[tor-relays] Hello CypherpunkLabs Tor relays

nusenu nusenu-lists at riseup.net
Mon Aug 24 21:17:02 UTC 2020

Hello CypherpunkLabs,

I noticed your set of new relays and wanted to say hi,
welcome you to the Tor relay community
and give you a few recommendations and pointers especially since you are aiming to run 100 tor relays.

The Tor relay guide has a lot of useful information, so you probably want to start there:

Since all your current relays appear to be OVH based I'd like to point out the following
quote from the guide:

> Try to avoid the following hosters:
>     OVH SAS (AS16276)
>     Online S.a.s. (AS12876)
>     Hetzner Online GmbH (AS24940)
>     DigitalOcean, LLC (AS14061)

The reasoning behind this, is that those hosters are already hosting many tor relays,
and the network dislikes centralization. OVH is the biggest commercially available tor hoster in terms of exit capacity
today already.

Depending on your per-relay size you might end up running a big fraction of the network and
especially big exit operators are encourage to take care of their DNS resolution.
Specific guidelines can be found here:

IPv6 connectivity is also encouraged (which currently none of your relays appear to have).

Especially for big operators it is recommended to managed their relays using configuration
management (puppet, salt, ansible, ...) and update them regularly.

An ansible role for Tor relay operator (I maintain) can be found at:

The ContactInfo Information Sharing Specification is a spec about a machine readable ContactInfo string:

Your site suggests that you (will) run bridges and exits.
Combining these two types of nodes under a single operator is generally a
bad idea since tor's MyFamily configuration is not supported for bridges, so users might end up
using your bridges _and_ your tor exits - which puts them at risk should someone compromise you, please
consider running non-bridges only.

For strong protections for your long term relay keys 
you can use tor's OfflineMasterKey feature,
especially relevant if your run a big fraction of the network:

kind regards,

PS: don't forget about your MyFamily setting if you do not choose a solution
that manages that for you automatically.


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