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Re: PHP socket and NAT [message #177150 is a reply to message #177138]

Fri, 24 February 2012 10:58

M. Strobel
Messages: 386
Registered: December 2011

Karma:

Senior Member

Am 23.02.2012 14:53, schrieb The Natural Philosopher:
> Captain Paralytic wrote:
>> On Feb 23, 1:09 pm, "sl@exabyte" <sb5...@hotmail.com> 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.
>
>> No they don't, the local network will not allow it. They will have
>> different IP addresses.
>
> They do as far as the outside world is concerned.
>
> And the network doesn't *disallow* it inside the NAT area either, it simply stops
> things working for those two machines :-)
>
> As anyone who has done it in the olden days of static IP addresses will tell you.
>
> How we sobbed for joy when DHCP on PC's arrived...try managing upwards of 100
> machines on the same LAN..with static IP addresses..

This is easier than setting the dip switches of arcnet NICs to the mac address...

/Str.

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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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