# Mailing Lists **URL:** https://forum.torproject.org/c/mailing-lists/23.md [Latest](https://forum.torproject.org/latest.md) · [Categories](https://forum.torproject.org/categories.md) · [Tags](https://forum.torproject.org/tags.md) --- ## [About the Mailing Lists category](https://forum.torproject.org/t/about-the-mailing-lists-category/100)
**Author:** [@system](https://forum.torproject.org/u/system)\ **Replies:** 0\ **Last updated:** [October 19, 2021, 7:39pm UTC](https://forum.torproject.org/t/about-the-mailing-lists-category/100 "2021-10-19T19:39:52Z")
Read-only mirrors for the Tor Project mailing lists. You may want to mute this category if you’re already subscribed directly via email. --- ## [\[tor-relays\] Re: How is this attack causing 900 Mbps download and 100 Mbps upload?](https://forum.torproject.org/t/tor-relays-re-how-is-this-attack-causing-900-mbps-download-and-100-mbps-upload/22229)
**Author:** [@Khan\_Krum](https://forum.torproject.org/u/Khan_Krum)\ **Replies:** 4\ **Last updated:** [October 13, 2026, 11:18pm UTC](https://forum.torproject.org/t/tor-relays-re-how-is-this-attack-causing-900-mbps-download-and-100-mbps-upload/22229 "2026-10-13T23:18:19Z")
Hi, I run three hobby relays and I seem to be seeing the same behavior on one of them. I compared two similar ARM, 2-core, non-exit Guard+HSDir relays, both running Tor 0.4.9.13. On the affected relay I measured 41,240… --- ## [\[tor-relays\] How is this attack causing 900 Mbps download and 100 Mbps upload?](https://forum.torproject.org/t/tor-relays-how-is-this-attack-causing-900-mbps-download-and-100-mbps-upload/22099)
**Author:** [@forest](https://forum.torproject.org/u/forest)\ **Replies:** 20\ **Last updated:** [October 13, 2026, 9:51pm UTC](https://forum.torproject.org/t/tor-relays-how-is-this-attack-causing-900-mbps-download-and-100-mbps-upload/22099 "2026-10-13T21:51:57Z")
Hello. I'm experiencing a very strange high-bandwidth attack against my exit F79C822281CB1001E589296C80ABA6EA5DC7E36A. At first it was a directory fetch attack, slowing it to a crawl due to upload exceeding 700 Mbps … --- ## [\[tor-relays\] Re: 1AEO exit relay DNS health checks now classify upstream recursive resolvers](https://forum.torproject.org/t/tor-relays-re-1aeo-exit-relay-dns-health-checks-now-classify-upstream-recursive-resolvers/22267)
**Author:** [@lists](https://forum.torproject.org/u/lists)\ **Replies:** 0\ **Last updated:** [October 13, 2026, 8:22pm UTC](https://forum.torproject.org/t/tor-relays-re-1aeo-exit-relay-dns-health-checks-now-classify-upstream-recursive-resolvers/22267 "2026-10-13T20:22:48Z")
Hello, Exit DNS health checks now include the recursive resolver each exit used. Results are on https://exitdnshealth.1aeo.com (raw) and https://metrics.1aeo.com (aggregated and specific) Nice :wink: A few of mine… --- ## [\[tor-relays\] Shutting down my ~40 guards](https://forum.torproject.org/t/tor-relays-shutting-down-my-40-guards/22258)
**Author:** [@forest](https://forum.torproject.org/u/forest)\ **Replies:** 13\ **Last updated:** [October 13, 2026, 3:04pm UTC](https://forum.torproject.org/t/tor-relays-shutting-down-my-40-guards/22258 "2026-10-13T15:04:15Z")
Hello. Within a matter of minutes, quite a few of my relays have come under attack again. As there has been no progress in mitigating the attacks despite several new releases of Tor coming out and no information from … --- ## [\[tor-relays\] Looking to interview Tor relay operators (online or at FOSDEM)](https://forum.torproject.org/t/tor-relays-looking-to-interview-tor-relay-operators-online-or-at-fosdem/21128)
