[tor-relays] Platform diversity in Tor network [was: OpenBSD doc/TUNING]

[Richard Johnson]

On 2014-12-16 12:05, teor wrote:
>
>> From: Richard Johnson <rdump at river.com>
>> Modify /etc/tor/torrc2, /etc/tor/torrc3, ... so they refer to their
>> appropriate private DataDirectory and PidFile, listen on the appropriate
>> ports and IP addresses, and have the appropriate exit policies. (Remember
>> that the public Tor network will by design ignore more than two relays per
>> IP address.)
>>      DataDirectory /var/tor2
>>      PidFile /var/tor2/pid
>>      ControlPort 9222
>>      Address 10.2.2.2
>>      ORPort 8222
>>      DirPort 7222
>>      ...
>>      DataDirectory /var/tor3
>>      PidFile /var/tor3/pid
>>      ControlPort 9333
>>      Address 10.3.3.3
>>      ORPort 8333
>>      DirPort 7222
>> ...
>
> Why give advice on "tor3" when the current consensus parameter for limit per IP is 2?
> In case someone has an extra IP?
> Or are you hoping we will increase the consensus parameter to 3?


Yes, the example actually uses a unique IP for each relay, and mentions the 
current 2 relays per IP limit.


> I could revive that suggestion, by the way - it stalled as trac #13414 due to concerns with making sybils easier.
> https://trac.torproject.org/projects/tor/ticket/13414
>
> Maybe we could try for 3 per IP?


I don't know enough about potential sybil attacks to advise one way or the 
other there.


Richard