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[tor-relays] Relay is missing Running flag in the consensus
Hello,
I have a problem with one[1] of my exit relays: about a week ago this relay lost its Running flag, but it was running all the time.
I upgraded Tor on this relay to 0.2.9.7-rc from "tor-devel" FreeBSD port and restarted it.
Relay was and still is accessible from outside via ports 80 and 443. FreeBSD version is 11.0-RELEASE-p2.
After about 24 hours running on new version I decided to check votes from bwauth on detailed page here[2].
Back then the relay had votes for Running flag from maatuuska, dizum and dannenberg.
I've checked the relay's ability to open connections to bwauths and it couldn't connect to longclaw - connection timed out,
all other bwauths are reachable from the relay. Test was performed by command "openssl s_client -connect <bwauth ip>:443".
Ipfw and pf are disabled on the server, there are only tor, ssh and local_unbound running,
unbound uses my recursive DNS resolver on another server. DNS queries are resolved fine.
Then I saved /var/db/tor directory and started Tor with fresh identity[3],
but in about 6 hours it showed similiar symptoms: only maatuska, dizum and dannenberg were voting for it, so I switched back to old identity[1] since.
In December 23th I decided to downgrade Tor version back to 0.2.8 from FreeBSD port "tor" and I enabled info level logging.
The relay was running since with version 0.2.8.11, at the moment still only 3 bwauth are voting "Running" flag for it: maatuska, dizum and dannenberg.
All bwauths except longclaw are accessible from the server. All bwauths are accessible from my neighbour relays in the same datacenter[4][5].
Log info.log has size of 200 megabytes at the moment, first concerning message is:
Dec 23 11:54:23.000 [warn] Cannot make an outgoing connection without a DirPort.
messages during relay startup, but they disappear eventually:
# grep -c 'outgoing connection without a DirPort' info.log
19
They don't look like a reason for the problem.
Another anomaly is huge amount of messages like
Dec 23 11:54:24.000 [info] router_pick_published_address: Success: chose address '85.143.213.44'.
...
Dec 26 13:58:31.000 [info] router_pick_published_address: Success: chose address '85.143.213.44'.
# grep -c router_pick_published_address info.log
1653449
I upgraded Tor to version 0.2.9.8 from FreeBSD port "tor". The flood of router_pick_published_address doesn't reproduce with new version.
I can compress the log file to 2 mb file with xz -9 and publish it, though I don't want to do it right away because of the warning:
Dec 23 11:54:20.000 [warn] Your log may contain sensitive information - you're logging more than "notice". Don't l
og unless it serves an important reason. Overwrite the log afterwards.
as I don't really know what exact info I should scrub from it.
Currently relay is running with identity[1] and version 0.2.9.8 with info logging. Traceroute to longclaw:
17:05:15-root@bsd1 ~ # traceroute 199.254.238.53
traceroute to 199.254.238.53 (199.254.238.53), 64 hops max, 40 byte packets
1 192.168.240.102 (192.168.240.102) 0.084 ms 0.088 ms 0.059 ms
2 192.168.240.5 (192.168.240.5) 0.664 ms 0.180 ms 0.105 ms
3 85.143.208.1 (85.143.208.1) 1.035 ms 1.437 ms 3.960 ms
4 185-47-53-25.customer.comfortel.pro (185.47.53.25) 0.759 ms 0.615 ms 0.645 ms
5 81-27-254-184.rascom.as20764.net (81.27.254.184) 1.507 ms 1.213 ms 1.300 ms
6 80-64-96-225.rascom.as20764.net (80.64.96.225) 12.082 ms 11.974 ms 11.867 ms
7 xe-9-2-0.bar1.Stockholm1.Level3.net (213.242.110.113) 11.781 ms 11.575 ms
lag-127-401.ear1.Stockholm2.Level3.net (213.242.110.41) 12.083 ms
8 * * *
9 63-235-41-149.dia.static.qwest.net (63.235.41.149) 112.242 ms 115.032 ms 117.349 ms
10 * * *
11 65.116.154.6 (65.116.154.6) 182.361 ms 182.780 ms 185.128 ms
12 208.99.210.41 (208.99.210.41) 181.991 ms 182.831 ms 182.524 ms
13 208.99.192.65 (208.99.192.65) 181.698 ms 182.007 ms 182.437 ms
14 204.8.32.86 (204.8.32.86) 185.968 ms 185.809 ms 185.945 ms
15 wren.riseup.net (198.252.153.1) 181.940 ms 181.907 ms 181.890 ms
16 * * *
17 * * *
Please tell what I can do to understand a reason of the problem.
P.S. During compress attempt of the log memory of the server was exhausted: xz and tor processes were killed.
So log is containing information since Dec 23 11:54:20 UTC till Dec 26 13:58:39 UTC. I'll compress logs on another machine.
[1] 1836695E7DFE2F80B13A9884431759B5DD19F1DA
[2] https://consensus-health.torproject.org/
[3] 9E2833F5F95421B52A5336F66B063E471725F011
[4] 2C2CD992B785F09752278260DCD8D6D6242BB87A
[5] 7F350D9EAD6C74730FB13862308BE60FA9B19678
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