2019-08-07 08:17:48 -04:00
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Long: http3
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2019-07-21 17:48:58 -04:00
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Tags: Versions
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Protocols: HTTP
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Added: 7.66.0
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Mutexed: http1.1 http1.0 http2 http2-prior-knowledge
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Requires: HTTP/3
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Help: Use HTTP v3
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2019-08-07 08:17:48 -04:00
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See-also: http1.1 http2
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2019-07-21 17:48:58 -04:00
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---
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WARNING: this option is experiemental. Do not use in production.
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Tells curl to use HTTP version 3 directly to the host and port number used in
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the URL. A normal HTTP/3 transaction will be done to a host and then get
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redirected via Alt-SVc, but this option allows a user to circumvent that when
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you know that the target speaks HTTP/3 on the given host and port.
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2019-08-07 08:17:48 -04:00
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This option will make curl fail if a QUIC connection cannot be established, it
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cannot fall back to a lower HTTP version on its own.
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