CURLOPT_SOCKS5_GSSAPI_SERVICE(3) Library Functions Manual NAME CURLOPT_SOCKS5_GSSAPI_SERVICE - SOCKS5 proxy authentication service name SYNOPSIS #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKS5_GSSAPI_SERVICE, char *name); DESCRIPTION Deprecated since 7.49.0. Use CURLOPT_PROXY_SERVICE_NAME(3) instead. Pass a char pointer as parameter to a string holding the name of the service. The default service name for a SOCKS5 server is rcmd. This option allows you to change it. The application does not have to keep the string around after setting this option. DEFAULT See above 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_SERVICE, "rcmd-special"); res = curl_easy_perform(curl); curl_easy_cleanup(curl); } } DEPRECATED Deprecated since 7.49.0 AVAILABILITY Added in curl 7.19.4 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_PROXY(3), CURLOPT_PROXYTYPE(3) libcurl 2025-06-04 CURLOPT_SOCKS5_GSSAPI_SERVICE(3)