On 12/04/2018 08:41 AM, Aaron Johnson wrote:
> If you want to keep your onion address hidden, you should run a v3 onion 
> service. An improvement of v3 over v2 is that Hidden Service Directories can 
> no longer identify the onion address of the onion-service descriptors they 
> store. As a result, there is no point in any Tor protocol at which a v3 onion 
> address is leaked to any relay. As long as you keep the address to yourself, 
> noone will be able to find it. For more information about v3 onion services, 
> see <https://trac.torproject.org/projects/tor/wiki/doc/HiddenServiceNames 
> <https://trac.torproject.org/projects/tor/wiki/doc/HiddenServiceNames>>.
> 
> Aaron

That is very cool. But the problem for me is that v3 breaks OnionCat.
There was that sweet matchup between v2 onions and an IPv6 /48.

So is there an efficient way to specify a v2-sized subset of v4 onions?

>> On Dec 3, 2018, at 10:28 PM, Mirimir <miri...@riseup.net> wrote:
>>
>> On 12/03/2018 10:42 PM, Nathaniel Suchy wrote:
>>
>> <SNIP>
>>
>>> You mentioned "HiddenServiceAuthorizeClient", a feature I did not know 
>>> about. I'm going to figure out if this is possible to implement on the SSH 
>>> System as that would solve some concerns about a leaked onion address. 
>>> Could you elaborate a bit more on this functionality?
>>
>> <SNIP>
>>
>> I've just used basic authentication.
>>
>> In the .onion server torrc:
>>
>> $ sudo nano /etc/tor/torrc
>> ...
>> HiddenServiceDir /var/lib/tor/foo
>> HiddenServiceAuthorizeClient basic [16-chracter-string]
>> HiddenServicePort 22 127.0.0.1:22
>> ...
>>
>> $ sudo cat /var/lib/tor/foo/hostname
>> [v2-hostname].onion [22-character-string] # client: [16-chracter-string]
>>
>> The client ID must be 16 alphanumeric characters. Then you use the 22
>> character string in the client torrc.
>>
>> In the client:
>>
>> $ sudo nano /etc/tor/torrc
>> ...
>> HidServAuth [v2-hostname].onion [22-character-string]
>> ...
>> -- 
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