[tor-relays] Filtering TOR Non-exit Relay - Just Curious

[Nelson]

> There's no classes of traffic for nodes that aren't exits. Exits can
> guess based on the port what certain traffic is, port 25 for example
> gets abused by spammers so it is not allowed by default. Exits are able
> to identify the communication end-point and can exclude those that
> complain about abuse. Exits are at the worst spot when it comes to
> complains, they get them, middle-relays don't have that and they can not
> distinguish traffic anyway, and they shouldn't be able to do so.
> 
> Regards,
> Sebastian G.

Thank you.

Nelson