Hello
friendly relay operators,
Another day, another weird thing with
the Tor network. This time we
have some jerk bombing the directory
authorities with directory fetches,
and doing it via exits:
https://lists.torproject.org/pipermail/network-health/2021-January/000661.htmlThe
network is mostly holding together, but I wouldn't say it is pretty.
One
of the long-term fixes will be ticket #2667:
https://gitlab.torproject.org/tpo/core/tor/-/issues/2667where
exit relays refuse to let users connect back into the Tor network.
David
and I made a branch this evening that implements #2667, and it
could
use some testing. If you're comfortable building your exit relay
from
a git branch, please do, and let us know how it goes. It is the
"ticket2667"
branch on either
https://git.torproject.org/user/arma/toror
https://gitlab.torproject.org/arma/tor/And
if your relay is currently using 100% cpu and/or way more bandwidth
than
usual, you might be especially excited to try out this patch. :)
When
the defense triggers, you will see an info-level log line like
"%s
tried to connect back to a known relay address. Closing."
(where %s
is the destination, so don't get upset at them. :)
You can let us
know how it's going either by mail just to me, or by a
reply on the
list, whichever you prefer. Once we know that you're running
the
branch, we can also probe your relay remotely to verify that it is
correctly
refusing those connections.
Thanks!
--Roger
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