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[tor-relays] Re: Circuit-building DoS wave: 20x peak, 8x sustained circuits on guard relays since Jun 25
- To: tor-relays@xxxxxxxxxxxxxxxxxxxx
- Subject: [tor-relays] Re: Circuit-building DoS wave: 20x peak, 8x sustained circuits on guard relays since Jun 25
- From: Toralf Förster via tor-relays <tor-relays@xxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 27 Jul 2026 18:56:11 +0200
- Cc: Toralf Förster <toralf.foerster@xxxxxx>
- In-reply-to: <178511928872.636497.7553642773057516822@lists-01.torproject.org>
- List-id: "support and questions about running Tor relays (exit, non-exit, bridge)" <tor-relays.lists.torproject.org>
- References: <4e1ebcb4-f02d-4d8d-92c4-2c7f6282dddd@gmx.de> <178511928872.636497.7553642773057516822@lists-01.torproject.org>
- Reply-to: "support and questions about running Tor relays (exit, non-exit, bridge)" <tor-relays@xxxxxxxxxxxxxxxxxxxx>
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- User-agent: Mozilla Thunderbird
On 27/07/2026 04:28, forest-relay-contact--- via tor-relays wrote:
There seem to be no false positives as the chances that multiple people
in the same /24 would be using me as their guard and all restarting Tor
within the same few minutes is very low.
Blocking a /24 subnet blocks up to 253 victims (Tor clients, Tor bridges
etc, somethg else) if 1 malicious user is able to place a relay there.
--
Toralf
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