**Author:** [@Jules\_Dejaeghere](https://forum.torproject.org/u/Jules_Dejaeghere)\ **Replies:** 10\ **Last updated:** [October 12, 2026, 11:39am UTC](https://forum.torproject.org/t/tor-relays-looking-to-interview-tor-relay-operators-online-or-at-fosdem/21128 "2026-10-12T11:39:01Z")
Hello, I am a researcher at the University of Namur (Belgium), and some of our research focuses on Tor. Recently, we started to investigate how Tor relay operators install and keep their relays up to date. This research… --- ## [\[tor-relays\] Relay suddenly stopped relaying traffic but is still in the consensus](https://forum.torproject.org/t/tor-relays-relay-suddenly-stopped-relaying-traffic-but-is-still-in-the-consensus/22226)
**Author:** [@forest](https://forum.torproject.org/u/forest)\ **Replies:** 2\ **Last updated:** [October 12, 2026, 5:49am UTC](https://forum.torproject.org/t/tor-relays-relay-suddenly-stopped-relaying-traffic-but-is-still-in-the-consensus/22226 "2026-10-12T05:49:17Z")
Hello. Yesterday, one of my relays suddenly (within minutes) went from passing about 5 Mbps to passing nothing. The traffic rate dropped off as rapidly as if it went into hibernation. The consensus still says it is up… --- ## [\[tor-relays\] Family-ID for bridges](https://forum.torproject.org/t/tor-relays-family-id-for-bridges/22115)
**Author:** [@lists](https://forum.torproject.org/u/lists)\ **Replies:** 3\ **Last updated:** [October 11, 2026, 8:57pm UTC](https://forum.torproject.org/t/tor-relays-family-id-for-bridges/22115 "2026-10-11T20:57:25Z")
Hiho, I'm unsure whether I should apply a "Family key" to my bridges. - tor-spec says: we get bridge families "for free" - hiro says Serge & rdsys is not ready yet: I don't mind. I would like to change the bridges … --- ## [\[tor-relays\] Ebury 1.8.3 on two Quetzalcoatl relay servers: timeline, lessons, open questions](https://forum.torproject.org/t/tor-relays-ebury-1-8-3-on-two-quetzalcoatl-relay-servers-timeline-lessons-open-questions/22238)
**Author:** [@Dr\_Remmiz](https://forum.torproject.org/u/Dr_Remmiz)\ **Replies:** 9\ **Last updated:** [October 11, 2026, 6:51pm UTC](https://forum.torproject.org/t/tor-relays-ebury-1-8-3-on-two-quetzalcoatl-relay-servers-timeline-lessons-open-questions/22238 "2026-10-11T18:51:57Z")
Hi all, Following hiro’s “Security incident affecting some relay operators” post on Oct 5, here is what we found on our own infrastructure, in case it helps others check theirs. Two of our servers were rooted with the E… --- ## [\[tor-project\] PSA: Europe changes time backwards soon, North America next](https://forum.torproject.org/t/tor-project-psa-europe-changes-time-backwards-soon-north-america-next/22244)
**Author:** [@anarcat](https://forum.torproject.org/u/anarcat)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 6:23pm UTC](https://forum.torproject.org/t/tor-project-psa-europe-changes-time-backwards-soon-north-america-next/22244 "2026-10-09T18:23:22Z")
Hi, This is your bi-yearly reminder that time is changing soon! October 25th in Europe, November 1st in North America. Less people in Canada are changing this year, with BC, Alberta, Manitoba and Northwest Territorie… --- ## [\[tor-relays\] Re: Ebury 1.8.3 on two Quetzalcoatl relay servers: timeline, lessons, open questions](https://forum.torproject.org/t/tor-relays-re-ebury-1-8-3-on-two-quetzalcoatl-relay-servers-timeline-lessons-open-questions/22243)
**Author:** [@Marc-Etienne\_M.Levei](https://forum.torproject.org/u/Marc-Etienne_M.Levei)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 8:39pm UTC](https://forum.torproject.org/t/tor-relays-re-ebury-1-8-3-on-two-quetzalcoatl-relay-servers-timeline-lessons-open-questions/22243 "2026-10-08T20:39:20Z")
Hi, Marc-Etienne here, I’ve been looking at Ebury for quite some time (13 years now, yikes!). I’m the author of the latest (2024) report on Ebury and co-author of the original paper from 2014. First, I’d like to thank … --- ## [\[tor-project\] Anti-censorship team meeting notes, 2026-10-08](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-10-08/22242)
