tor-relays September 2021

tor-relays@lists.torproject.org

19 participants
18 discussions

I bumped out some more bad relays
by Roger Dingledine 10 Dec '21

10 Dec '21

Hi folks, I spent some time this week refining a new exit scanner, and today we pushed some new reject rules to kick out some relays that we confirmed were running mitmproxy to do more sslstrips. For past context, see these urls: https://blog.torproject.org/bad-exit-relays-may-june-2020 https://lists.torproject.org/pipermail/tor-relays/2020-July/018656.html https://lists.torproject.org/pipermail/tor-talk/2014-July/034219.html Expect some upcoming next steps that aim to change the fundamental arms race, including experiments to use https by default in Tor Browser, either via HTTPS Everywhere's "Encrypt All Sites Eligible" option (you can turn that on right now) or via Firefox's upcoming built-in version of the idea: https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/19850 For completeness, I'm including below the set of fingerprints that we bumped out. Note that we didn't confirm misbehavior from all of them -- some of them we're bumping out because they seemed sufficiently similar to the confirmed ones. If any of these are your relays, please speak up! Thanks, --Roger Group #1: COMID (coronamitmdisease2019) at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roup #2: info(a)cypherpunklabs.com at OVH 023455597DAB689EE84FB3A7BC7FC5F9A3E27FD6 044E647F34EDA4AC975EDAD628C4E9BCFFF1FB08 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OVH relays probably run by the above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55D490E9E440DD4458F16ABCDD79F48396D55EA9 78F699D58F3353AB6C4CE39E3BD96CE87439753A B1896E58FDEB5627B6B8334E6ABD42767AB8B0D9

5 13

Dropped off consensus (0.4.4.5)
by Felix 23 Oct '21

23 Oct '21

Hi everybody This is early. Yesterday I upgraded Ichotolot60 1AE039EE0B11DB79E4B4B29CBA9F752864A0259E from 4.2.7 to 4.4.5. Now I see in the consensus health: moria1 Fast Run Stab V2Dir Valid bw=566 tor26 Fast Guard Stab V2Dir Valid dizum Fast Guard Stab V2Dir Valid gabel. Fast Stab V2Dir Valid bw=1130 danne. Fast Guard Run Stab V2Dir Valid maatu. Fast Stab V2Dir Valid bw=1200 farav. Fast Guard Run Stab V2Dir Valid bw=2970 longc. Fast Stab V2Dir Valid bw=490 bastet Fast Guard Run Stab V2Dir Valid bw=3520 And _no_ Authority "owns" the relay. Old Apr 02 21:51:31.872 [notice] Tor 0.4.2.7 running on FreeBSD with Libevent 2.1.11-stable, OpenSSL LibreSSL 3.0.2, Zlib 1.2.11, Liblzma 5.2.4, and Libzstd 1.4.4. New Sep 18 21:00:22.384 [notice] Tor 0.4.4.5 running on FreeBSD with Libevent 2.1.12-stable, OpenSSL LibreSSL 3.2.1, Zlib 1.2.11, Liblzma 5.2.4, and Libzstd 1.4.5. (Yeah, some Lib stuff is new too, hehe) The "Guard !Run Stab" consensus looks quite interesting to me. How can it be? Other relays with that nice "Guard !Run Stab" dropped off consensus over night (or since days) and no authority "owns" them too: HORUS1 0.4.4.4-rc norisknofun 0.3.5.10 ULayerKiriakou 0.4.3.5 Stellvia 0.4.3.6 torexit42 (StaleDesc) 0.4.1.6 torpidsDEhetzner1 0.4.3.2-alpha (3 days) karen (StaleDesc) 0.4.2.7 Stephen304 0.4.2.7 (3 days) Rigel2020 (StaleDesc) 0.4.3.6 dgplug (FallbackDir, StaleDesc) 0.4.4.5 =?= May-be the operators updated and are now in the same floating position? May-be this is super normal and came to my attention by surprise? Anyways, I let everthing run for a day or so. Time can heal. -- Cheers, Felix

