Blocking a site by country, how?

Question

PHP

Tell me please. It is necessary to prohibit access to the site to all countries except Russia and the CIS. How can this be done? Ideally, when visiting a site from Europe, a person should be redirected to another domain.

Engine on php + mysql, server on apache + nginx

Answer 1

geoip and redirect unwanted countries.

Answer 2

i once used this mycrimea.su/partners/web/access/

Answer 3

use, for example, geobaza.ru/ru/download/ to determine the country by ip-address
api on php implemented

Answer 4

A big request, help set up a redirect and country blocking through .htaccess.
I tried this code, after applying the error 500 was received ...
GeoIPEnable On
SetEnvIf GEOIP_COUNTRY_CODE CN BlockCountry
Deny from env=BlockCountry
(CN - China)