Research paper evaluating abuse observed through a controlled honeypot hosted as a Tor onion service.
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Open-source scanner for auditing onion-service metadata and operational security.
Python package that queries several search engines to find indexed Tor onion pages.
Official community forum for Tor users, relay operators, developers and onion-service administrators.
Technical specifications for Tor protocols, directory formats and onion-service behavior.
Twisted-based Python library for controlling Tor and building onion-service applications.
Tor add-on that helps onion-service operators reduce guard-discovery and related attacks.
Official Tor service distributing bridge relay addresses to users facing network blocking.
Historical lookup showing whether an IP address appeared as a Tor relay on a specified date.
Public-health research measuring harmful-content availability and searches on the Tor network.
Official interface for exploring public Tor relay and bridge metadata from Onionoo.
Tor Project hub for technical reports, open research questions, datasets and research safety guidance.