nginx: How To Block Visitors By Country With The GeoIP Module (Debian/Ubuntu)

nginx: How To Block Visitors By Country With The GeoIP Module (Debian/Ubuntu)

This tutorial explains how to use the GeoIP module with nginx to
block visitors by country. This is made possible by the GeoIP database
which maps users’ IP addresses to countries. nginx must be compiled with
the HttpGeoipModule to use the GeoIP database.