[tor-relays] Preferred range for ephemeral ports

[shruub]

Hello,

thanks for supporting the tor network! If I recall correctly, the lower 
the better. E.g. if you start at 32768, which is the recommended port 
range due to it not being used else where "officially", until 33018. 
However, 60000 - 60250 should also work well. You might also want to see 
[1] for more information.

Best,
shruub

[1] 
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/wikis/NAT-matching