.\" generated by cd2nroff 0.1 from CURLOPT_SOCKS5_GSSAPI_NEC.md
.TH CURLOPT_SOCKS5_GSSAPI_NEC 3 "2024-11-07" libcurl
.SH NAME
CURLOPT_SOCKS5_GSSAPI_NEC \- SOCKS proxy GSSAPI negotiation protection
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKS5_GSSAPI_NEC, long nec);
.fi
.SH 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 RFC 1961 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.
.SH DEFAULT
?
.SH PROTOCOLS
This functionality affects all supported protocols
.SH EXAMPLE
.nf
int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    CURLcode res;
    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);
    res = curl_easy_perform(curl);
    curl_easy_cleanup(curl);
  }
}
.fi
.SH AVAILABILITY
Added in curl 7.19.4
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH SEE ALSO
.BR CURLOPT_PROXY (3),
.BR CURLOPT_PROXY_SERVICE_NAME (3)