NPN was the TLS extension used to negotiate SPDY (and, in transition, HTTP/2). During the standardization process, NPN was replaced with ALPN, published as RFC 7301 in July 2014. We intend to remove NPN at the same time as the SPDY removal.

Specification

Editor's draft

Status in Chromium

Blink


Removed (tracking bug) in:

  • Chrome for desktop release 51

Consensus & Standardization

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

  • No signal
  • No signal
  • No signal
  • No signals

Owners

Search tags

npn, tls, spdy,

Last updated on 2020-11-09