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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.ex-
       ample.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 enclos-
       ing brackets:

       "example.com,::1,localhost"

       Since 7.86.0, IP	addresses specified to this option can be provided us-
       ing 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.

       Using this option multiple times	makes the last set string override the
       previous	ones. Set it to	NULL to	disable	its use	again.

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
       This functionality affects all supported	protocols

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	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_PROXYAUTH(3), CURLOPT_PROXYTYPE(3)

libcurl				  2025-06-03		    CURLOPT_NOPROXY(3)

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