[Geowanking] IP geolocation

[Krishan Sharma]

I hope one day this can genrate a dizital map too?

On 4/18/06, James Muir <jamuir at scs.carleton.ca> wrote:
>
> those on the list with an interest in geolocating internet users and/or
> devices may be interested in the following:
>
> %%%%%%%%
> title:  Internet Geolocation and Evasion
>
> http://www.ccsl.carleton.ca/~jamuir/papers/TR-06-05.pdf
> http://www.scs.carleton.ca/research/tech_reports/2006/
>
> abstract:
>
> Internet geolocation technology (IP geolocation) aims to determine the
> physical (geographic) location of Internet users and devices. It is
> currently proposed or in use for a wide variety of purposes, including
> targeted marketing, restricting digital content sales to authorized
> jurisdictions, and security applications such as reducing credit card
> fraud. This raises questions about the veracity of claims of accurate
> and reliable geolocation, and the ability to evade geolocation. We begin
> with a state-of-the-art survey of IP geolocation techniques and
> limitations, and examine the specific problems of (1) approximating a
> physical location from an IP address; and (2) approximating the physical
> location of an end client requesting content from a web server. In
> contrast to previous work, we consider also an adversarial model: a
> knowledgeable adversary seeking to evade geolocation. Our survey serves
> as the basis from which we examine tactics useful for
> evasion/circumvention. The adversarial model leads us to also consider
> the difficulty of (3) extracting the IP address of an end client
> visiting a server. As a side-result, in exploring the use of proxy
> servers as an evasionary tactic, to our surprise we found that we were
> able to extract an end-client IP address even for a browser protected by
> Tor/Privoxy (designed to anonymize browsing), provided Java is enabled.
> We expect our work to stimulate further open research and analysis of
> techniques for accurate and reliable IP geolocation, and also for
> evasion thereof. Our work is a small step towards a better understanding
> of what can, and cannot, be reliably hidden or discovered about IP
> addresses and physical locations of Internet users and machines.
> %%%%%%%%%
>
> any comments are welcome.
>
> -James
>
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>



--




Thanks & regards,
*********************
With best wishes,
Krishan Sharma, Ph.D. (USA)
www.gisextechnologies.com
Mobile: 987-029-4791

" My Excellence You Can Map"
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