2022-06-14 06:12:03 +08:00
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c: Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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2016-11-14 06:40:12 +08:00
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Long: http2-prior-knowledge
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Tags: Versions
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Protocols: HTTP
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Added: 7.49.0
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2022-01-10 04:34:19 +08:00
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Mutexed: http1.1 http1.0 http2 http3
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2016-11-14 06:40:12 +08:00
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Requires: HTTP/2
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2016-11-15 16:08:50 +08:00
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Help: Use HTTP 2 without HTTP/1.1 Upgrade
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2020-07-13 20:15:04 +08:00
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Category: http
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2021-08-31 22:37:14 +08:00
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Example: --http2-prior-knowledge $URL
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2021-11-15 22:58:20 +08:00
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See-also: http2 http3
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2016-11-14 06:40:12 +08:00
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---
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Tells curl to issue its non-TLS HTTP requests using HTTP/2 without HTTP/1.1
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Upgrade. It requires prior knowledge that the server supports HTTP/2 straight
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away. HTTPS requests will still do HTTP/2 the standard way with negotiated
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protocol version in the TLS handshake.
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