[tor-dev] Your server has not managed to confirm that its ORPort is reachable

[Christian Kujau <lists@xxxxxxxxxxxxxxx>]

Hi,

I had to reboot my bridge for a (Ubuntu) kernel upgrade but now it cannot 
confirm that the ORPort is accessible:

May 17 20:20:36.000 [notice] Tor 0.2.4.12-alpha (git-a1bb0df9be95ce7a) opening log file.
May 17 20:20:36.000 [notice] Not disabling debugger attaching for unprivileged users.
May 17 20:20:36.000 [notice] Your Tor server's identity key fingerprint is '...'
May 17 20:20:36.000 [notice] Configured hibernation.  This interval began at 2013-05-13 10:00:00; the scheduled wake-up time was 2013-05-13 10:00:00; we expect to exhaust our quota for this interval around 2013-05-20 10:00:00; the next interval begins at 2013-05-20 10:00:00 (all times local)
May 17 20:20:36.000 [notice] Parsing GEOIP IPv4 file /usr/share/tor/geoip.
May 17 20:20:37.000 [notice] Parsing GEOIP IPv6 file /usr/share/tor/geoip6.
May 17 20:20:37.000 [notice] Configured to measure statistics. Look for the *-stats files that will first be written to the data directory in 24 hours from now.
May 17 20:20:40.000 [notice] We now have enough directory information to build circuits.
May 17 20:20:40.000 [notice] Bootstrapped 80%: Connecting to the Tor network.
May 17 20:20:41.000 [notice] Bootstrapped 85%: Finishing handshake with first hop.
May 17 20:20:41.000 [notice] Bootstrapped 90%: Establishing a Tor circuit.
May 17 20:20:42.000 [notice] Registered server transport 'obfs3' at '0.0.0.0:30001'
May 17 20:20:42.000 [notice] Registered server transport 'obfs2' at '0.0.0.0:20001'
May 17 20:20:43.000 [notice] Tor has successfully opened a circuit. Looks like client functionality is working.
May 17 20:20:43.000 [notice] Bootstrapped 100%: Done.
May 17 20:20:43.000 [notice] Guessed our IP address as ... (source: ...).
May 17 20:40:43.000 [warn] Your server (...:9001) has not managed to confirm that its ORPort is reachable. Please check your firewalls, ports, address, /etc/hosts file, etc.

I have not changed my tor configuration (honest! :-)) and Tor 
0.2.4.12-alpha (from deb.torproject.org) was running fine before. This 
particular bridge is running inside an Amazon EC2 instance and I can reach 
port 9001 from the outside:

$ nc -w1 -vnz xx.18.xx.xxx 9001
Connection to xx.18.xx.xxx 9001 port [tcp/*] succeeded!

And I can see that request on the bridge when tcpdump'ing :9001, so it's 
not a network issue. I'm not sure what "/etc/hosts" should have to do with 
it, but I haven't modified this either. I'm strace'ing the tor process now 
to see what it's doing but couldn't find anything suspicious so far.

Any thoughts?

Christian.
-- 
BOFH excuse #139:

UBNC (user brain not connected)
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