Re: [tor-relays] Circuits from Tor relay?

["Rana" <ranaventures@xxxxxxxxx>]

That's a thorough and useful answer. Thank you Tim.

-----Original Message-----
From: tor-relays [mailto:tor-relays-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of teor
Sent: Wednesday, December 07, 2016 12:12 AM
To: tor-relays@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [tor-relays] Circuits from Tor relay?


> On 7 Dec. 2016, at 08:07, Rana <ranaventures@xxxxxxxxx> wrote:
> 
> Arm reports that my relay has 15 circuits connected to my (middle only) relay. Some of the circuits have one middle relay and some of them have two. All the circuits are FROM my relay to exit nodes, and all have the same guard (first) relay.

Your relay is testing whether its ORPort and DirPort are reachable from the internet. To do this, it uses a Tor Exit circuit to connect to the DirPort, and uses a Tor internal circuit to connect to the ORPort.
 
> My relay has a small number of inbound connections and a minuscule number of outbound connections (it is a very new relay as I wiped out and restarted my old one a day and a half ago). Most of the inbound connections are from DurAuths.

The Directory Authorities are testing whether your relay is reachable from their IP address. To do this, they connect directly to the ORPort.

Also, the Bandwidth Authorities are testing what amount of traffic your relay can handle. They uses a Tor Exit circuit that goes via your relay and an Exit.

> What are all these circuits??? Why would a middle relay build full circuits to exit nodes?

Like Tor clients, your relay also builds various circuits preemptively, in case it needs them later.

If you want more specific help, please provide the following information to the list:

What do the logs on your relay say?

What is your relay's fingerprint?
(Your relay is publicly listed in the tor consensus. If you want to keep the details private, run a bridge relay.)

T

--
Tim Wilson-Brown (teor)

teor2345 at gmail dot com
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xmpp: teor at torproject dot org
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