W authme znajduje się taka opcja:
Protection:
# Enable some servers protection (country based login, antibot)
enableProtection: true
# Apply the protection also to registered usernames
enableProtectionRegistered: true
# Countries allowed to join the server and register. For country codes, see
# http://dev.maxmind.com/geoip/legacy/codes/iso3166/
# PLEASE USE QUOTES!
countries:
- 'PL'