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Re: [tor-relays] Exit relay operators please help test #2667 branch





Have a tor exit running in the US ; fingerprint is 3DE567C1350C0E858C6147AECB06EA9B3EAF3261 and OR address is 71.174.105.126:9001

Just built and launched the ticket-2667 branch; came up as:

[notice] Tor 0.4.6.0-alpha-dev running on Linux with Libevent 2.0.21-stable, OpenSSL 1.0.1t, Zlib 1.2.8, Liblzma N/A, Libzstd N/A and Glibc 2.19 as libc.

I'll monitor the log notices but feel free to probe to test. Thanks!




January 28, 2021 at 1:40 AM
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.html

The 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/2667
where 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/tor
or
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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