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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.

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From: Hongyi Zhao via curl-users <curl-users_at_cool.haxx.se>
Date: Mon, 25 Jan 2021 10:27:49 +0800

On Mon, Jan 25, 2021 at 10:18 AM Dan Fandrich via curl-users
<curl-users_at_cool.haxx.se> wrote:
>
> 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
> > <curl-users_at_cool.haxx.se> wrote:
> > > On Sun, Jan 24, 2021 at 11:05:38PM +0800, Hongyi Zhao via curl-users wrote:
> > > > $ curl https://api.ipify.org/
> > > > 106.9.179.116
> > > > $ curl -x socks5://127.0.0.1:18888 https://api.ipify.org
> > > > 103.138.74.44
> > > >
> > > > 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?

Yes, but sometimes I maybe not directly access the API's URL while
through socks5 proxy does.

>
> > 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.
>
> Dan
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-- 
Assoc. Prof. Hongyi Zhao <hongyi.zhao_at_gmail.com>
Theory and Simulation of Materials
Hebei Polytechnic University of Science and Technology engineering
NO. 552 North Gangtie Road, Xingtai, China
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Received on 2021-01-25

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