Re: [tor-relays] Relay Guide - IPv6 Connectivity Testing

Subject: Re: [tor-relays] Relay Guide - IPv6 Connectivity Testing

Date: Tue, 26 Jun 2018 04:31:55 +1000

Delivery-date: Mon, 25 Jun 2018 14:32:13 -0400

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On 26 Jun 2018, at 02:40, nusenu <nusenu-lists@xxxxxxxxxx> wrote:

It would also be nice if the relay, itself, performed self-checks of
this connectivity and printed a warning log if some failure-threshold is
reached (and possibly disabling the IPv6 ORPort). But, in reality, this
is a hack

I wouldn't call it a 'hack', I'd consider it a reliability feature.

Relays already check that their IPv4 ORPorts are working.

Doing reachability checks for relay IPv6 ORPorts is a bit more

complicated, because we have to teach relays to extend over IPv6 first.

Here's the master ticket:

https://trac.torproject.org/projects/tor/ticket/24403

And if relays use authority IPv6 ORPorts to upload descriptors, they

will get connectivity checks for free:

https://trac.torproject.org/projects/tor/ticket/24777

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