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how to offer Internet connection?

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  how to offer Internet connection? Long Wind <longwind2@yahoo.com> - 2018-02-20 07:40 +0100
    Re: how to offer Internet connection? john doe <johndoe65534@mail.com> - 2018-02-20 08:00 +0100
      Re: how to offer Internet connection? Jude DaShiell <jdashiel@panix.com> - 2018-02-20 13:00 +0100
        Re: how to offer Internet connection? john doe <johndoe65534@mail.com> - 2018-02-20 15:50 +0100
          Re: how to offer Internet connection? rhkramer@gmail.com - 2018-02-20 16:00 +0100
          Re: how to offer Internet connection? Gene Heskett <gheskett@shentel.net> - 2018-02-20 18:30 +0100
    Re: how to offer Internet connection? "Michelle Konzack" <linux4michelle@tamay-dogan.net> - 2018-02-20 08:20 +0100
    Re: how to offer Internet connection? David Wright <deblis@lionunicorn.co.uk> - 2018-02-20 16:00 +0100

#192744 — how to offer Internet connection?

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i have a debian pc that is on 2 networks:
1) connected to cell phone access point, cell phone offers Internet connection2) connected to router, thru ethernet interface
is it possilble for debian pc to offer Internet connection to other pc connected to router?
Thanks!
PS: other pc don't have wireless card and can't connect to cell phone

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#192745

On 2/20/2018 7:30 AM, Long Wind wrote:
> i have a debian pc that is on 2 networks:
> 1) connected to cell phone access point, cell phone offers Internet connection2) connected to router, thru ethernet interface
> is it possilble for debian pc to offer Internet connection to other pc connected to router?
> Thanks!
> PS: other pc don't have wireless card and can't connect to cell phone
> 

I'm not sure I understand your question:

So you have one Debian box with two internet connections (cellphone AP, 
and wired connection to router)?
If so that Debian box would need to act as a router to share those 
internet connections to the rest of your network.

-- 
John Doe

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#192764

What is it, packet forwarding and nat?  I've heard about that but never 
had occassion to try that myself before.

On Tue, 20 Feb 2018, john doe wrote:

> Date: Tue, 20 Feb 2018 01:54:19
> From: john doe <johndoe65534@mail.com>
> To: debian-user@lists.debian.org
> Subject: Re: how to offer Internet connection?
> Resent-Date: Tue, 20 Feb 2018 06:54:43 +0000 (UTC)
> Resent-From: debian-user@lists.debian.org
> 
> On 2/20/2018 7:30 AM, Long Wind wrote:
>>  i have a debian pc that is on 2 networks:
>>  1) connected to cell phone access point, cell phone offers Internet
>>  connection2) connected to router, thru ethernet interface
>>  is it possilble for debian pc to offer Internet connection to other pc
>>  connected to router?
>>  Thanks!
>>  PS: other pc don't have wireless card and can't connect to cell phone
>> 
>
> I'm not sure I understand your question:
>
> So you have one Debian box with two internet connections (cellphone AP, and 
> wired connection to router)?
> If so that Debian box would need to act as a router to share those internet 
> connections to the rest of your network.
>
>

-- 

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#192770

On 2/20/2018 12:58 PM, Jude DaShiell wrote:
> What is it, packet forwarding and nat?  I've heard about that but never 
> had occassion to try that myself before.
> 

 From a Google search:

https://en.wikipedia.org/wiki/Network_address_translation

https://unix.stackexchange.com/questions/14056/what-is-kernel-ip-forwarding

The URLs might be folded by my mailer.

-- 
John Doe

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#192774

On Tuesday, February 20, 2018 09:45:15 AM john doe wrote:
> https://en.wikipedia.org/wiki/Network_address_translation
> 
> https://unix.stackexchange.com/questions/14056/what-is-kernel-ip-forwarding
> 
> The URLs might be folded by my mailer.

I guess it is my day to make extraneous comments: It is a shame that "fold" 
has two meanings very relevant to computers and text.  I prefer to use 
"wrapped" for what you are concerned about, I reserve folded for what happens 
in an editor with what Microsoft would call collapsible outlining (and is 
typically called folding in the *nix editing world).

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#192777

On Tuesday 20 February 2018 09:45:15 john doe wrote:

> On 2/20/2018 12:58 PM, Jude DaShiell wrote:
> > What is it, packet forwarding and nat?  I've heard about that but
> > never had occassion to try that myself before.
>
>  From a Google search:
>
> https://en.wikipedia.org/wiki/Network_address_translation
>
Piece of cake for a router thats been reflashed with dd-wrt or similar.

That translation can be restricted to a single "port" address, which is 
why you can see my web page, on this machine, at an odd port address if 
you click on the link in the sig.

This is of course dependent on having a fixed ip, and mine is somehow 
derived from the mac address of my router, so if I should have to change 
routers, that would change until such time as I clone this mac address 
into the other router, at which point the routers reboot gives me back 
the old address and my registered domain name once again works, if the 
other router also does this port forwarding.

> https://unix.stackexchange.com/questions/14056/what-is-kernel-ip-forwa
>rding
>
> The URLs might be folded by my mailer.



-- 
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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#192746

Hi,

Am 2018-02-19 hackte Long Wind in die Tasten:
> i have a debian pc that is on 2 networks:
> 1) connected to cell phone access point, cell phone offers Internet
> connection
> 2) connected to router, thru ethernet interface
> is it possilble for debian pc to offer Internet connection to other pc
> connected to router?

Sound complicate and   expensive, because your Debian PC must
be equiped with other ethernet interfaces and then you have to
configure your Debian PC as Router...

Better to go to an IT shop of your choise and buy an Ethernet
Switch for 20 Euro...

> Thanks!
> PS: other pc don't have wireless card and can't connect to cell phone

Have a nice day

-- 
Michelle Konzack        Miila ITSystems @ TDnet
GNU/Linux Developer     00372-54541400

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#192772

On Tue 20 Feb 2018 at 06:30:11 (+0000), Long Wind wrote:
> i have a debian pc that is on 2 networks:
> 1) connected to cell phone access point, cell phone offers Internet connection2) connected to router, thru ethernet interface
> is it possilble for debian pc to offer Internet connection to other pc connected to router?
> Thanks!
> PS: other pc don't have wireless card and can't connect to cell phone

When you ask a question like this, it would help if you also
told people some relevant information about the devices you
want to connect. For example:

Does the router have other devices connected to it?
Does the router have unconnected LAN ports?
Does the router have wireless?
What's connected to the WAN side of the router?
Does the Debian PC have a spare ethernet port?
Does the Debian PC have a slot free for a cheap card?
What interfaces does the Other PC have, if any?

Knowing the answers to questions like these would make it possible to
suggest solutions. Otherwise we're left guessing.

You might:
use a cheap wireless dongle for the Other PC
(I did that for an old PC with busted wireless)
or:
CAT5 connect the 2 PCs with PtP and masquerade a connection
(I did that 10 years ago before buying new router with free dongle included)
or:
Cat5 the Other PC to the router
(I've never tried using a router like that)

Generally speaking, if there are "wires", then you can do it, even
through the Serial or Parallel Ports.

Cheers,
David.

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