[tor-relays] Exits lost their function

[Roger Dingledine]

On Fri, Feb 09, 2018 at 07:37:09PM +0100, niftybunny wrote:
> Minimum is:
> 
> accept *:53
> accept *:80
> accept *:443

(A) Correct, we recently changed it so both 80 and 443 are required:
https://bugs.torproject.org/23637

(B) Port 53 has nothing to do with the exit flag, and it goes mostly
unused anyway -- you might think 53 is dns, but most dns is not done in
the form of tunneled tcp connections to tcp port 53.

--Roger