1 Long: no-npn 2 Tags: Versions HTTP/2 3 Protocols: HTTPS 4 Added: 7.36.0 5 Mutexed: 6 See-also: no-alpn http2 7 Requires: TLS 8 Help: Disable the NPN TLS extension 9 --- 10 Disable the NPN TLS extension. NPN is enabled by default if libcurl was built 11 with an SSL library that supports NPN. NPN is used by a libcurl that supports 12 HTTP/2 to negotiate HTTP/2 support with the server during https sessions. 13
