WebJul 24, 2024 · It turned out that the problem was in lib c-ares (which gives thread-safe DNS resolution in libcurl). Having recompiled libcurl with --enable-threaded-resolver instead, the resolution timeouts stop. I've tried updating to the very latest lib c-ares, and looking on the c-ares forums for similar bugs, but no luck on either front. WebCURLOPT_DNS_SERVERS - DNS servers to use. SYNOPSIS #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_SERVERS, char …
PHP: curl_setopt - Manual
CURLOPT_DNS_SERVERS - DNS servers to use Synopsis #include 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] … See more 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 … See more 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 See more Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, CURLE_NOT_BUILT_IN if support was disabled at … See more WebCURLOPT_DNS_SHUFFLE_ADDRESSES - shuffle IP addresses for hostname Synopsis #include CURLcode curl_easy_setopt (CURL *handle, CURLOPT_DNS_SHUFFLE_ADDRESSES, long onoff); Description When a name is resolved and more than one IP address is returned, shuffle the order of all returned … imperfect er ir verbs
dns - What is different between CURLOPT_DNS_SERVERS …
WebJun 6, 2013 · You may want to consider taking DNS out of the hands of curl and running your own local caching, resolver. You can set CURLOPT_DNS_USE_GLOBAL_CACHE … WebCURLOPT_DNS_LOCAL_IP4 - IPv4 address to bind DNS resolves to Synopsis. #include CURLcode curl_easy_setopt(CURL *handle, … WebBind name resolves to this IP6 address. See \fICURLOPT_DNS_LOCAL_IP6(3)\fP.IP CURLOPT_DNS_SERVERS: Preferred DNS servers. See \fICURLOPT_DNS_SERVERS(3)\fP.IP CURLOPT_DNS_SHUFFLE_ADDRESSES: Shuffle addresses before use. See \fICURLOPT_DNS_SHUFFLE_ADDRESSES(3)\fP.IP … imperfect family foundation