[tor-relays] abuse email for non-exit relay (masergy)

Pascal Terjan pterjan at gmail.com
Fri Sep 22 15:52:02 UTC 2017


On 22 September 2017 at 16:49, Iain R. Learmonth <irl at torproject.org> wrote:
> Hi teor,
>
> On Fri, Sep 22, 2017 at 11:14:07PM +1000, teor wrote:
>>
>> > On 22 Sep 2017, at 23:03, relay 000 <relay0 at mailbox.org> wrote:
>> >
>> >> Someone is using the hidden service rendezvous protocol to ask non-exit
>> >> relays to scan non-tor IP addresses.
>> >
>> > wow, people can misuse my *non*-exit relay to scan (aka send a TCP SYN
>> > packet) other systems on the internet?
>>
>> Yes.
>
> Can you clarify here that no feedback is given and that this is not a useful
> scan?
>
> I assume the remote relay will return the same error whether there is
> something listening on the port or not, as it wasn't possible to extend the
> circuit.

There may be some timing difference, a faster response if the
connection fails/is rejected vs if nothing is listening


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