[tor-relays] DoS attack on Tor exit relay

David Poulsen atuaruk at protonmail.com
Wed Jul 31 19:30:21 UTC 2019


Reboot your connected device through hw

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-------- Original Message --------
On 31 Jul 2019, 18.27, Larry Brandt wrote:

> Yes, I have fail2ban installed but the attack is focused on my ORPort 9001.  Similarly, I have an external firewall but it permits 9001 port passage.
>
> Thanks for the thoughts, though,  --potlatch
>
> On 7/31/2019 2:40 AM, TorGate wrote:
>
>> You can install failtoban, have you a extern firewall ?
>>
>> Am 31.07.2019 um 05:14 schrieb potlatch <potlatch at protonmail.com>:
>>
>>> Hello Tor users,
>>> Help me with a problem please.  I have a small exit/backup & directory VPS in Finland [1].  This last week the server (and Tor) have been overwhelmed with non-Tor IP addresses.  This may be a small version of a DoS attack.  I took the server down for a few days but when I restarted it the attack was there before Tor users.  Eventually, the load caused kernal crash.
>>> I noticed this last week, that my Consensus Weight had dropped from 5500 to 68.
>>> Does anyone have an efficient way to defeat this ongoing attack?
>>> --potlatch
>>>
>>> [1]   9B31F1F1C1554F9FFB3455911F82E818EF7C7883     TorExitFinland
>>>
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>>
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> --
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