**Author:** [@Cecylia\_Bocovich](https://forum.torproject.org/u/Cecylia_Bocovich)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 4:57pm UTC](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-10-08/22242 "2026-10-08T16:57:55Z")
Hey everyone! Here are our meeting logs: And our meeting pad: Anti-censorship ▶ ··· --- ## [\[tor-relays\] Updating on Rasberry PI](https://forum.torproject.org/t/tor-relays-updating-on-rasberry-pi/22240)
**Author:** [@Keifer\_Bly](https://forum.torproject.org/u/Keifer_Bly)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 2:14pm UTC](https://forum.torproject.org/t/tor-relays-updating-on-rasberry-pi/22240 "2026-10-08T14:14:34Z")
Hi, So I am attempting to run a bridge from a Rasberry Pi 5, encountering errors when updating. Upong trying to update tor, it generates the following: updating from such a respiratory cant’e be done securly, and is di… --- ## [\[tor-project\] minutes from the sysadmin meeting](https://forum.torproject.org/t/tor-project-minutes-from-the-sysadmin-meeting/22235)
**Author:** [@anarcat](https://forum.torproject.org/u/anarcat)\ **Replies:** 0\ **Last updated:** [October 6, 2026, 2:28pm UTC](https://forum.torproject.org/t/tor-project-minutes-from-the-sysadmin-meeting/22235 "2026-10-06T14:28:35Z")
\# Roll call: who's there and emergencies - anarcat - groente - jerome - zen-fu # Express check-in - how are you doing? - blocked on anything? # Rotterdam meeting planning anarcat was wondering if the team wants … --- ## [\[tor-relays\] Security incident affecting some relay operators](https://forum.torproject.org/t/tor-relays-security-incident-affecting-some-relay-operators/22231)
**Author:** [@hiro](https://forum.torproject.org/u/hiro)\ **Replies:** 2\ **Last updated:** [October 6, 2026, 7:09am UTC](https://forum.torproject.org/t/tor-relays-security-incident-affecting-some-relay-operators/22231 "2026-10-06T07:09:20Z")
Hello Tor relay operators, We encourage relay operators running Linux to audit their tor configuration file (torrc) and monitor for unauthorized kernel module loading, tunnelling interfaces or unexplained memory usage. … --- ## [\[tor-project\] Anti-censorship team meeting notes, 2026-10-01](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-10-01/22209)
**Author:** [@meskio](https://forum.torproject.org/u/meskio)\ **Replies:** 0\ **Last updated:** [October 1, 2026, 4:38pm UTC](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-10-01/22209 "2026-10-01T16:38:19Z")
Hey everyone! Here are our meeting logs: And our meeting pad: Anti-censorship ▶ ··· --- ## [\[tor-project\] new weekly maintenance window on Thursdays, 18:00UTC-21:00UTC](https://forum.torproject.org/t/tor-project-new-weekly-maintenance-window-on-thursdays-1800utc/22195)
**Author:** [@anarcat](https://forum.torproject.org/u/anarcat)\ **Replies:** 1\ **Last updated:** [October 1, 2026, 12:41pm UTC](https://forum.torproject.org/t/tor-project-new-weekly-maintenance-window-on-thursdays-1800utc/22195 "2026-10-01T12:41:37Z")
Hi! Following an internal survey (tpo/tpa/team#42782), TPA has just adopted a weekly, three hour maintenance window starting at 18:00UTC every Thursday, which is equivalent to: 10:00 US/Pacific 13:00 US/Eastern 15:00 … --- ## [\[tor-relays\] FamilyID help...again](https://forum.torproject.org/t/tor-relays-familyid-help-again/22200)
