing. In that order.
Route, port, DNS. Keep the order.
Scope, rotation, and keeping secrets from sprawling.
Services, DNS, entry points. Verify first, then change.