2014-06-19 18:58:18 -04:00
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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 - 2014, 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_OPTIONS 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_SSL_OPTIONS \- set SSL behavior options
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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_OPTIONS, long bitmask);
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.SH DESCRIPTION
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Pass a long with a bitmask to tell libcurl about specific SSL behaviors.
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2015-07-17 02:40:16 -04:00
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\fICURLSSLOPT_ALLOW_BEAST\fP tells libcurl to not attempt to use any
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workarounds for a security flaw in the SSL3 and TLS1.0 protocols. If this
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option isn't used or this bit is set to 0, the SSL layer libcurl uses may use a
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work-around for this flaw although it might cause interoperability problems
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with some (older) SSL implementations. WARNING: avoiding this work-around
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lessens the security, and by setting this option to 1 you ask for exactly that.
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This option is only supported for DarwinSSL, NSS and OpenSSL.
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Added in 7.44.0:
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\fICURLSSLOPT_NO_REVOKE\fP tells libcurl to disable certificate revocation
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checks for those SSL backends where such behavior is present. \fBCurrently this
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option is only supported for WinSSL (the native Windows SSL library), with an
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exception in the case of Windows' Untrusted Publishers blacklist which it seems
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can't be bypassed.\fP This option may have broader support to accommodate other
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SSL backends in the future.
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2016-02-02 18:19:02 -05:00
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https://curl.haxx.se/docs/ssl-compared.html
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2015-07-17 02:40:16 -04:00
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2014-06-19 18:58:18 -04:00
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.SH DEFAULT
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0
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.SH PROTOCOLS
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All TLS-based protocols
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Added in 7.25.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_SSLVERSION "(3), " CURLOPT_SSL_CIPHER_LIST "(3), "
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