CURLOPT_LOCALPORT (3) Linux Manual Page

CURLOPT_LOCALPORT – set local port number to use for socket

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_LOCALPORT, long port);

Description

Pass a long. This sets the local port number of the socket used for the connection. This can be used in combination with CURLOPT_INTERFACE(3) and you are recommended to use CURLOPT_LOCALPORTRANGE(3) as well when this option is set. Valid port numbers are 1 – 65535.

Default

0, disabled – use whatever the system thinks is fine

Protocols

All

Example

TODO

Availability

Added in 7.15.2

Return Value

Returns CURLE_OK