On 5/26/2022 10:37 AM, Александр Карелин via curl-library wrote: > I have one issue when use curl. After performing a http request I call > method curl_easy_get info with second parameter CURLINFI_LOCAL_IP. And > every time I get 127.0.0.1 as a result, but my server is on another > machine with n network. How can it be possible? > > And another related question: > What is the main difference between CURLINFI_LOCAL_IP > and CURLINFI_PRIMARY_IP parameter?
Try the latest libcurl if you haven't already. Internally Curl_conninfo_local [1] calls your socket library's getsockname to retrieve the local ip. CURLINFO_LOCAL_IP [2] is used to retrieve the local address and CURLINFO_PRIMARY_IP [3] is used to retrieve the remote address. I don't know why you are seeing 127.0.0.1 as a local address if the remote address is another machine. The only way I can think of it happening is if the remote machine redirected back to your machine. I doubt it's a bug in curl. [1]: https://github.com/curl/curl/blob/curl-7_83_1/lib/connect.c#L718-L747 [2]: https://curl.se/libcurl/c/CURLINFO_LOCAL_IP.html [3]: https://curl.se/libcurl/c/CURLINFO_PRIMARY_IP.html
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