07-23-2013
UDP cannot 'accept' connections. It simply has no way to tell that it's failing, it happily throws messages into a black hole.
The device obviously expects TCP if you're supposed to use telnet.
You have verified the IP address, can you verify the port too?
Last edited by Corona688; 07-23-2013 at 02:27 PM..
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LEARN ABOUT MOJAVE
curlopt_dns_servers
CURLOPT_DNS_SERVERS(3) curl_easy_setopt options CURLOPT_DNS_SERVERS(3)
NAME
CURLOPT_DNS_SERVERS - set preferred DNS servers
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_SERVERS, char *servers);
DESCRIPTION
Pass a char * that is the list of DNS servers to be used instead of the system default. The format of the dns servers option is:
host[:port][,host[:port]]...
For example:
192.168.1.100,192.168.1.101,3.4.5.6
The application does not have to keep the string around after setting this option.
DEFAULT
NULL - use system default
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
This option requires that libcurl was built with a resolver backend that supports this operation. The c-ares backend is the only such one.
Added in 7.24.0
RETURN VALUE
Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, CURLE_NOT_BUILT_IN if support was disabled at compile-time,
CURLE_BAD_FUNCTION_ARGUMENT when given an invalid server list, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.
SEE ALSO
CURLOPT_DNS_LOCAL_IP4(3), CURLOPT_DNS_CACHE_TIMEOUT(3),
libcurl 7.54.0 December 21, 2016 CURLOPT_DNS_SERVERS(3)