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http2.d

http2.d 741 B
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  1. c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
    2. 

  2. SPDX-License-Identifier: curl
    3. 

  3. Long: http2
    4. 

  4. Tags: Versions
    5. 

  5. Protocols: HTTP
    6. 

  6. Added: 7.33.0
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  7. Mutexed: http1.1 http1.0 http2-prior-knowledge http3
    8. 

  8. Requires: HTTP/2
    9. 

  9. Help: Use HTTP/2
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  10. See-also: http1.1 http3 no-alpn
    11. 

  11. Category: http
    12. 

  12. Example: --http2 $URL
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  13. Multi: mutex
    14. 

  14. ---
    15. 

  15. Tells curl to use HTTP version 2.
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  16. 

  17. For HTTPS, this means curl negotiates HTTP/2 in the TLS handshake. curl does
    18. 

  18. this by default.
    19. 

  19. 

  20. For HTTP, this means curl attempts to upgrade the request to HTTP/2 using the
    21. 

  21. Upgrade: request header.
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  22. 

  23. When curl uses HTTP/2 over HTTPS, it does not itself insist on TLS 1.2 or
    24. 

  24. higher even though that is required by the specification. A user can add this
    25. 

  25. version requirement with --tlsv1.2.
    26.