#28367: RFE additional DOS mitigations for exits --------------------------+---------------------------------- Reporter: starlight | Owner: (none) Type: enhancement | Status: closed Priority: Medium | Milestone: Tor: unspecified Component: Core Tor/Tor | Version: Tor: unspecified Severity: Normal | Resolution: duplicate Keywords: tor-dos | Actual Points: Parent ID: #24797 | Points: Reviewer: | Sponsor: --------------------------+----------------------------------
Comment (by starlight): Another point to think about is rate limiting of connections. Scanners generally operate by extending a number of circuits to an exit and then rapidly opening streams / edge_connections on each, so an effective way to mitigate this form of behavior is to have a rate limit that curtails or kills circuits that rapidly initiate connections while leaving calmer circuits untouched. The first priority flesh-and-blood users who brows the web can continue unharassed while bots get squelched. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28367#comment:4> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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