tor-relays March 2021

tor-relays@lists.torproject.org

70 participants
44 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

Many SSH requests
by Cristiano Kubiaki Gomes 03 Apr '21

03 Apr '21

Hi there, O noticed many ssh requests to my Debian VM running a Relay and I am wondering if this is normal or if this is happening only with me. Anyone else see this ssh attemptives? Is it normal? sshd[27004]: Failed password for root from 45.91.226.235 port 41012 ssh2 sshd[27004]: Received disconnect from 45.91.226.235 port 41012:11: Bye Bye [preauth] sshd[27004]: Disconnected from authenticating user root 45.91.226.235 port 41012 [preauth] sshd[27006]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=108.36.253.227 user=root It's many different ips and trying to access in many different ports. Thank you!

7 8

syn flood iptables rule
by Toralf Förster 02 Apr '21

02 Apr '21

The following 3 statements # Make sure NEW incoming tcp connections are SYN packets; otherwise we need to drop them. $IPT -A INPUT -p tcp ! --syn -m state --state NEW -j DROP # DDoS $IPT -A INPUT -p tcp -m state --state NEW -m recent --name synflood --set $IPT -A INPUT -p tcp -m state --state NEW -m recent --name synflood --update --seconds 60 --hitcount 10 -j DROP seems to work and to help here ata fast Tor relay. CPU went down from 109% to 95%. There're 500 connections less than before for a Tor fast relay. The /proc/net/xt_recent/synflood is quickly filled. Unfortunately I cannot change the "ip_list_tot" of "xt_recent" b/c I do use a non-modular kernel. Does anybody knows a circumvention? Are there any objections against this approach? -- Toralf

5 9

Is OVH a safe vps provider to run an exit relay on?
by Keifer Bly 02 Apr '21

02 Apr '21

7 9

bridge static or dynamic ip and multiple bridge config
by gi vi an 02 Apr '21

02 Apr '21

does bridge require static or dynamic ip? if more than one bridge can be configured per one isp connection, how do i configure? -- who am i ? https://mstdn.social/@gvian donate or patron: [+]₿ bitcoin (BTC): 3K7Ba2DFyyuGTukNqXEmogG4VgYp2RWnZV [×]gridcoin (GRC): SK7A2yq4rsoDSKc592dxSb3JSYeSSopbNB [÷]Ᵽ peercoin (PPC): PENnyj6dvEqaAKtqh9tV9KzRKc4N5EWfeH [=]pivx (PIVX): DNyihy8xWXkGyaLnipzWUrC3kjrbcvahHJ [<]blackcoin (BC): B4pCYCRhS6itEs2rsSAVbRnoKkL6thj3Bt

5 7

DirPortFrontPage file '.....' not found | Permission denied
by Petrusko 02 Apr '21

02 Apr '21

Hey, I'm having a little problem with setting up (my be some rights...) the html page on the relay DIRPort. On my logs : 00:00:03 [NOTICE] Tor 0.4.5.7 opening new log file. 00:00:03 [WARN] Could not open "/var/www/html/tor-relay.html": Permission denied 00:00:03 [WARN] DirPortFrontPage file '/var/www/html/tor-relay.html' not found. Continuing anyway. I've not found any information about how to set up this correctly. Many thanks in advance.

4 4

ipv6 ORPort + DIRPort too ?
by Petrusko 01 Apr '21

01 Apr '21

Hey, I've set up a new relay, available with ipv4 and ipv6. And I'm not sure if I can serve DIRPort on the ipv6 too ? In the torrc file, I've config : ORPort 9001 ORPort [xxxx:xxxx:xxx:x:xxxx:xxxx:xxxx:xxx]:9001 DIRPort 9030 Is it allowed to add something like this, to advertise on ipv6 too ?? : DIRPort [xxxx:xxxx:xxx:x:xxxx:xxxx:xxxx:xxx]:9030 Thank you all !

4 7

Help with FreeBSD relays
by xplato 31 Mar '21

31 Mar '21

Greetings, I am a bit of a noob here so please bear with me. I ran a relay using Ubuntu with very few issues however I decide to add an additional relay and decided to use FreeBSD. They will only run for around 18 hours and then they shut down. I have adjust the torrc file every way I know how and increased the Max vnodes thinking this may have been my issue. I can post the sysrc and torrc if needed. Anyone that might help me figure this out I would be grateful otherwise I am going to reluctantly move them both back to Ubuntu. Thanks, Dan Sent from ProtonMail for iOS

5 13

relay impersonation (contactinfo)
by nusenu 31 Mar '21

31 Mar '21

Hi, I'd like to raise your awareness of an ongoing scheme of questionable entities that make use of your name or relay contactinfo and/or relay nicknames. Those using other people's relay _nicknames_ got and get spotted by multiple people already and are somewhat obvious (at least for now), but I'd like to highlight those using familiar names in contactInfo that are likely less frequently uncovered because people lookup their relays by searching for their relay nicknames (and not so often by searching their contactinfo). So here are two practical things that you can do to help uncover more of them: - list your relay fingerprints under the well-known tor-relay URI: https://<your domain>/.well-known/tor-relay/rsa-fingerprint.txt and add "url:<your domain> proof:uri-rsa ciissversion:2" to your ContactInfo to allow for automated linkability verification. This protects your relays against spoofing of the url field. A domain is not required: You can use github-pages or similar if you do not have a domain. more details: https://gitlab.torproject.org/tpo/core/torspec/-/blob/master/proposals/326-… https://nusenu.github.io/ContactInfo-Information-Sharing-Specification/ Thanks to the 291 relays, that allow for automated verification already. Verifiable relay groups also get graphs on OrNetStats, for an example see: https://nusenu.github.io/OrNetStats/artikel10.org.html - search for your names/nicknames/org names/... in the ContactInfo field. On Relay Search you can do so using "contact:searchstring" Be creative in your search terms. This even makes sense if you do not run relays at all but your name is somewhat known in this context. kind regards, nusenu -------- Forwarded Message -------- Subject: tor relays rosiwig429(at)lidte(dot)com Date: Tue, 30 Mar 2021 23:55:01 > 2021-03-29 > > | Up | Ext | JoinTime | IP | AS | CC | ORp | Dirp | OS | Version | Nickname | eFamMembers | FP | > |------+-------+------------+----------------+------------------------------------------+------+-------+--------+-------+-----------+------------------+---------------+------------------------------------------| > | 1 | 1 | 06:25:11 | 103.82.32.14 | CMC Telecom Infrastructure Company | vn | 9001 | 9030 | Linux | 0.4.5.7 | coffswifi5 | 1 | B8D95BB1AAFB6F234EC50A100F46E4CC8E8E90FB | > | 1 | 1 | 07:34:40 | 78.138.135.110 | Ojsc oao Tattelecom | ru | 9001 | 9030 | Linux | 0.4.5.7 | artikel5ev3b2 | 1 | 771C9BC56DF4B29BA97CAA9387FB1FC140CFE3E3 | > | 1 | 1 | 13:43:04 | 103.56.156.143 | VNPT Corp | vn | 9001 | 9030 | Linux | 0.4.5.7 | CalyxInstitute18 | 1 | 04998AB63A49C4A0B5A5CD2994D95D098D2B5399 | > | 1 | 1 | 14:28:18 | 77.245.158.134 | Niobe Bilisim Teknolojileri Yazilim San. | tr | 9001 | 9030 | Linux | 0.4.5.7 | Merlin2 | 1 | B4285A497939D190739C976B947053D6CC0AE07C |

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tor-relays March 2021