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Re: PHP socket and NAT [message #177135 is a reply to message #177128]

Thu, 23 February 2012 13:37

Erwin Moller
Messages: 228
Registered: September 2010

Karma:

Senior Member

On 2/23/2012 2:09 PM, sl@exabyte wrote:
>>
>> I'm assuming you're talking about talking to two people on a remote
>> LAN, and that LAN uses NAT to connect to the internet.
>>
>> The first question is - who's connecting to whom?
>>
>> If the remote systems are connecting to you, then there's no problem.
>> However, if you are trying to connect to them, there's a lot more work
>> involved. The router must be set up with port forwarding and you have
>> to connect to the correct port to forward to the proper machine.
>>
>> You can find more information in a TCP/IP newsgroup.
>
> I am thinking of the scenario where I am talking to 2 persons via the
> internet, and these 2 persons are in the same LAN, something like chatting.
> So the problem in my mind is that these 2 persons have the same IP.

You don't have to worry about that.
On the same LAN you will have a problem when 2 persons have the same IP
address.
It is forbidden and the Bit-police will find you and throw you into the
Valley of the Lost Bits!

I think you better tell us exactly what your situation is and how these
clients are connected (VPN? Internet? Plain LAN?).
It is a little confusing (for me) you keep talking about the internet
and LAN as if they are interchangeable.
You CAN set up a LAN that connects remote locations and make them act as
if they were in the same physical location/LAN, but then you still
cannot have 2 identical IP address.

Regards,
Erwin Moller

>
> Thanks.
>
>

--
"That which can be asserted without evidence, can be dismissed without
evidence."
-- Christopher Hitchens

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[Message index]

		PHP socket and NAT By: SL on Thu, 23 February 2012 08:58
		Re: PHP socket and NAT By: Erwin Moller on Thu, 23 February 2012 10:32
		Re: PHP socket and NAT By: Captain Paralytic on Thu, 23 February 2012 10:41
		Re: PHP socket and NAT By: Erwin Moller on Thu, 23 February 2012 10:53
		Re: PHP socket and NAT By: Erwin Moller on Thu, 23 February 2012 10:52
		Re: PHP socket and NAT By: SL on Thu, 23 February 2012 13:04
		Re: PHP socket and NAT By: The Natural Philosoph on Thu, 23 February 2012 13:37
		Re: PHP socket and NAT By: The Natural Philosoph on Thu, 23 February 2012 11:40
		Re: PHP socket and NAT By: Jerry Stuckle on Thu, 23 February 2012 13:00
		Re: PHP socket and NAT By: SL on Thu, 23 February 2012 13:09
		Re: PHP socket and NAT By: Captain Paralytic on Thu, 23 February 2012 13:19
		Re: PHP socket and NAT By: The Natural Philosoph on Thu, 23 February 2012 13:53
		Re: PHP socket and NAT By: Captain Paralytic on Thu, 23 February 2012 14:25
		Re: PHP socket and NAT By: Michael Fesser on Thu, 23 February 2012 17:28
		Re: PHP socket and NAT By: The Natural Philosoph on Thu, 23 February 2012 20:42
		Re: PHP socket and NAT By: M. Strobel on Fri, 24 February 2012 10:58
		Re: PHP socket and NAT By: SL on Thu, 23 February 2012 16:03
		Re: PHP socket and NAT By: The Natural Philosoph on Thu, 23 February 2012 20:44
		Re: PHP socket and NAT By: M. Strobel on Fri, 24 February 2012 11:07
		Re: PHP socket and NAT By: The Natural Philosoph on Fri, 24 February 2012 13:22
		Re: PHP socket and NAT By: Tim Streater on Fri, 24 February 2012 14:20
		Re: PHP socket and NAT By: The Natural Philosoph on Fri, 24 February 2012 15:39
		Re: PHP socket and NAT By: Tim Streater on Fri, 24 February 2012 18:53
		Re: PHP socket and NAT By: The Natural Philosoph on Fri, 24 February 2012 21:04
		Re: PHP socket and NAT By: Tim Streater on Fri, 24 February 2012 21:41
		Re: PHP socket and NAT By: Peter H. Coffin on Sun, 26 February 2012 18:50
		Re: PHP socket and NAT By: Erwin Moller on Thu, 23 February 2012 13:37
		Re: PHP socket and NAT By: The Natural Philosoph on Thu, 23 February 2012 13:50

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