[tor-relays] Questions about Fallbacks

[teor]

Hi,

> On 8 Oct 2019, at 17:03, Michael Gerstacker <michael.gerstacker at googlemail.com> wrote:
> 
> when i setted up my relays i choosed 443 as the ORPort.
> My thought behind it was that 443 is most likely not blocked and less likely observed because the ISP could expect to anyway only see encrypted data so a Tor connection will more likely slip through it.
> 
> I let the DirPort on 9030 because i read that clients anyway only use the ORPort and i thought if a authority will connect to me it makes no difference because none of my ports is blocked.
> 
> Now some of my relays are Fallbacks.
> 
> Would it be a benefit for the network if i change the DirPort to 80 or is the DirPort still not used by clients?

The DirPort is not used by clients.

> Is it necessary to opt-out the relay as a fallback if it was shut down by the provider and already is long gone from metrics?

It won't make much difference.
Relay search deletes missing relays after a week or so.
We rebuild the fallback list and delete missing relays every 6-12 months.

T