| Long: no-alpn | |
| Tags: HTTP/2 | |
| Protocols: HTTPS | |
| Added: 7.36.0 | |
| See-also: no-npn http2 | |
| Requires: TLS | |
| Help: Disable the ALPN TLS extension | |
| Category: tls http | |
| --- | |
| Disable the ALPN TLS extension. ALPN is enabled by default if libcurl was built | |
| with an SSL library that supports ALPN. ALPN is used by a libcurl that supports | |
| HTTP/2 to negotiate HTTP/2 support with the server during https sessions. |