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Revise Ced's HomeLab Diagrams documentation
Updated the document to enhance clarity and organization, including new headings and improved diagram descriptions.
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Chase Dumphord
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# Ced's HomeLab – Network & Cloud Architecture Diagrams
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# 🧠 Ced's HomeLab - Architecture & Network Diagrams
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This file contains **Mermaid diagrams** for:
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This document provides visual representations of the Ced's HomeLab environment, including:
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- Cloud & homelab architecture
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- 🌐 Cloud and homelab architecture
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- VLAN segmentation
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- 🧩 VLAN segmentation
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- Request flows (Proxmox, Home Assistant)
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- 🔄 Request flow through Cloudflare, reverse proxy, and internal services
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You can view or edit them with:
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These diagrams explain how infrastructure components interact and how services are exposed.
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- Mermaid Live Editor: https://mermaid.live
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- Draw.io (Arrange → Insert → Advanced → Mermaid)
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- GitHub / Obsidian / VS Code (Mermaid support)
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---
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---
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## 1. High-Level Cloud & Homelab Architecture
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## 🛠️ Viewing & Editing
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You can view or edit these diagrams using:
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- Mermaid Live Editor: https://mermaid.live
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- Draw.io → Arrange → Insert → Advanced → Mermaid
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- GitHub / VS Code with Mermaid support
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---
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## 🌐 1. High-Level Cloud & Homelab Architecture
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```mermaid
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```mermaid
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graph TD
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graph TD
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subgraph Internet["🌐 Internet"]
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User[User Browser] --> CFDNS[Cloudflare DNS and SSL]
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User[User Browser]
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CFDNS --> CFZT[Cloudflare Zero Trust Planned]
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end
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CFZT --> CFTUN[Cloudflare Tunnel]
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CFTUN --> NPM[Nginx Proxy Manager 10.10.30.210]
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subgraph Cloudflare["Cloudflare Edge"]
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NPM --> PVE[Proxmox VE Host 10.10.30.250]
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CF_DNS[DNS & SSL]
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NPM --> TRUENAS[TrueNAS Storage 10.10.30.143]
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CF_ZT[Zero Trust (future)]
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NPM --> HA[Home Assistant 10.10.30.104]
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end
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NPM --> GRAF[Grafana]
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NPM --> PROM[Prometheus]
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NPM --> UPTK[Uptime Kuma]
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NPM --> JF[Jellyfin]
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NPM --> ARR[Arr Suite]
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subgraph Tunnel["Cloudflare Tunnel"]
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PVE -.-> K3S[K3s Cluster 12 Nodes]
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CF_Tunnel[cloudflared<br/>NPM LXC]
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PVE -.-> OBS[Observability Stack]
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end
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PVE -.-> MEDIA[Media Services]
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subgraph HomeLab_VLAN["HomeLab VLAN 10.10.30.0/24"]
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NPM[Nginx Proxy Manager<br/>10.10.30.210]
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PVE[Proxmox VE Host<br/>10.10.30.250]
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TRUENAS[TrueNAS & Media<br/>10.10.30.143]
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HA[Home Assistant<br/>10.10.30.104]
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subgraph K3S["Raspberry Pi K3s Cluster<br/>12 nodes"]
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K3S_M[Masters]
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K3S_W[Workers]
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end
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subgraph OBS["Observability Stack"]
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GRAF[Grafana]
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PROM[Prometheus]
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UPTK[Uptime Kuma]
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end
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subgraph MEDIA["Media & Arr Suite"]
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ARR[Sonarr/Radarr/etc.]
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JF[Jellyfin]
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end
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end
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User -->|"https://*.cedshomelab.com"| CF_DNS --> CF_ZT
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CF_ZT --> CF_Tunnel --> NPM
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NPM -->|"dashy.cedshomelab.com"| NPM
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NPM -->|"pve.cedshomelab.com"| PVE
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NPM -->|"truenas.cedshomelab.com"| TRUENAS
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NPM -->|"ha.cedshomelab.com"| HA
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NPM -->|"jellyfin.cedshomelab.com"| JF
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NPM -->|"grafana.cedshomelab.com"| GRAF
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NPM -->|"prometheus.cedshomelab.com"| PROM
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NPM -->|"uptime.cedshomelab.com"| UPTK
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NPM -->|"arr.cedshomelab.com"| ARR
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PVE -.-> OBS
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PVE -.-> MEDIA
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PVE -.-> K3S
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TRUENAS -. Storage .- PVE
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TRUENAS -. Storage .- PVE
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TRUENAS -. Media Storage .- JF
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TRUENAS -. Media Storage .- JF
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```
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```
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---
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---
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## 2. VLAN & Network Segmentation Diagram
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## 🧩 2. VLAN & Network Segmentation
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```mermaid
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```mermaid
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flowchart LR
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graph TD
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subgraph UDR["UniFi Dream Router (UDR)"]
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UDR[UniFi Dream Router]
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GW_MAIN["VLAN Main 10.10.10.1"]
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GW_IOT["VLAN IoT 10.10.20.1"]
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GW_LAB["VLAN HomeLab 10.10.30.1"]
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GW_GUEST["VLAN Guest 10.10.99.1"]
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end
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subgraph VLAN_MAIN["Main Network 10.10.10.0/24"]
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MAIN[Main 10.10.10.0/24]
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DEV1[Phones / Laptops / PCs]
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IOT[MyHomeIOT 10.10.20.0/24]
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end
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LAB[HomeLab 10.10.30.0/24]
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GUEST[Guest 10.10.99.0/24]
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subgraph VLAN_IOT["MyHomeIOT 10.10.20.0/24"]
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DEV[User Devices]
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IOT1[IoT Devices]
