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Re: excluding an ip from count [message #183332 is a reply to message #183321]

Sun, 20 October 2013 18:23

Denis McMahon
Messages: 634
Registered: September 2010

Karma:

Senior Member

On Sun, 20 Oct 2013 09:41:43 -0700, Evan Platt wrote:

> On Sun, 20 Oct 2013 10:32:12 -0400, Jerry Stuckle
> <jstucklex(at)attglobal(dot)net> wrote:
>
>> You don't know how NAT works, that's for sure.
>
> Yes, actually, I do.
>
>>> Run an ipconfig on each of these office computers and tell me they
>>> each list the public IP.

>> That is not the public IP. That is the private IP on my LAN. But you
>> obviously don't understand the difference.

> Exactly my point. Each of your computers does NOT have the same public
> IP.

Evan, you seem to be conflating the term "public ip" and "private ip".

The definitions as I understand them:

Public IP: The IP you present to the rest of the internet, for example,
the ip address that an edge router at isp-x would see a packet as
originating from when it arrives from your non isp-x connected origin
system.

Private IP: An internal IP address used on a network separated from the
public internet by routers performing network address translation, such
that any computer external to that network sees all traffic from
computers within that network as originating from a single public ip
address, or possibly a small set of public ip addresses.

So a 192.168.x.x address would be a private IP address, not a public ip
address. When bullis is in his hotel room in vegas with his blow up sheep
and they're all using the hotel's wifi, they would normally all have
private ips on the hotels private network, which through NAT would give
them all the same public ip which I would see in my logs if they were
accessing pictures of lolcats on my apache web server in the UK.

(Note - I don't actually have a collection of lolcat pics on my server!)

--
Denis McMahon, denismfmcmahon(at)gmail(dot)com

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[Message index]

		excluding an ip from count By: Mr Oldies on Tue, 15 October 2013 23:38
		Re: excluding an ip from count By: Beauregard T. Shagnas on Wed, 16 October 2013 00:17
		Re: excluding an ip from count By: Tobiah on Wed, 16 October 2013 16:44
		Re: excluding an ip from count By: Mr Oldies on Wed, 16 October 2013 19:38
		Re: excluding an ip from count By: Scott Johnson on Wed, 16 October 2013 22:40
		Re: excluding an ip from count By: Tobiah on Fri, 18 October 2013 18:29
		Re: excluding an ip from count By: Scott Johnson on Fri, 18 October 2013 23:14
		Re: excluding an ip from count By: Evan Platt on Sat, 19 October 2013 15:06
		Re: excluding an ip from count By: Lew Pitcher on Sat, 19 October 2013 15:34
		Re: excluding an ip from count By: Denis McMahon on Sat, 19 October 2013 23:23
		Re: excluding an ip from count By: Mr Oldies on Sat, 19 October 2013 23:52
		Re: excluding an ip from count By: Jerry Stuckle on Sun, 20 October 2013 02:31
		Re: excluding an ip from count By: Evan Platt on Sun, 20 October 2013 05:24
		Re: excluding an ip from count By: Jerry Stuckle on Sun, 20 October 2013 13:13
		Re: excluding an ip from count By: Evan Platt on Sun, 20 October 2013 13:52
		Re: excluding an ip from count By: Jerry Stuckle on Sun, 20 October 2013 14:32
		Re: excluding an ip from count By: Evan Platt on Sun, 20 October 2013 16:41
		Re: excluding an ip from count By: Denis McMahon on Sun, 20 October 2013 18:23
		Re: excluding an ip from count By: Jerry Stuckle on Mon, 21 October 2013 01:04
		Re: excluding an ip from count By: Evan Platt on Mon, 21 October 2013 05:56
		Re: excluding an ip from count By: Jerry Stuckle on Mon, 21 October 2013 07:32
		Re: excluding an ip from count By: Arno Welzel on Mon, 21 October 2013 09:54
		Re: excluding an ip from count By: Tim Streater on Mon, 21 October 2013 10:06
		Re: excluding an ip from count By: Jerry Stuckle on Mon, 21 October 2013 12:05
		Re: excluding an ip from count By: Denis McMahon on Sun, 20 October 2013 18:14
		Re: excluding an ip from count By: Tim Streater on Sun, 20 October 2013 21:24
		Re: excluding an ip from count By: Denis McMahon on Mon, 21 October 2013 18:30
		Re: excluding an ip from count By: Denis McMahon on Mon, 21 October 2013 18:34
		Re: excluding an ip from count By: Evan Platt on Sun, 20 October 2013 06:02
		Re: excluding an ip from count By: Lew Pitcher on Sun, 20 October 2013 14:12
		Re: excluding an ip from count By: Evan Platt on Sun, 20 October 2013 16:43
		Re: excluding an ip from count By: Jerry Stuckle on Mon, 21 October 2013 01:05
		Re: excluding an ip from count By: Denis McMahon on Sun, 20 October 2013 18:07
		Re: excluding an ip from count By: Lew Pitcher on Sun, 20 October 2013 14:08
		Re: excluding an ip from count By: The Natural Philosoph on Sat, 19 October 2013 17:44
		Re: excluding an ip from count By: Richard Yates on Sat, 19 October 2013 21:50
		Re: excluding an ip from count By: The Natural Philosoph on Sat, 19 October 2013 22:37
		Re: excluding an ip from count By: Richard Yates on Sat, 19 October 2013 21:52
		Re: excluding an ip from count By: Scott Johnson on Sun, 20 October 2013 18:37
		Re: excluding an ip from count By: Arno Welzel on Sun, 20 October 2013 14:56

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