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CURLOPT_SOCKS5_GSSAPI_NEC(3)        libcurl       CURLOPT_SOCKS5_GSSAPI_NEC(3)


NAME

       CURLOPT_SOCKS5_GSSAPI_NEC - SOCKS proxy GSSAPI negotiation protection


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKS5_GSSAPI_NEC, long nec);


DESCRIPTION

       Pass a long set to 1 to enable or 0 to disable. As part of the GSSAPI
       negotiation a protection mode is negotiated. The RFC1961 says in
       section 4.3/4.4 it should be protected, but the NEC reference
       implementation does not.  If enabled, this option allows the
       unprotected exchange of the protection mode negotiation.


DEFAULT

       ?


PROTOCOLS

       Most


EXAMPLE

       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
         curl_easy_setopt(curl, CURLOPT_PROXY, "socks5://proxy");
         curl_easy_setopt(curl, CURLOPT_SOCKS5_GSSAPI_NEC, 1L);
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }


AVAILABILITY

       Added in 7.19.4


RETURN VALUE

       Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.


SEE ALSO

       CURLOPT_SOCKS5_GSSAPI_SERVICE(3), CURLOPT_PROXY(3),

ibcurl 8.1.2                    April 26, 2023    CURLOPT_SOCKS5_GSSAPI_NEC(3)

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