CURLOPT_SOCKS5_GSSAPI_NEC explained
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 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.
Default
?
Protocols
This functionality affects all supported protocols
Example
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); } }
Availability
Added in curl 7.19.4
Return value
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
See also
CURLOPT_PROXY(3), CURLOPT_PROXY_SERVICE_NAME(3)
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