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Vladimir Homutov 1db517fb71 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
2021-10-15 10:02:15 +03:00
auto Configure: fixed --test-build-epoll on FreeBSD 13. 2021-04-05 20:14:16 +03:00
conf MIME: added application/wasm type (ticket #1606). 2021-05-08 20:31:03 +03:00
contrib Contrib: vim syntax, update core and 3rd party module directives. 2021-05-30 12:26:00 +03:00
docs nginx-1.21.3-RELEASE 2021-09-07 18:21:02 +03:00
misc Updated OpenSSL used for win32 builds. 2021-08-31 17:54:54 +03:00
src HTTP/2: removed support for NPN. 2021-10-15 10:02:15 +03:00
.hgtags release-1.21.3 tag 2021-09-07 18:21:03 +03:00