**Author:** [@wxw](https://forum.torproject.org/u/wxw)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 12:31pm UTC](https://forum.torproject.org/t/tor-relays-familyid-help-again/22200 "2026-09-29T12:31:55Z")
Hi, I have run my relays for 15+ years. I am trying to implement FamilyID by following your instructions at Tor Project | Learn how to configure your relays' FamilyID. I generate my secret\_family\_key. I save the Fam… --- ## [\[tor-relays\] Re: How is this attack causing 900 Mbps download and 100 Mbps upload?](https://forum.torproject.org/t/tor-relays-re-how-is-this-attack-causing-900-mbps-download-and-100-mbps-upload/22201)
**Author:** [@chappie7](https://forum.torproject.org/u/chappie7)\ **Replies:** 0\ **Last updated:** [September 28, 2026, 9:21pm UTC](https://forum.torproject.org/t/tor-relays-re-how-is-this-attack-causing-900-mbps-download-and-100-mbps-upload/22201 "2026-09-28T21:21:52Z")
The issues you mentioned have been happening to me as well for nearly two months. More recently, based on my observations of these attacks, I found that the most effective workaround is to completely reboot the server be… --- ## [\[tor-project\] Anti-censorship team meeting notes, 2026-09-24](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-09-24/22181)
**Author:** [@onyinyang](https://forum.torproject.org/u/onyinyang)\ **Replies:** 0\ **Last updated:** [September 24, 2026, 5:22pm UTC](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-09-24/22181 "2026-09-24T17:22:09Z")
Hey everyone! Here are our meeting logs: And our meeting pad: Anti-censorship work meeting pad ▶ ··· --- ## [\[tor-relays\] Amplification Attack?](https://forum.torproject.org/t/tor-relays-amplification-attack/22165)
**Author:** [@providedlan](https://forum.torproject.org/u/providedlan)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 1:59am UTC](https://forum.torproject.org/t/tor-relays-amplification-attack/22165 "2026-09-22T01:59:53Z")
Hi there, regarding the current attack on the network, I can only add that my suspicion is some kind of amplification attack. As other operators also noticed, I see normal inbound traffic flows but excessive outbound f… --- ## [\[tor-project\] Anti-censorship team meeting notes, 2026-09-17](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-09-17/22147)
**Author:** [@meskio](https://forum.torproject.org/u/meskio)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 4:56pm UTC](https://forum.torproject.org/t/tor-project-anti-censorship-team-meeting-notes-2026-09-17/22147 "2026-09-17T16:56:22Z")
Hey everyone! Here are our meeting logs: And our meeting pad: Anti-censorship ▶ ··· --- ## [\[tor-relays\] Re: Programmatically determine if a relay is hibernating](https://forum.torproject.org/t/tor-relays-re-programmatically-determine-if-a-relay-is-hibernating/22145)
**Author:** [@forest](https://forum.torproject.org/u/forest)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 2:02pm UTC](https://forum.torproject.org/t/tor-relays-re-programmatically-determine-if-a-relay-is-hibernating/22145 "2026-09-17T14:02:54Z")
Hello. Roger Dingledine wrote: I just tested by configuring a controlsocket and it seems to survive hibernation too. If yours doesn't, please file a bug -- but make sure that it isn't a Stem bug first. This is Tor… --- ## [\[tor-relays\] Should I switch my guards to exits?](https://forum.torproject.org/t/tor-relays-should-i-switch-my-guards-to-exits/22116)
**Author:** [@lists](https://forum.torproject.org/u/lists)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 7:15pm UTC](https://forum.torproject.org/t/tor-relays-should-i-switch-my-guards-to-exits/22116 "2026-09-16T19:15:02Z")
Background: At the time, our AS was generating ~25% of the exit traffic. I then configured one server with 40 exit relays and another with 40 guard relays. We are now only generating ~16%. It’s actually a real shame… --- ## [\[tor-project\] minutes from the sysadmins](https://forum.torproject.org/t/tor-project-minutes-from-the-sysadmins/22138)
