docs: add Kasm Workspaces service and fix changelog
Document Kasm DinD architecture, Traefik integration, and the proxy_port/frameDeny fixes that resolved session connection failures. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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@@ -243,6 +243,29 @@ Non-critical services that enhance functionality but don't affect core network o
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## Remote Access
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### Kasm Workspaces (Browser Isolation)
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| Component | IP | URL |
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|-----------|-----|-----|
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| kasm (DinD host) | 172.18.0.66 | https://kasm.xtrm-lab.org |
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| kasm_proxy | 172.19.0.8 (internal) | - |
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| kasm_api | 172.19.0.7 (internal) | - |
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| kasm_manager | 172.19.0.6 (internal) | - |
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| kasm_agent | 172.19.0.2 (internal) | - |
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| kasm_db | 172.19.0.3 (internal) | - |
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| kasm_guac | 172.19.0.9 (internal) | - |
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**Version:** 1.18.1
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**Architecture:** Docker-in-Docker (runs its own Docker daemon with internal containers)
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**Network:** dockerproxy (outer), kasm_default_network 172.19.0.0/16 (inner)
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**Ports:** 3000 (web UI), 6333 (proxy/sessions)
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**Data:** `/mnt/user/appdata/kasm/`
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**Traefik Integration:**
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- Uses `kasm-headers` middleware (no `frameDeny` — Kasm requires iframes)
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- Service backend: `https://172.18.0.66:6333` with `insecure-skip-verify`
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- Zone config: `proxy_port=443`, `proxy_hostname=$request_host$` (routes sessions through Traefik)
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### RustDesk
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| Component | Ports |
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@@ -2,6 +2,16 @@
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**Purpose:** Major infrastructure events only. Minor changes are in git commit messages.
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---
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## 2026-05-05
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### Kasm Workspaces Fix
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- **[KASM]** Fixed session connection failure when accessing via Traefik reverse proxy
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- **[KASM]** Changed zone `proxy_port` from 6333 to 443 in kasm_db — browser WebSocket now routes through Traefik instead of trying unreachable port 6333
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- **[TRAEFIK]** Added `kasm-headers` middleware (same as `default-headers` but without `frameDeny`) — Kasm uses iframes for session rendering
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- **[TRAEFIK]** Updated kasm-secure router to use `kasm-headers` middleware
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- **[DOCS]** Added Kasm Workspaces to 03-SERVICES-OTHER.md
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---
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## 2026-03-12
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