1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 2 "http://www.w3.org/TR/html4/loose.dtd"> 3<html><head> 4<title>CURLOPT_SSL_OPTIONS man page</title> 5<meta name="generator" content="roffit"> 6<STYLE type="text/css"> 7P.level0 { 8 padding-left: 2em; 9} 10 11P.level1 { 12 padding-left: 4em; 13} 14 15P.level2 { 16 padding-left: 6em; 17} 18 19span.emphasis { 20 font-style: italic; 21} 22 23span.bold { 24 font-weight: bold; 25} 26 27span.manpage { 28 font-weight: bold; 29} 30 31h2.nroffsh { 32 background-color: #e0e0e0; 33} 34 35span.nroffip { 36 font-weight: bold; 37 font-size: 120%; 38 font-family: monospace; 39} 40 41p.roffit { 42 text-align: center; 43 font-size: 80%; 44} 45</STYLE> 46</head><body> 47 48<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2> 49<p class="level0">CURLOPT_SSL_OPTIONS - set SSL behavior options <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2> 50<p class="level0">#include <curl/curl.h> 51<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_OPTIONS, long bitmask); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2> 52<p class="level0">Pass a long with a bitmask to tell libcurl about specific SSL behaviors. 53<p class="level0"><span Class="emphasis">CURLSSLOPT_ALLOW_BEAST</span> is the only supported bit and by setting this the user will tell libcurl to not attempt to use any workarounds for a security flaw in the SSL3 and TLS1.0 protocols. If this option isn't used or this bit is set to 0, the SSL layer libcurl uses may use a work-around for this flaw although it might cause interoperability problems with some (older) SSL implementations. WARNING: avoiding this work-around lessens the security, and by setting this option to 1 you ask for exactly that. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2> 54<p class="level0">0 <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2> 55<p class="level0">All TLS-based protocols <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2> 56<p class="level0">TODO <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2> 57<p class="level0">Added in 7.25.0 <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2> 58<p class="level0">Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2> 59<p class="level0"><a Class="manpage" href="/CURLOPT_SSLVERSION.html">CURLOPT_SSLVERSION</a> <a Class="manpage" href="/CURLOPT_SSL_CIPHER_LIST.html">CURLOPT_SSL_CIPHER_LIST</a> <span Class="manpage"> </span> <p class="roffit"> 60 This HTML page was made with <a href="http://daniel.haxx.se/projects/roffit/">roffit</a>. 61</body></html> 62