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Re: Obtain the real public IP address of mine with curl when using the socks5 proxy to access the corresponding api.

From: Dan Fandrich via curl-users <>
Date: Sun, 24 Jan 2021 18:10:53 -0800

On Mon, Jan 25, 2021 at 09:03:50AM +0800, Hongyi Zhao via curl-users wrote:
> On Mon, Jan 25, 2021 at 12:54 AM Dan Fandrich via curl-users
> <> wrote:
> > On Sun, Jan 24, 2021 at 11:05:38PM +0800, Hongyi Zhao via curl-users wrote:
> > > $ curl
> > >
> > > $ curl -x socks5://
> > >
> > >
> > > I want to know if I still can obtain my real public IP address with
> > > curl even using the socks5 proxy to access the corresponding API. Is
> > > this possible?
> >
> > What do you mean "real" IP address?
> I mean the public but dynamic IP address my ISP assigned to me.

The first curl command you list above should be giving you that already.
Isn't it?

> For my scenario, from one of my intranet machine, I want to do DDNS,
> which will update the A record of my domain name on the remote DNS
> server using the public dynamic IP address on my router.

Some DDNS providers do this automatically for you. When you send a request to
update the dynamic address and don't explicitly provide a new address, it will
use whatever address the request is coming on.

This discussion isn't really about curl, though.

Received on 2021-01-25