From 7e8b65c00bcaf3e7b6cf8244a556e36ed0a5a22b Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Tue, 8 Mar 2016 00:02:52 +0100 Subject: HTTP2.md: mention the disable ALPN and NPN options --- docs/HTTP2.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/HTTP2.md b/docs/HTTP2.md index 44b5273dd..c9fb608fd 100644 --- a/docs/HTTP2.md +++ b/docs/HTTP2.md @@ -36,12 +36,14 @@ Over an https:// URL If `CURLOPT_HTTP_VERSION` is set to `CURL_HTTP_VERSION_2_0`, libcurl will use ALPN (or NPN) to negotiate which protocol to continue with. Possibly introduce an option that will cause libcurl to fail if not possible to use HTTP/2. -Consider options to explicitly disable ALPN and/or NPN. ALPN is the TLS extension that HTTP/2 is expected to use. The NPN extension is for a similar purpose, was made prior to ALPN and is used for SPDY so early HTTP/2 servers are implemented using NPN before ALPN support is widespread. +`CURLOPT_SSL_ENABLE_ALPN` and `CURLOPT_SSL_ENABLE_NPN` are offered to allow +applications to explicitly disable ALPN or NPN. + SSL libs -------- -- cgit v1.2.3