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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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2016-02-02 18:19:02 -05:00
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_SSL_FALSESTART 3 "14 Feb 2015" "libcurl 7.41.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_SSL_FALSESTART \- enable TLS false start
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_FALSESTART, long enable);
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.SH DESCRIPTION
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Pass a long as parameter set to 1 to enable or 0 to disable.
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This option determines whether libcurl should use false start during the TLS
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handshake. False start is a mode where a TLS client will start sending
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application data before verifying the server's Finished message, thus saving a
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round trip when performing a full handshake.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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2015-11-07 17:11:04 -05:00
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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2015-03-21 13:22:56 -04:00
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Added in 7.42.0. This option is currently only supported by the NSS and
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Secure Transport (on iOS 7.0 or later, or OS X 10.9 or later) TLS backends.
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.SH RETURN VALUE
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Returns CURLE_OK if false start is supported by the SSL backend, otherwise
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returns CURLE_NOT_BUILT_IN.
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