Please read announcement

Router maintenance at Hetzner →

metrics.torproject.org Tor Check GitLab Email Mailing lists

Hetzner has planned an emergency maintenance window on all of their routers, which will cause a network outage on all of our hosts in their datacenters. The maintenance window is planned on December 3rd 2024 from 3:30 UTC to 5:30 UTC, during which the network may experience spurious outages.

Services should come back online automatically as soon as network connectivity is restored by Hetzner.


Mailman 3 upgrade →

Mailing lists

TL;DR: Mailman 3 upgrade happened on November 4th, starting at 14:00 UTC, and ending around 21:00 UTC. Report issues on GitLab.

As mentioned in early October, we’re in the process of upgrading our main mail server, which includes upgrading to the shiny new Mailman 3 platform. This will involve short per-list outage as each migrates over to the new server. It’s unclear how long the maintenance will last, but assume mailing lists will be disrupted all day, although each migration…


Tor Network   (?) Core services that are integral to the Tor Network.
v3 Onion Services   (?) Third generation onion services – running private services (e.g. websites) that are only accessible through the Tor network. Operational
Directory Authorities   (?) Special-purpose relays that maintain a list of currently-running relays and periodically publish a consensus together. Operational
Network Experiments   (?) Experiments running on the Tor network. None
Tor Project websites   (?) Official websites and services hosted and maintained by the Tor Project.
torproject.org   (?) Our official website and its associated portals (e.g. community.torproject.org). 🔗 Operational
Tor Check   (?) The check.torproject.org website, used to confirm you're connected to the Tor Network. 🔗 Maintenance
metrics.torproject.org   (?) The metrics.torproject.org website, used to easily access metrics related to Tor. 🔗 Maintenance
ExoneraTor   (?) Queryable database of IP addresses which were a Tor relay at a specified date. 🔗 Operational
weather.torproject.org   (?) The weather.torproject.org website, providing a service for relay operators to keep track of their relays. 🔗 Operational
donate.torproject.org   (?) The donate.torproject.org website, used to donate funds to the Tor Project. 🔗 Operational
Internal systems   (?) Tools and services that help us collaborate with one another, managed by the Tor Project System Administration Team (TPA).
GitLab   (?) Our code-review, bug tracking, and collaboration platform of choice (gitlab.torproject.org). 🔗 Maintenance
Email   (?) General email delivery from within the Tor Project. Maintenance
Mailing lists   (?) Our public and private mailing lists (lists.torproject.org) powered by Mailman, the GNU Mailing List Manager. 🔗 Maintenance
DNS   (?) Domain name resolution for the Tor Project infrastructure. Operational
v2 Onion Services   (?) Second generation onion services – running private services (e.g. websites) that are only accessible through the Tor network. Operational

Incident history


2024 (8)

Router maintenance at Hetzner

◆ December 3, 2024 at 3:30 AM UTC
November 4, 2024 at 2:00 PM UTC

Mailman 3 upgrade

◆ This issue is not resolved yet
October 7, 2024 at 12:00 PM UTC

schleuder maintenance

Resolved after 2m
October 2, 2024 at 4:00 PM UTC

donate website maintenance

Resolved after 2h 40m
May 14, 2024 at 12:00 AM UTC

Network Performance Issues

Resolved after 1080h 0m
March 19, 2024 at 3:00 PM UTC

Tor Weather outage

Resolved after 137h 58m of downtime
January 31, 2024 at 3:25 AM UTC

Tor Check outage

Resolved after 12h 25m of downtime
January 2, 2024 at 7:25 PM UTC

ExoneraTor outage

Resolved after 860h 11m of downtime

2023 (7)

December 6, 2023 at 2:00 PM UTC

Gitlab and CollecTor outage

Resolved after 1h 29m of downtime
October 27, 2023 at 6:23 AM UTC

Tor Weather data loss

Resolved after 300h 5m of downtime
May 30, 2023 at 3:00 AM UTC

donate website maintenance

Resolved after 60m of downtime
May 8, 2023 at 2:00 AM UTC

donate website maintenance

Resolved after 2h 45m of downtime
April 4, 2023 at 9:00 PM UTC

Tor Weather outage

Resolved after 186h 46m of downtime
March 30, 2023 at 12:41 PM UTC

Tor Weather outage

Resolved after 20h 5m of downtime
February 4, 2023 at 1:57 AM UTC

outage at main provider

Resolved after 1h 36m of downtime

2022 (4)

December 7, 2022 at 3:15 AM UTC

DNS services disruption

Resolved after 39h 15m
November 30, 2022 at 8:00 PM UTC

Email delivery problems

Resolved after 361h 48m
June 9, 2022 at 2:00 PM UTC

Network DDoS

Resolved after 8011h 0m
January 25, 2022 at 6:00 AM UTC

routing issues at main provider

Resolved after 60h 58m

2021 (4)

June 3, 2021 at 8:00 AM UTC

Disruption of Metrics website and relay search

Resolved after 272h 0m
May 6, 2021 at 4:45 PM UTC

V2 Onion Services deprecation

Resolved after 4447h 15m
January 27, 2021 at 11:00 PM UTC

Disruption of v3 onion services and consensus building

Resolved after 30h 30m
January 25, 2021 at 9:40 PM UTC

Email delivery problems to Google

Resolved in under a minute