2016-11-14 06:40:12 +08:00
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Long: no-npn
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2016-11-16 21:20:36 +08:00
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Tags: Versions HTTP/2
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2016-11-14 06:40:12 +08:00
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Protocols: HTTPS
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Added: 7.36.0
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Mutexed:
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See-also: no-alpn http2
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Requires: TLS
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2016-11-15 16:08:50 +08:00
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Help: Disable the NPN TLS extension
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2020-07-13 20:15:04 +08:00
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Category: tls http
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2021-08-31 22:37:14 +08:00
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Example: --no-npn $URL
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2016-11-14 06:40:12 +08:00
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---
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Disable the NPN TLS extension. NPN is enabled by default if libcurl was built
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with an SSL library that supports NPN. NPN is used by a libcurl that supports
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HTTP/2 to negotiate HTTP/2 support with the server during https sessions.
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