[Dshield] Blocking IP's from Certain Countries

tlarholm@pivx.com tlarholm at pivx.com
Fri Jan 9 19:41:31 GMT 2004

Setting aside the inherent impossibility of preventing any digital
content from being distributed only to certain people and not others,
you could use a DNSBL such as countries.nerd.dk which provide
IP-to-country DNS mapping.



Thor Larholm
Senior Security Researcher
PivX Solutions
24 Corporate Plaza #180
Newport Beach, CA 92660
thor at pivx.com

PivX defines "Proactive Threat Mitigation". Get a FREE Beta Version of

-----Original Message-----
From: mbwior at cox.net [mailto:mbwior at cox.net] 
Sent: Friday, January 09, 2004 8:53 AM
To: list at dshield.org
Subject: [Dshield] Blocking IP's from Certain Countries

Does anyone have an idea as to how I would block out certain countries
from gaining access to my demo server?

The situation is this, we have a demo server that we allow anonymous
users to hook up to and download our software for use on a trial basis. 

However the use of our software does not extend itself to use in other
countries; nor do we want it to go there for reverse engineering and
copyright purposes. 

Any ideas?

Thanks for all help in advance,

Michael Wior
Ipro Tech 


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