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Redirect USA traffic away from a website

Posted on 2006-06-26
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Last Modified: 2012-06-21
Is there a way to redirect traffic away from a site depending on whether it is coming from the USA or elsewhere?

The reason I ask is because we have a worldwide webside and a USA website. When USA people attempt to view the worldwide website they should actually be taken to the USA website instead. Google does this depending on which country you are requesting the page from.

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Question by:craigdev
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by:Harisha M G
ID: 16988503
Hi,

You need to check the IP address of the user. Typically this can be done using the server-side language like ASP, PHP etc.

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Harish
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by:craigdev
ID: 16988529
our CMS is php

What would you check the IP address against?
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by:Harisha M G
Harisha M G earned 150 total points
ID: 16988562
craigdev, each country will have a set of numbers as the first/second octet of the IP address. You need to check whether that IP belongs to USA and redirect using header() if it doesn't.

$_SERVER['REMOTE_ADDR'] tells you the IP address of the user
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by:Autogard
Autogard earned 150 total points
ID: 16988648
This is something that is quite difficult to do, even given the IP address, but you can get pretty close:

http://www.daniweb.com/techtalkforums/thread47999.html
http://www.hostip.info/
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EddieShipman earned 200 total points
ID: 17009864
Those techniques don't always work because the user's ISP may also
have his IP range registered in another country.

Unless ICANN renumbers all IP addresses in ranges for specific countries, like
radio station call letters or airplane registration numbers, it isn't going to
be reliable.
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by:Autogard
ID: 17009894
I agree, hence the "quite difficult to do" ... "but you can get pretty close".  :)
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