[ipv6hackers] Dynamic prefixes & privacy (was: IPv6 prefix changing)

Owen DeLong owend at he.net
Fri Mar 16 12:41:09 CET 2012


On Mar 16, 2012, at 1:12 AM, Alex List wrote:

> No, actually not. I simply wouldn't like to disclosure my country
> code, city code, and phone number when I'm on the beach and I need to
> call my boss. Of course, I would turn off the GPS just to be sure.
> 
> Or I can call my colleague to call my boss and hope that she'll not
> tell him me where I am. :-)
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In a packet switched world, calling your colleague is available in the form of a variety of anonymizing proxy services.

Not disclosing your country code, city code, and phone number isn't really an option because there would be no way for you to hear your boss and the conversation would be decidedly one-sided.

Of course, that's metaphorical. At the packet level, your own packets wouldn't meaningfully get through because you'd never receive an ACK from the remote.

It is the inherent nature of the way packet switched networks work that you must disclose your origin address to the destination in order for communication to work.

NAT allows some obfuscation in this area, but, at the cost of breaking much of the desirable inherent nature of the internet in the process.

Owen



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