no-npn.d 402 B

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  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. Category: tls http
  10. ---
  11. Disable the NPN TLS extension. NPN is enabled by default if libcurl was built
  12. with an SSL library that supports NPN. NPN is used by a libcurl that supports
  13. HTTP/2 to negotiate HTTP/2 support with the server during https sessions.