How to read the regional information of IP using Nginx and GeoIP module

Install GeoIP on Linux

yum install nginx-module-geoip

http_geoip_module usage scenarios

1. Differentiate between domestic and foreign HTTP access rules

2. Differentiate domestic cities and regions to make HTTP access rules

After yum is installed, find the installed module file

If nginx is installed using yun, it is usually installed in the /etc/nginx/modules/ directory

Note: If nginx is not installed by yum but compiled from source code, you need to reinstall and compile nginx with this module, and then you do not need to add this module manually.

Manually add modules

The module is loaded at the same level as http in the header of the nginx.conf configuration file

load_module "modules/ngx_http_geoip_module.so";
load_module "modules/ngx_stream_geoip_module.so";

Because GeoIP is based on the database file provided by MaxMind to read the regional information, it is necessary to download the regional file of the IP.

This database is binary and cannot be opened with a text editor. The GeoIP library above is required to read it.

wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz #Country's regional IP
wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz #City's regional IP

Then unzip

load_module "modules/ngx_http_geoip_module.so";
load_module "modules/ngx_stream_geoip_module.so";

.......


http{
geoip_country /etc/nginx/geoip/GeoIP.dat; #Load country IP
geoip_city /etc/nginx/geoip/GeoLiteCity.dat; #Load city IP

.........

 server
 {
 ......



 location / {
 #If it is not Chinese, return 403;
 if ($geoip_country_code != CN) {
  return 403;
 }
 }
 #Return country and city information location /myip {
 default_type text/plain;
 return 200 "$remote_addr $geoip_country_name $geoip_country_code $geoip_city";
 }



....
 }
}

Then visit your IP address/myip to return the country and city information of the IP.

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