5 8

Overloaded state indicator on relay-search
by Silvia/Hiro 19 Oct '21

19 Oct '21

Hello all, One of our goals with our current performance work is to reduce the overload of relays in the network. The implementation of proposal 328[1] a while back made different overload indicators available to relay operators and since a couple of weeks ago those can be tracked via Onionoo[2] as well. As we know that a lot of our relay operators use relay search to check for the health of their relays, we have launched a new feature there, too, to help them know when their relays are overloaded. When a relay is in the overloaded state we show an amber dot next to the relay nickname. Currently we are counting between 50 and 80 overloaded relays and between 10 and 20 overloaded bridges. The overloaded state is reached when one or many of the possible load metrics have been triggered. When this happens we show it for 72 hours after the relay has recovered [3]. Note, though, that not all of the exposed overload metrics are triggering the overload indicator on relay search yet. If you noticed your relay is overloaded, please check the following support article to find out how you can recover to a "normal" state: https://support.torproject.org/relay-operators/relay-bridge-overloaded/ Let us known how you find this new feature. Cheers, -hiro [1] https://gitweb.torproject.org/torspec.git/tree/proposals/328-relay-overload… [2] https://lists.torproject.org/pipermail/tor-project/2021-August/003168.html [3] https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n637

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Re: [tor-relays] Overloaded state indicator on relay-search
by Bleedangel Tor Admin 29 Sep '21

29 Sep '21

1 0

New round of measuring the accuracy of Tor relays' advertised bandwidth
by Georg Koppen 23 Sep '21

23 Sep '21

Hello! You might recall we ran two "speed tests" so far for investigating the accuracy of a relay's advertised bandwidth, one in 2021[1] and another one earlier this year[2]. We gonna pick this test up again this week. However, this time it won't be just a single run but we are rather scheduling the experiment to be on for two weeks and then off for two weeks for the upcoming weeks/months (see: the third item in our network experiments strategy[3] for some rationale). More exactly: we'll run our measurement script for roughly one week, then wait about a week for flooded values leaving the relay descriptors, then 2 weeks off, then starting again... The experiment itself has not changed: we are planning to download several large data streams for a period of about 20 seconds with the goal to get a better estimation of the relay's true capacity. There are more details related to this experiment in particular in an older mailing list thread[1], in case anyone is interested and has not seen those yet. As in previous instances of this "speed test" there is the option for an opt-out. Let us know if any of you doesn't want to participate and we remove your relay(s) from the list to scan. Finally, an up-to-date status about the flooding being on/off (and other experiments scheduled) can be found on our status page[4]. Thanks, Georg [1] https://lists.torproject.org/pipermail/tor-relays/2019-July/017535.htmlff. [2] https://lists.torproject.org/pipermail/tor-relays/2021-May/019649.html [3] https://gitlab.torproject.org/tpo/network-health/team/-/wikis/Network-exper… [4] https://status.torproject.org/affected/network-experiments/

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tor version question
by torix 22 Sep '21

22 Sep '21

Dear All, I can see in OrNetStats that I have several relays marked as having a vulnerable Tor version. But when I checked and tried to update them, I was told that everything was up to date. In 2 cases relays rented at the same time on the same host have different versions. AlexHost running FreeBSD release 12.1 and 12.2 respectively: 0.4.6.7 and 0.4.5.8 CoolComputers both running Centos8.4.2105: 0.4.6.6 and 0.4.5.10 I'm not sure why the same package repo would cough up different tor versions for different servers - is the answer to sit tight and wait for the older versions to catch up, or is there a way to force the older ones to update to a newer tor version? (My oldest version is 0.4.5.8). TIA, --Torix

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Need help with Dir Address and Exit Address
by Bleedangel Tor Admin 21 Sep '21

21 Sep '21

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi all I have an exit relay running, and all is working well. I am a stickler though, and i notice when i search my relay on the metrics page, the following two items are listed as 'none': Dir Address Exit Address Can anyone help me to get these reporting properly? I have a V2 Directory flag and my dir port is 9030. I am allowing ipv4 exits. Metric page for reference: https://metrics.torproject.org/rs.html#details/5161B1C501805A0D3E9F87AFCAC9… Thanks for any help you can give! -----BEGIN PGP SIGNATURE----- Version: ProtonMail wnUEARYKAAYFAmFJOgQAIQkQ07hp34FMyg4WIQSgEMifmnN5ohFWvfnTuGnf gUzKDs8DAP4hSvlEPrlDkIY5vlLULhJHuNVbq/UT3r5mfBg/cg+p0wEAltfV bPlU/3wfg7j0b31h6R4g+Ik+96fkoq9VTqiydQg= =6AAW -----END PGP SIGNATURE-----

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Ripped off relay name
by xplato 20 Sep '21

20 Sep '21

Just curious a relay appeared with a nearly identical name to a relay I have run for a while. Is this just a lack of creativity or something that I should be concerned about? The name is fairly unique and the new relay is almost identical in name. Sent from ProtonMail for iOS

