I'm new to Tor, So I read the Short User Manual here

I found this image in the link above, I understand Tor on my local machine encrypts everything thrice, what about the return path? Does the exit node encrypt thrice and the everything in the path does everything in reverse of this picture?

enter image description here

1 Answer 1


Yes. The circuit you established to make the initial request is also used for the response. And it does use layers of encryption on the return path the same way as the request.

  • 1
    The image on the first post, and the one in "onion routing" wikipedia page, show layers only from client to destination server via 3 nodes... but not the reverse path, so if another image is made to show the return path encryption layers, it will be useful to beginers. Thanks.
    – user1552
    Commented Apr 15, 2014 at 12:41
  • 1
    The image on the first post and elsewhere shows bidirectional tunnels. It is both the out path and the back path.
    – rdump
    Commented Apr 15, 2014 at 18:50

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .