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Re: Lookup zip by IP address [message #172936 is a reply to message #172931] Sat, 12 March 2011 13:16 Go to previous messageGo to previous message
Jerry Stuckle is currently offline  Jerry Stuckle
Messages: 2598
Registered: September 2010
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On 3/12/2011 2:32 AM, D. Stussy wrote:
> "Jerry Stuckle"<jstucklex(at)attglobal(dot)net> wrote in message
> news:ileocv$pkg$1(at)news(dot)eternal-september(dot)org...
>> On 3/11/2011 8:57 PM, Thomas 'PointedEars' Lahn wrote:
>>> Twayne wrote:
>>>
>>>> Captain Paralytic<paul_lautman(at)yahoo(dot)com> typed:
>>>> > No you are totally wrong. You do get the IP of the user,
>>>> > but it will be registered to the ISP's address.
>>>>
>>>> Umm, the IP changes often, [.]
>>>
>>> To my knowledge, it has only changed once within the last 30 years. I
> would
>>> not call that often.
>>>
>>>
>>> PointedEars
>>
>> IP addresses can change as often as every transmission, or as seldom as
>> almost never. They are not reliable.
>
> Every transmission: No.
> Every SESSION: Yes.
>
> One cannot have TCP sessions when it changes every transmission.
>
>

TCP does not have "sessions" - those are instituted by higher layers on
the protocol, and are independent of the IP address.

--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================
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