CURLOPT_NOPROXY(3)         Library Functions Manual         CURLOPT_NOPROXY(3)

NAME
       CURLOPT_NOPROXY - disable proxy use for specific hosts

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_NOPROXY, char *noproxy);

DESCRIPTION
       Pass a pointer to a null-terminated string. The string consists of a
       comma separated list of hostnames that do not require a proxy to get
       reached, even if one is specified. The only wildcard available is a
       single * character, which matches all hosts, and effectively disables
       the proxy. Each name in this list is matched as either a domain which
       contains the hostname, or the hostname itself. For example, "ample.com"
       would match ample.com, ample.com:80, and www.ample.com, but not
       www.example.com or ample.com.org.

       Setting the noproxy string to "" (an empty string) explicitly enables
       the proxy for all hostnames, even if there is an environment variable
       set for it.

       Enter IPv6 numerical addresses in the list of hostnames without
       enclosing brackets:

        "example.com,::1,localhost"

       Since 7.86.0, IP addresses specified to this option can be provided
       using CIDR notation: an appended slash and number specifies the number
       of "network bits" out of the address to use in the comparison. For
       example "192.168.0.0/16" would match all addresses starting with
       "192.168".

       The application does not have to keep the string around after setting
       this option.

Environment variables
       If there is an environment variable called no_proxy (or NO_PROXY), it
       is used if the CURLOPT_NOPROXY(3) option is not set. It works exactly
       the same way.

DEFAULT
       NULL

PROTOCOLS
       All

EXAMPLE
       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           /* accept various URLs */
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
           /* use this proxy */
           curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy:80");
           /* ... but make sure this host name is not proxied */
           curl_easy_setopt(curl, CURLOPT_NOPROXY, "www.example.com");
           curl_easy_perform(curl);
         }
       }

AVAILABILITY
       Added in 7.19.4

RETURN VALUE
       Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if
       not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO
       CURLOPT_PROXY(3), CURLOPT_PROXYAUTH(3), CURLOPT_PROXYTYPE(3)

libcurl                          April 26 2024              CURLOPT_NOPROXY(3)