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OrNetStats now parses all your ContactInfo v2 fields and warns you if your Tor version is vulnerable
by nusenu 15 Sep '21

15 Sep '21

today I pushed new features to OrNetStats: https://nusenu.github.io/OrNetStats/ - Relay Search replacement: relay level pages via a custom allium[1] version Thanks to Jordan for creating allium! - parse and display all ContactInfo v2 fields [2] example: https://nusenu.github.io/OrNetStats/w/relay/A14D96E6C4C3A5AF3D7E57AC0A85AE8… - proven operator domains are highlighted with an icon in all overview relay lists (family-, contact-, country-level pages) example: https://nusenu.github.io/OrNetStats/w/misc/families-by-bandwidth.html (we display the proven operator domain instead of the ContactInfo when available) - the icon links directly to the proof file from the operator (on the relay-level page) - we display a warning sign when a relay runs a vulnerable version of tor examples on relay and contact-level pages: https://nusenu.github.io/OrNetStats/w/relay/FB58E117D11F87F0A291475D603EC61… https://nusenu.github.io/OrNetStats/w/contact/17b90573a94e713bf1b3ad7988934… - we display bandwidth in G|Mbit/s not MByte/s - onionoo AS data replaced with ipfire's upstream version: we no longer use AS data from onionoo - which made the switch from previously used https://yui.cat links to a custom allium version necessary because yui.cat (allium) uses onionoo as data source. Previously over 2000 relays had no AS name data (which affected >25% of tor's exit capacity). Now we are down to bellow 0.1% affected exit capacity without AS name data (mainly in the LACNIC region). +------------+--------+-----------+ |date |affected| affected | | | relays | exit_prob | +------------+--------+-----------+ ... | 2021-09-06 | 2005 | 24.03 | | 2021-09-07 | 2025 | 27.33 | | 2021-09-09 | 2038 | 27.93 | | 2021-09-10 | 2045 | 28.45 | | 2021-09-11 | 2041 | 28.12 | | 2021-09-12 | 2045 | 28.70 | | 2021-09-13 | 2044 | 27.32 | | 2021-09-14 | 2029 | 26.44 | | 2021-09-15 | 108 | 0.05 | <<< todays switch from onionoo to ipfire +------------+--------+-----------+ kind regards, nusenu [1] https://github.com/tempname1024/allium [2] https://nusenu.github.io/ContactInfo-Information-Sharing-Specification -- https://nusenu.github.io

1 0

IPv6 reachability tests fail on CenturyLink IPv6 6rd - reachability broken?
by Neel Chauhan 13 Sep '21

13 Sep '21

Hi, I recently moved into a home with CenturyLink Fiber and moved my FreeBSD relays to the said home. Fingerprints: https://metrics.torproject.org/rs.html#details/B0F9BA27944FA59E3B1A182208FF… https://metrics.torproject.org/rs.html#details/DB710B14D7329B7289CFCC547F48… In my relay logs, while IPv4 works fine, I get these IPv6 errors: Aug 26 18:47:01.000 [notice] Auto-discovered IPv6 address [REDACTED]:143 has not been found reachable. However, IPv4 address is reachable. Publishing server descriptor without IPv6 address. Aug 26 19:47:01.000 [notice] Auto-discovered IPv6 address [REDACTED]:143 has not been found reachable. However, IPv4 address is reachable. Publishing server descriptor without IPv6 address. [2 similar message(s) suppressed in last 2400 seconds] CenturyLink does use 6rd for IPv6 in case that matters, however I can telnet the relay ORPort via IPv6 from a VPS. My firewall is an OPNsense box which terminates PPPoE/6rd. I am running tor-0.4.6.4-rc. Yes I know it's not the "latest", but I usually run the "beta" versions on my relays from FreeBSD pkg. Rebooting both my OPNsense box and my server doesn't work. The same relay fingerprints/torrcs/keys worked fine on Google Fiber/Webpass native IPv6 in another address. I'm guessing IPv6 reachability tests aren't working right now since it worked with CL 6rd earlier today, or maybe CL misconfigured their network. It's not a biggie for me, but while I could go Comcast with better IPv6, I'd rather have a high bandwidth relay than an IPv6 one with Comcast's slow uploads/caps. Other Seattle ISPs like Webpass, Wave, and Atlas aren't in my new home. -Neel Chauhan === https://www.neelc.org/

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tor-relays September 2021