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AI network isolation

N1241 — a firewall built for self-hosted AI

Local models and AI agents make outbound calls and expose services. The N1241 gives them their own network: four 2.5G Intel LAN ports for VLAN zones, egress filtering, and application-aware inspection with OPNsense and Zenarmor.

4× 2.5G LANZenarmor DPIVLAN
IWILL Nano-N1241 fanless appliance with 4× 2.5G Intel LAN for AI network isolation

Why this platform

4× 2.5G Intel LAN

One physical port per zone — AI hosts, agents, users, management — so isolation is real wires, not just switch config.

Egress control

Deny-by-default outbound with an allowlist contains what the AI stack can reach, and logs what it tries.

Application-aware DPI

Zenarmor on OPNsense shows which app and destination every flow belongs to — the answer every security review needs.

Silent, N100-class

Alder Lake N100 with AES-NI keeps DPI and VPN at LAN speed, fanless, next to the hosts it protects.

Key specifications

Processor
Intel Alder Lake N100 (4-core)
Memory
1× DDR4 3200, up to 16GB
Network
4× 2.5G LAN (Intel)
Storage
M.2 2280 + M.2 SATA
Wireless
M.2 slots (Wi-Fi / 4G / 5G)
Cooling
Fanless
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Validated software

  • OPNsense
  • Zenarmor
  • pfSense
  • Suricata IDS/IPS
  • Proxmox VE

Software compatibility is validated for the exact model and release before quotation.

Where it fits

Self-hosted inference

Isolate Ollama / LM Studio hosts with inbound only on the API port, outbound denied.

Tool-using agents

Give agents a zone with allowlisted egress and full logging.

Hybrid AI estates

Segment mixed local-model and cloud-API workloads with DPI visibility.

Frequently asked questions

Why does self-hosted AI need a dedicated firewall?

AI runtimes expose HTTP APIs and make outbound calls by design; on a flat network everything can reach them and they can reach anything. VLAN isolation and egress filtering contain that — the backstop when application guardrails fail.

What is Zenarmor?

An application-aware inspection plugin for OPNsense. It classifies traffic by application and destination and enforces policy — the free tier suits home/lab use, commercial tiers add depth.

Is the N100 powerful enough for DPI?

For small-team LAN speeds with AES-NI, yes. For office-wide IDS/IPS at high throughput, size up to a six-port or rackmount platform.

Related hardware

Ready to specify the N1241?

Send the configuration, quantity, application, and timing. Technical sales confirms compatibility, lead time, and pricing.

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