Can I block spam from my TOR node?

Question

Tor

Hello! I would like to set up a TOR node at home. I do not mind. But I don't want to be an accomplice in spamming/arbitrage. Is it possible to filter this traffic?
As an option - captcha) at the entrance / every 5th page

Answer 1

> I would like to raise the TOR node
Well, it's a noble cause.
> at home
I strongly advise against doing this.
> Is it possible to filter this traffic?
Kill all ports for tor except 80, 443 and 8080.