CURLOPT_HEADEROPT(3) curl_easy_setopt options CURLOPT_HEADEROPT(3)NAME
CURLOPT_HEADEROPT - set how to send HTTP headers
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HEADEROPT, long bitmask);
DESCRIPTION
Pass a long that is a bitmask of options of how to deal with headers. The two mutually exclusive options are:
CURLHEADER_UNIFIED - the headers specified in CURLOPT_HTTPHEADER(3) will be used in requests both to servers and proxies. With this option
enabled, CURLOPT_PROXYHEADER(3) will not have any effect.
CURLHEADER_SEPARATE - makes CURLOPT_HTTPHEADER(3) headers only get sent to a server and not to a proxy. Proxy headers must be set with CUR-
LOPT_PROXYHEADER(3) to get used. Note that if a non-CONNECT request is sent to a proxy, libcurl will send both server headers and proxy
headers. When doing CONNECT, libcurl will send CURLOPT_PROXYHEADER(3) headers only to the proxy and then CURLOPT_HTTPHEADER(3) headers only
to the server.
DEFAULT
CURLHEADER_SEPARATE (changed in 7.42.1, ased CURLHEADER_UNIFIED before then)
PROTOCOLS
HTTP
EXAMPLE
TODO
AVAILABILITY
Added in 7.37.0
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO CURLOPT_HTTPHEADER(3), CURLOPT_PROXYHEADER(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_HEADEROPT(3)
Check Out this Related Man Page
CURLOPT_HTTPPROXYTUNNEL(3) curl_easy_setopt options CURLOPT_HTTPPROXYTUNNEL(3)NAME
CURLOPT_HTTPPROXYTUNNEL - tunnel through HTTP proxy
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTPPROXYTUNNEL, long tunnel);
DESCRIPTION
Set the parameter to 1 to make libcurl tunnel all operations through the HTTP proxy. There is a big difference between using a proxy and to
tunnel through it. If you don't know what this means, you probably don't want this tunneling option.
Tunneling essentially means that a CONNECT is sent to the proxy, asking it to connect to a remote host on a specific port number and then
the traffic is just passed through the proxy. Proxies tend to whitelist specific port numbers it allows CONNECT requests to and often only
port 80 and 443 are allowed.
When using this, it only makes sense to use CURLOPT_PROXYTYPE(3) set to a HTTP proxy.
To suppress proxy CONNECT response headers from user callbacks use CURLOPT_SUPPRESS_CONNECT_HEADERS(3).
DEFAULT
0
PROTOCOLS
All network protocols
EXAMPLE
TODO
AVAILABILITY
Always
RETURN VALUE
Returns CURLE_OK
SEE ALSO CURLOPT_PROXY(3), CURLOPT_PROXYTYPE(3), CURLOPT_PROXYPORT(3),
libcurl 7.54.0 April 28, 2016 CURLOPT_HTTPPROXYTUNNEL(3)
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