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Re: [tor-talk] IPv6 /48 for OnionCat



On 08/28/2016 05:41 AM, Bernhard R. Fischer wrote:
> On 2016-08-28 08:04, Mirimir wrote:
>> I see in the OnionCat wiki:[0]
>>
>> | We map every unique .onion URL to a unique IPv6 address in
>> | deterministic reversible manner. ... We generated the static
>> | IPv6 prefix FD87:D87E:EB43::/48 according to ​RFC4193 ... Now
>> | we can map e.g. 5wyqrzbvrdsumnok.onion directly to
>> | FD87:D87E:EB43:edb1:8e4:3588:e546:35ca.
>>
>> Is it possible to specify a different /48? I understand that would break
>> routing from stock OnionCat. But that's actually the goal. Could one
>> perhaps tweak the source?
>>
>> [0] https://www.cypherpunk.at/onioncat_trac/wiki/OnionCat
>>
> 
> 
> Hi!
> 
> Yes, you can specify a different network prefix. But be aware, that this
> would break routing with other OnionCats, i.e. you'll create your own
> private network.
> 
> The prefix is defined hard-coded as the cpp macro TOR_PREFIX in
> ocat_netdesc.h. Just modify it up to your needs an recompile it.
> 
> Regards,
> Bernhard

Thank you.

As I understand it, all that matters is using a /48 that won't be
provisioned by ISPs. In case it hits the public Internet. Right?

And I could configure onion services to route among multiple /48
networks, yes?

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