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[tor-relays] Verizon AS701 blocking Tor consensus server tor26 (86.59.21.38)
Hi tor-relays mailing list,
I have noticed that the Tor consensus server tor26
(https://metrics.torproject.org/rs.html#details/847B1F850344D7876491A54892F904934E4EB85D)
is blocked on Verizon's UUNET (AS701) backbone, and therefore, Verizon's
retail services like FiOS and Wireless. I can confirm this on FiOS, but
I don't use Verizon Wireless (my smartphone uses Sprint) so I can't test
it there.
A traceroute to tor26's IP address 86.59.21.38 from a Brooklyn apartment
shows this is filtered on Verizon's backbone:
neel@xb2:~ % traceroute 86.59.21.38
traceroute to 86.59.21.38 (86.59.21.38), 64 hops max, 40 byte packets
1 unknown (192.168.1.1) 1.128 ms 0.780 ms 0.613 ms
2 lo0-100.NYCMNY-VFTTP-401.verizon-gni.net (173.68.77.1) 1.001 ms
3.632 ms 0.900 ms
3 B3401.NYCMNY-LCR-22.verizon-gni.net (100.41.137.96) 2.291 ms
B3401.NYCMNY-LCR-21.verizon-gni.net (100.41.137.94) 3.172 ms 4.046
ms
4 * * *
5 * * *
6 * * *
7 * * *
8 * * *
9 * * *
^C
neel@xb2:~ %
In a normal traceroute, you will see ALTER.NET at hop 5. Also, the
subnet 86.59.21.0/24 is not filtered on UUNET. A traceroute to
86.59.21.1 works:
neel@xb2:~ % traceroute 86.59.21.1
traceroute to 86.59.21.1 (86.59.21.1), 64 hops max, 40 byte packets
1 unknown (192.168.1.1) 0.863 ms 0.757 ms 0.579 ms
2 lo0-100.NYCMNY-VFTTP-401.verizon-gni.net (173.68.77.1) 1.010 ms
1.545 ms 1.034 ms
3 B3401.NYCMNY-LCR-22.verizon-gni.net (100.41.137.96) 3.616 ms
B3401.NYCMNY-LCR-21.verizon-gni.net (100.41.137.94) 5.696 ms
10.062 ms
4 * * *
5 0.et-5-1-5.BR3.NYC4.ALTER.NET (140.222.2.127) 3.492 ms 3.506 ms
2.996 ms
6 204.255.168.118 (204.255.168.118) 8.462 ms 7.479 ms 7.252 ms
7 144.232.4.84 (144.232.4.84) 5.041 ms 4.688 ms
sl-crs3-lon-0-6-3-0.sprintlink.net (144.232.9.165) 71.865 ms
8 sl-crs2-lon-0-0-3-0.sprintlink.net (213.206.128.181) 72.214 ms
73.579 ms 72.339 ms
9 213.206.129.142 (213.206.129.142) 81.390 ms
sl-crs4-ams-0-7-0-3.sprintlink.net (213.206.129.139) 85.854 ms
93.238 ms
10 217.149.47.46 (217.149.47.46) 79.004 ms 85.669 ms 79.392 ms
11 ams5-core-1.bundle-ether1.tele2.net (130.244.82.54) 86.507 ms
78.374 ms 77.740 ms
12 ams-core-2.bundle-ether9.tele2.net (130.244.82.57) 79.642 ms
77.926 ms 81.515 ms
13 wen3-core-2.bundle-ether15.tele2.net (130.244.71.47) 105.400 ms
105.089 ms 109.751 ms
14 tele2at-bundle2-vie3.net.uta.at (212.152.189.65) 122.716 ms
110.820 ms 114.354 ms
15 86.59.21.1 (86.59.21.1) 106.389 ms * 105.379 ms
neel@xb2:~ %
I got in contact with Peter Palfrader and he says he couldn't help, and
also with Verizon FiOS support and they said the filtering 'isn't on
Verizon's network' (read: isn't on Verizon's internal FiOS network but
still on Verizon's AS701 which I have to go to to get anywhere on the
Internet here).
I know that this IP could have been blackholed, and you may think that
if Verizon is blocking it, then isn't Level 3 or Cogent? Well, Cogent
doesn't block tor26:
traceroute to 86.59.21.38 (86.59.21.38), 30 hops max, 60 byte packets
1 gi0-1-1-19.5.agr21.jfk02.atlas.cogentco.com (66.28.3.113) 0.727 ms
0.727 ms
2 be2605.ccr41.jfk02.atlas.cogentco.com (154.54.1.153) 2.177 ms
be2606.ccr42.jfk02.atlas.cogentco.com (154.54.2.29) 0.734 ms
3 be2490.ccr42.lon13.atlas.cogentco.com (154.54.42.86) 68.557 ms
be2317.ccr41.lon13.atlas.cogentco.com (154.54.30.186) 70.829 ms
4 be12488.ccr42.ams03.atlas.cogentco.com (130.117.51.42) 74.570 ms
be12194.ccr41.ams03.atlas.cogentco.com (154.54.56.94) 76.767 ms
5 be2434.agr21.ams03.atlas.cogentco.com (130.117.2.241) 74.515 ms
74.612 ms
6 149.6.129.250 (149.6.129.250) 80.758 ms 74.625 ms
7 ams5-core-1.bundle-ether1.tele2.net (130.244.82.54) 75.421 ms
75.425 ms
8 ams-core-2.bundle-ether9.tele2.net (130.244.82.57) 74.516 ms
74.558 ms
9 wen3-core-2.bundle-ether15.tele2.net (130.244.71.47) 97.605 ms
95.470 ms
10 tele2at-bundle2-vie3.net.uta.at (212.152.189.65) 100.314 ms 97.947
ms
11 86.59.118.145 (86.59.118.145) 96.918 ms 98.620 ms
12 tor.noreply.org (86.59.21.38) 97.853 ms 98.110 ms
(Source: http://www.cogentco.com/en/network/looking-glass)
It could be possible that other Tier 1 networks formerly blocked tor26,
and also unblocked, but Verizon was sloppy not to do so.
It's also possible that Verizon could be doing it because the FCC
repealed Net Neturality, and wants to discourage use of Tor to mine
FiOS/VZW customers' browsing habits. But despite a NN repeal I can still
access Tor on FiOS, and also run a relay (I do both) because other
consensus relays are still unblocked.
But if Verizon didn't unblock tor26, could it actually mean that Verizon
wants to discourage Tor (and VPN/proxy) use to try to mine information
of their customers (and sell ads/information) and direct users to
VZ-owned AOL and Yahoo? Well, I hope they were just sloppy and don't
mean to wage war on Tor.
While I'm not saying you should avoid using anything Verizon at all
costs (I certainly wouldn't want to go to the local cable company), I
just want to point out a blocked consensus server.
Thank You,
Neel Chauhan
===
https://www.neelc.org/
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