NPM reverse proxy — FAQ

Nginx Proxy Manager on TrueNAS — LAN proxy; most public traffic uses Cloudflare Tunnel now. See NPM doc.

NPM-001 — What is NPM?

1. NGINX Proxy Manager — web UI for reverse proxy on NAS.

NPM-002 — Where is NPM?

1. TrueNAS Docker at 192.168.2.203 — not on Windows PC.

NPM-003 — Still needed after tunnel?

1. Yes for LAN hostnames and legacy — many public URLs go direct tunnel.

NPM-004 — Admin URL?

1. LAN only — e.g. http://192.168.2.203:6081 — check Apps port.

NPM-005 — Admin login?

1. Vaultwarden search NPM — never expose admin to public internet.

NPM-006 — Add proxy host?

1. Hosts → Proxy Hosts → Add — NPM doc.

NPM-007 — Websockets?

1. Enable for Jellyfin, Navidrome, *arr, qBittorrent UI.

NPM-008 — Let's Encrypt on LAN?

1. SSL tab on proxy host if hostname resolves locally.

NPM-009 — New public subdomain?

1. Prefer Cloudflare Tunnel first — not NPM unless tunnel points at NPM.

NPM-010 — Tunnel vs NPM path?

1. Before: Internet→NPM→app. Now: often Internet→Tunnel→app direct.

NPM-011 — When tunnel points to NPM?

1. One tunnel entry to NPM — NPM splits hostnames internally.

NPM-012 — Block common exploits?

1. Enable on each proxy host.

NPM-013 — 502 from NPM?

1. Backend app down — check forward IP/port.

NPM-014 — Wrong backend port?

1. Verify TrueNAS app port in Apps UI.

NPM-015 — Docker hostname forward?

1. Use container name on TrueNAS docker network.

NPM-016 — Path-based routing?

1. Custom locations in NPM — advanced.

NPM-017 — HTTP to HTTPS redirect?

1. Force SSL on proxy host.

NPM-018 — Access NPM from phone on Wi‑Fi?

1. Same LAN admin URL — not via Cloudflare.

NPM-019 — Old local.saxobroko.com?

1. Legacy CNAME pattern — see Network doc.

NPM-020 — Docs used to use NPM?

1. Yes — old PC proxied mkdocs; now Cloudflare Pages.

NPM-021 — Delete NPM?

1. Don't — still useful for LAN even if tunnels direct.

NPM-022 — Certificate expired?

1. Renew in NPM SSL tab or fix DNS challenge.

NPM-023 — Multiple domains one host?

1. Comma-separate domain names on proxy host.

NPM-024 — Default 404 host?

1. Redirection hosts or custom catch-all.

NPM-025 — Header buffer issues?

1. NPM custom config — Ryan for weird apps.

NPM-026 — Relation to Cloudflare SSL?

1. Edge SSL at Cloudflare; NPM SSL for LAN.

NPM-027 — Bookmark admin on PC?

1. Windows PC at 192.168.2.200 on home LAN.

NPM-028 — Forgot NPM password?

1. Reset via NPM docs or Ryan — credentials in vault.

NPM-029 — Update NPM container?

1. TrueNAS Apps update — brief proxy downtime.

NPM-030 — Logs location?

1. NPM UI log tab or container logs in TrueNAS.

NPM-031 — qBittorrent through NPM?

1. Websockets on — forward to qBT port.

NPM-032 — Jellyfin through NPM?

1. Websockets + correct stream URL in clients.

NPM-033 — Survivor needs NPM?

1. Rare — Ryan handles proxy changes.

NPM-034 — Screenshots in docs?

1. npmproxyhosts.jpg, nph.jpg in PC/NPM folder.

NPM-035 — More NPM help?

1. NPM doc, Network.