no-npn.d 527 B

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  1. c: Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
  2. SPDX-License-Identifier: curl
  3. Long: no-npn
  4. Tags: Versions HTTP/2
  5. Protocols: HTTPS
  6. Added: 7.36.0
  7. Mutexed:
  8. See-also: no-alpn http2
  9. Requires: TLS
  10. Help: Disable the NPN TLS extension
  11. Category: tls http
  12. Example: --no-npn $URL
  13. ---
  14. Disable the NPN TLS extension. NPN is enabled by default if libcurl was built
  15. with an SSL library that supports NPN. NPN is used by a libcurl that supports
  16. HTTP/2 to negotiate HTTP/2 support with the server during https sessions.