Good catch. This is exactly the kind of boundary that breaks shiny ideas if we don’t design it deliberately.
Short answer:
❌ You do not need sh1re
❌ You do not need nginx reverse proxy
✅ You run the embedding model locally inside the air-gapped environment
Now let’s ground that in your reality.
👀 sentence-transformers
pip download sentence-transformers
python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"🛡️ Air-gapped reality: what actually changes?
The only thing embeddings need is:
- a model file
- Python runtime
- CPU (or GPU if you had one)
No API calls. No cloud. No outbound traffic.
So your system becomes:
[ isolated LAN ]
TransferDepot → log ingest → local embedding model → FAISS → detectionEverything stays inside the bunker.
🧠 The real requirement (this is the key)
You must pre-stage the model.
That’s it.
📦 Step 1 — Get the model (outside world)
On a connected machine:
pip download sentence-transformers
python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"This will cache the model locally, typically under:
~/.cache/huggingface/You grab that entire directory.
🚚 Step 2 — Sneakernet it in
Use your existing mechanism:
- USB
- TransferDepot itself
- whatever your sanctioned path is
Drop it into something like:
/opt/models/all-MiniLM-L6-v2/⚙️ Step 3 — Force local loading
Modify your code:
model = SentenceTransformer("/opt/models/all-MiniLM-L6-v2")Now:
🚫 no internet lookup
🚫 no model download
✅ fully local
🧱 Where this lives in your architecture
You already have a pattern:
- TransferDepot = controlled file movement
- sh1re = proxy / bridge
- isolated LAN = execution zone
This detection system belongs inside the isolated LAN, alongside TransferDepot or adjacent to it.
🧩 Deployment options (ranked for your setup)
Option A — Same host as TransferDepot (simplest)
virtca8
├── TransferDepot (Flask/uWSGI)
└── log-detect service (Python)- no network dependency
- fastest path
- easiest to maintain
Option B — Separate internal node
isolated LAN
├── TransferDepot
└── Detection node (Camelot-style box)- cleaner separation
- easier to scale
Option C — sh1re involvement (only if needed)
You’d only involve sh1re if:
- logs originate outside the isolated LAN
- or you want cross-boundary correlation
Then:
outside → sh1re → sanitized logs → TransferDepot → detectionBut:
⚠️ Do NOT put embedding inference on sh1re unless you must
Keep compute close to data inside the air-gap
🚨 Critical constraint (don’t miss this)
Model size matters.
-
all-MiniLM-L6-v2≈ small (~100MB) - Larger models → slower, heavier, painful offline
Start small. You can always upgrade later.
🔐 Security upside (this is actually nice)
Air-gapped embeddings give you:
- no data exfiltration risk
- deterministic behavior
- auditable model artifact
It’s closer to traditional infra thinking than cloud AI.
⚡ Practical integration with TransferDepot
You already have:
-
file drop zones (
/transferdepot-001/files/...) - retention rules
- admin UI
You can bolt detection on like this:
Flow:
upload logs → /files/rs2/logs/
↓
detector scans folder
↓
embeds + analyzes
↓
writes results → /artifacts/alerts/
No JS. No new infra. Just another “artifact generator.”
🧭 Clean decision point
You do NOT need:
- reverse proxy
- internet access
- external APIs
You DO need:
- model staged locally
- a small Python service
- a place to run it
🧪 If you want next step
I can give you:
👉 a drop-in daemon script that:
- watches a directory
- processes new logs
- writes alerts
Fits exactly into your TransferDepot philosophy:
simple, local, no new dependencies, no magic
Just say the word.