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I want to run 2 (or more) tor instances on the same machine each one on different port,but i want to make sure that those 2 instance will never have the same exit node or ip at the same time

i am thinking of using ExitNodes node,node,… in torrc file,but i don't know how to choose unique nodes for each instance (without the country )

for example ExitNodes 1,2,3,4,.....,100 for the first instance

and ExitNodes 100,101,102,.....200 for the second one

i can't find any informations about the fingerprints of nodes,only the country codes

why doesn't tor identify each node with a unique id

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  • FYI the anonymity analysis of tor depends heavily on all clients building circuits using the same algorithms. If you are building circuits in a different way than other people, this could theoretically be used to deanonymize you.
    – nullUser
    Commented Mar 5, 2015 at 16:15
  • i am just looking to get different exit nodes for each instance
    – stuck
    Commented Mar 5, 2015 at 18:59

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Tor does indeed identify each node with a unique ID, which is called finerprint.

You can get the fingerprints of some exit nodes via Globe. Currently, the limit of results is set to 50, so you'd have to use finer queries if you want more exit nodes.

You can then use these fingerprints with the ExitNodes entry in the torrc of one tor instance and block them with the ExcludeExitNodes entry in the other torrc.

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  • ok thank you,and how many instant can i connect to from 1 ip adress ? is it true that it is limited only to 2 connections per ip ? or it is unlimited
    – stuck
    Commented Mar 6, 2015 at 19:14
  • afaik, you can run as many clients as you want on a given IP. The limit is only for relays.
    – BrokenPhysics
    Commented Mar 7, 2015 at 9:02

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