**Author:** [@anarcat](https://forum.torproject.org/u/anarcat)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 3:39pm UTC](https://forum.torproject.org/t/tor-project-minutes-from-the-sysadmins/22138 "2026-09-15T15:39:07Z")
Hey everyone, we had a meeting yesterday, and here are our minutes. # Roll call: who's there and emergencies - anarcat - groente - jerome - lelutin - zen-fu # Express check-in - how are you doing? - blocked on a… --- ## [\[tor-dev\] Introducing Stade: Mobile P2P messaging using embedded Tor v3 Onion Services and PQC](https://forum.torproject.org/t/tor-dev-introducing-stade-mobile-p2p-messaging-using-embedded-tor-v3-onion-services-and-pqc/22134)
**Author:** [@Eren](https://forum.torproject.org/u/Eren)\ **Replies:** 0\ **Last updated:** [September 14, 2026, 1:06pm UTC](https://forum.torproject.org/t/tor-dev-introducing-stade-mobile-p2p-messaging-using-embedded-tor-v3-onion-services-and-pqc/22134 "2026-09-14T13:06:22Z")
Hi tor-dev team, We are developing an open-source, serverless mobile messaging application called Stade. Our primary architectural goal is achieving zero metadata exposure without relying on centralized coordination se… --- ## [\[tor-relays\] Re: DDoS solution for Tor nodes - nftables variant implemented](https://forum.torproject.org/t/tor-relays-re-ddos-solution-for-tor-nodes-nftables-variant-implemented/22121)
**Author:** [@lists](https://forum.torproject.org/u/lists)\ **Replies:** 1\ **Last updated:** [September 13, 2026, 7:04pm UTC](https://forum.torproject.org/t/tor-relays-re-ddos-solution-for-tor-nodes-nftables-variant-implemented/22121 "2026-09-13T19:04:21Z")
Yay, I've been wondering for years why you aren't using nftables. :wink: 2 hints: - Use \`auto-merge\` and \`interval\` flag in dynamic sets. - Block crazy packets like this in line 172, in chain 'ingress' before conntra… --- ## [\[tor-relays\] Re: DDoS solution for Tor nodes - nftables variant implemented](https://forum.torproject.org/t/tor-relays-re-ddos-solution-for-tor-nodes-nftables-variant-implemented/22119)
**Author:** [@forest](https://forum.torproject.org/u/forest)\ **Replies:** 0\ **Last updated:** [September 13, 2026, 9:22am UTC](https://forum.torproject.org/t/tor-relays-re-ddos-solution-for-tor-nodes-nftables-variant-implemented/22119 "2026-09-13T09:22:02Z")
Hello. I eventually managed to have it \[1\] for nftables too and will continue to maintain both variants. I wrote an nftables port as well, with some adjustments. It relies on populating an nftables set with the lis… --- ## [\[tor-relays\] Complete list of Tor Metrics keys](https://forum.torproject.org/t/tor-relays-complete-list-of-tor-metrics-keys/22112)
**Author:** [@forest](https://forum.torproject.org/u/forest)\ **Replies:** 0\ **Last updated:** [September 12, 2026, 5:33am UTC](https://forum.torproject.org/t/tor-relays-complete-list-of-tor-metrics-keys/22112 "2026-09-12T05:33:40Z")
Hello. In order to analyze the ongoing DDoS attack, I'm collecting metrics data need a "dictionary" containing a typical metrics output in order to get a better compression ratio. The best I have comes from: curl -… --- ## [\[tor-dev\] Upcoming C-tor security release - 0.4.9.12](https://forum.torproject.org/t/tor-dev-upcoming-c-tor-security-release-0-4-9-12/22075)
**Author:** [@dgoulet](https://forum.torproject.org/u/dgoulet)\ **Replies:** 2\ **Last updated:** [September 10, 2026, 9:09pm UTC](https://forum.torproject.org/t/tor-dev-upcoming-c-tor-security-release-0-4-9-12/22075 "2026-09-10T21:09:20Z")
Greetings everyone! Next Tuesday, September 8th, we will do a C-tor release (0.4.9.12) containing fixes for a set of high severity issues. And then, as a heads up, C-tor will likely enter a release cadence every 2-3 … [Next page](https://forum.torproject.org/c/mailing-lists/23.md?page=1)