CORS restrictions on internet-to-intranet connections.

We'll begin requiring servers on a user's machine (127.0.0.1) or intranet (as defined by RFC1918) to explicitly opt-in to connections originating from the public internet. Hopefully, this will mitigate the risks associated with unintentional exposure of devices and servers on a client’s internal network to the web at large.

Specification

Editor's draft

Status in Chromium

Blink


In development (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

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Owner

Last updated on 2020-08-01