From fa8d7ce4fef671018f0dadbd2d23ec51b440e72f Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Fri, 7 Feb 2014 15:50:31 +0100 Subject: http2: updated README after NSS addition Changed the support to a little matrix and added brief explanation of what ALPN and NPN are for. --- lib/README.http2 | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'lib/README.http2') diff --git a/lib/README.http2 b/lib/README.http2 index eaa02fa0e..daa633834 100644 --- a/lib/README.http2 +++ b/lib/README.http2 @@ -31,11 +31,20 @@ HTTP2 with libcurl option that will cause libcurl to fail if not possible to use http2. Consider options to explicitly disable ALPN and/or NPN. + ALPN is the TLS extension that http2 is expected to use. The NPN extension + is for a similar purpose, was made prior to ALPN and is used for SPDY so + early http2 servers are implemented using NPN before ALPN support is + widespread. + SSL libs - The challange is the ALPN and NPN support and all our different SSL - backends. Right now we support ALPN and NPN with OpenSSL and ALPN with - GnuTLS. + The challenge is the ALPN and NPN support and all our different SSL + backends. You may need a fairly updated SSL library version for it to + provide the necessary TLS features. Right now we support: + + OpenSSL: ALPN and NPN + NSS: ALPN and NPN + GnuTLS: ALPN Applications -- cgit v1.2.3