[tor-relays] Why is Tor trying to check the wrong ORPort/DirPort addresses?

[David Tomic <david@xxxxxxxxxxxx>]

Hello everyone.

Long story short I have just begun experimenting with running multiple Tor instances on a couple of my servers, namely to see if it actually makes an appreciable difference to my overall throughput.

I have multiple public IPs on my servers, and I would like each Tor instance to use its own dedicated address so I have configured the appropriate ip:port addresses in my second torrc file.

When I start up the second instance, everything gets bound to the correct ip:port combinations (as specified in my torrc file), and I have no problems getting Tor to bootstrap and successfully open a circuit.

The problem appears when Tor tries to verify that my ORPort/DirPort are reachable, because for some reason it's trying to check the wrong IP address? Â

EG - Here are the relevant ports from my torrc file:

SocksPort 9053

ControlPort 9063

Log notice file /var/log/tor/notices3.log

RunAsDaemon 1

DataDirectory /var/lib/tor/3

ORPortÂ50.7.178.99:445

DirPortÂ50.7.178.99:83

When I start Tor, everything matches the above:

Jan 08 11:56:23.178 [notice] Opening Socks listener onÂ127.0.0.1:9053

Jan 08 11:56:23.179 [notice] Opening Control listener onÂ127.0.0.1:9063

Jan 08 11:56:23.179 [notice] Opening OR listener onÂ50.7.178.99:445

Jan 08 11:56:23.179 [notice] Opening Directory listener onÂ50.7.178.99:83

Tor successfully bootstraps and establishes a circuit:

Jan 08 11:57:13.000 [notice] Bootstrapped 90%: Establishing a Tor circuit

Jan 08 11:57:13.000 [notice] Tor has successfully opened a circuit. Looks like client functionality is working.

Jan 08 11:57:13.000 [notice] Bootstrapped 100%: Done

BUT THEN ...

Jan 08 11:57:13.000 [notice] Now checking whether ORPortÂ50.7.178.102:444Âand DirPortÂ50.7.178.102:83Âare reachable... (this may take up to 20 minutes -- look for log messages indicating success)

Notice that it's still checking the correct port from the torrc file, but not the correct ip address. I've tried different IP:port combinations, and each time it's the same result. Right port, wrong IP.

I've tried now on two different servers, and had exactly the same results each time.

Machines are running Debian 8.0 with Tor 0.2.7.6. I have tried installing from the Debian repo, as well as building from the latest source. No difference.

What's causing this to go wrong?

Is there something incredibly simple which I'm simply just not doing properly, or is there possibly more going on here than first meets the eye?

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