Air-gap deployment means an application runs with zero external network dependencies: no CDN requests, no analytics, no license-validation pings. Defense programs in classified or controlled environments cannot allow any outbound traffic, so a single HTTP request disqualifies a tool. The test is simple: disconnect the network cable and try every feature; if anything breaks, it is not air-gap compatible.
What does air-gap deployment mean?
Air-gap deployment means the application runs with zero external network dependencies. Zero. Not "minimal." Not "just a CDN for fonts." Not "only a license validation ping on startup." Zero.
Why do defense programs require air-gap operation?
This matters because defense programs operating in classified or controlled environments cannot allow any outbound network traffic from the application. A single HTTP request to a CDN, analytics endpoint, or license server means the tool cannot be deployed in that environment. Period.
How Hitt Hosting SE achieves true air-gap operation
Hitt Hosting SE's self-hosted deployment achieves true air-gap operation. Fonts are bundled locally via @fontsource (no Google Fonts CDN). Authentication runs on a local Supabase instance. All 50+ engineering calculators run client-side with no server round-trips. There is no analytics, no telemetry, no license phone-home.
Updates are delivered as signed archive files that can be transferred through approved media and applied without an internet connection. The application runs identically whether connected to the internet or completely isolated on an internal network.
| Dependency | How it is handled |
|---|---|
| Fonts | Bundled locally via @fontsource — no Google Fonts CDN |
| Authentication | Local Supabase instance |
| Engineering calculators | All 50+ run client-side, no server round-trips |
| Analytics / telemetry | None |
| License checks | No phone-home |
| Updates | Signed archives applied offline via approved media |
How do you test whether a tool is truly air-gapped?
If your program requires air-gap deployment, the test is simple: disconnect the network cable and try every feature. If anything breaks, it is not air-gap compatible. Hitt Hosting SE passes this test.