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(parent: dde319e) | patch
HTTP/2: removed support for NPN.
authorVladimir Homutov <vl@nginx.com>
Fri, 15 Oct 2021 07:02:15 +0000 (10:02 +0300)
committerVladimir Homutov <vl@nginx.com>
Fri, 15 Oct 2021 07:02:15 +0000 (10:02 +0300)
commit1db517fb71aed6d6fffc8347086f89eb29b83dea
treeac2416b0a3d2f2416e570cd3e1fe003f76185814tree | snapshot
parentdde319ee0c9de26a6f104feb062cfffaa32c16c0commit | diff
HTTP/2: removed support for NPN.

NPN was replaced with ALPN, published as RFC 7301 in July 2014.
It used to negotiate SPDY (and, in transition, HTTP/2).

NPN supported appeared in OpenSSL 1.0.1. It does not work with TLSv1.3 [1].
ALPN is supported since OpenSSL 1.0.2.

The NPN support was dropped in Firefox 53 [2] and Chrome 51 [3].

[1] https://github.com/openssl/openssl/issues/3665.
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=1248198
[3] https://www.chromestatus.com/feature/5767920709795840
src/http/modules/ngx_http_ssl_module.c diff | blob | history
src/http/ngx_http.c diff | blob | history
src/http/ngx_http_request.c diff | blob | history
src/http/v2/ngx_http_v2.h diff | blob | history
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