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IOTDEV[IoT Devices and TVs]
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TV[Smart TVs / Consoles]
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LABDEV[Servers and Services]
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end
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GDEV[Guest Devices]
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subgraph VLAN_LAB["Ced's HomeLab 10.10.30.0/24"]
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UDR --> MAIN
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PVE[Proxmox Host(s)]
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UDR --> IOT
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NPM[Nginx Proxy Manager<br/>+ cloudflared]
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UDR --> LAB
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TRUENAS[TrueNAS]
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UDR --> GUEST
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HA[Home Assistant]
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K3S["K3s Pi Cluster"]
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OBS[Grafana / Prometheus / Uptime Kuma]
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MEDIA[Arr Suite / Jellyfin]
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end
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subgraph VLAN_GUEST["Guest Network 10.10.99.0/24"]
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MAIN --> DEV
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GUEST_DEV[Guest Devices]
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IOT --> IOTDEV
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end
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LAB --> LABDEV
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GUEST --> GDEV
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UDR --- VLAN_MAIN
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UDR --- VLAN_IOT
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UDR --- VLAN_LAB
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UDR --- VLAN_GUEST
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VLAN_MAIN -->|Restricted Access| VLAN_LAB
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VLAN_IOT -->|HA API Only| HA
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VLAN_GUEST -->|Internet Only| UDR
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VLAN_LAB -->|Cloudflare Tunnel<br/>Outbound Only| NPM
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```
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```
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---
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---
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## 3. Request Flow – Proxmox via `pve.cedshomelab.com`
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## 🔄 3. Request Flow - Proxmox Access
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```mermaid
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```mermaid
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sequenceDiagram
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sequenceDiagram
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participant User as User Browser
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participant User
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participant CF as Cloudflare Edge
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participant CF as Cloudflare
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participant Tunnel as cloudflared (NPM LXC)
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participant Tunnel
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participant NPM as Nginx Proxy Manager
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participant NPM
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participant PVE as Proxmox (10.10.30.250:8006)
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participant PVE as Proxmox
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User->>CF: HTTPS GET pve.cedshomelab.com
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User->>CF: HTTPS request for pve.cedshomelab.com
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CF->>CF: DNS resolve / SSL terminate / (Zero Trust auth)
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CF->>Tunnel: Encrypted tunnel
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CF-->>Tunnel: Encrypted Tunnel Connection
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Tunnel->>NPM: Forward request
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Tunnel-->>NPM: HTTP request (Host: pve.cedshomelab.com)
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NPM->>PVE: Proxy to port 8006
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NPM->>PVE: HTTPS to 10.10.30.250:8006<br/>proxy headers
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PVE-->>NPM: UI response
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PVE-->>NPM: Proxmox login HTML
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NPM-->>Tunnel: Return response
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NPM-->>Tunnel: Response
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Tunnel-->>CF: Return response
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Tunnel-->>CF: Encrypted tunnel response
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CF-->>User: Proxmox UI
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CF-->>User: HTTPS response (Proxmox UI)
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```
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```
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---
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---
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## 4. Request Flow – Home Assistant via `ha.cedshomelab.com`
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## 🔄 4. Request Flow - Home Assistant
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```mermaid
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```mermaid
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sequenceDiagram
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sequenceDiagram
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participant User as User (Phone/Laptop)
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participant User
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participant CF as Cloudflare Edge
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participant CF as Cloudflare
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participant Tunnel as cloudflared (NPM LXC)
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participant Tunnel
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participant NPM as Nginx Proxy Manager
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participant NPM
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participant HA as Home Assistant (10.10.30.104:8123)
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participant HA as Home Assistant
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User->>CF: HTTPS GET ha.cedshomelab.com
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User->>CF: HTTPS request for ha.cedshomelab.com
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CF->>CF: DNS / SSL / (Zero Trust future)
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CF->>Tunnel: Encrypted tunnel
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CF-->>Tunnel: Encrypted tunnel connection
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Tunnel->>NPM: Forward request
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Tunnel-->>NPM: HTTP request with X-Forwarded-For
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NPM->>HA: Proxy to port 8123
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NPM->>HA: HTTP to 10.10.30.104:8123
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HA-->>NPM: UI or API response
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HA->>HA: Check trusted_proxies & use_x_forwarded_for
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NPM-->>Tunnel: Return response
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HA-->>NPM: HA UI / API response
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Tunnel-->>CF: Return response
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NPM-->>Tunnel: Response
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CF-->>User: Home Assistant UI
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Tunnel-->>CF: Response
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CF-->>User: HTTPS response (HA UI)
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```
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```
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---
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---
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## 5. Notes
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## 🧠 Notes
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- Cloudflare Zero Trust can be layered in front of any critical service.
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- 🌐 All external access is routed through Cloudflare Tunnel
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- External entrypoint is always `*.cedshomelab.com`.
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- 🚫 No inbound port forwarding is required
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- Only outbound traffic from the HomeLab VLAN is required.
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- 🔗 Services are exposed via subdomains under `cedshomelab.com`
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- 🧩 VLAN segmentation reduces unnecessary lateral movement
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- 🔐 Cloudflare Zero Trust can be layered on sensitive services
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