I'm looking for technical details of tor's infrastructure. I did a little search but couldn't find anything special except https://www.torproject.org/about/overview.html.en which is not very in detail

2 Answers 2


You can find Tor's design document and actual specifications on the documentations page, like the main specification , the dir specification and others.

  • thank you,these documentation are like RFCs. takes long time to read them :D
    – Saber.T
    Nov 21, 2013 at 18:03

Tech specs are hosted in git repositories, along with other Tor projects: https://gitweb.torproject.org

The specs repo: https://gitweb.torproject.org/torspec.git/tree

The Tor Protocol Specification: https://gitweb.torproject.org/torspec.git/blob/HEAD:/tor-spec.txt

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