ngx_http_geoip2_module/README.md
2016-02-10 20:43:08 +00:00

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Description
===========
**ngx_http_geoip2_module** - creates variables with values from the maxmind geoip2 databases based on the client IP (supports both IPv4 and IPv6)
## Installing
First install [libmaxminddb](https://github.com/maxmind/libmaxminddb) as described in its [README.md
file](https://github.com/maxmind/libmaxminddb/blob/master/README.md#installing-from-a-tarball).
#### Download nginx source
```
wget http://nginx.org/nginx-VERSION.tar.gz
tar zxvf nginx-VERSION.tar.gz
cd nginx-VERSION
```
##### To build as a dynamic module (nginx 1.9.11+):
```
./configure --add-dynamic-module=/path/to/ngx_http_geoip2_module
make
make install
```
This will produce ```objs/ngx_http_geoip2_module.so```. It can be copied to your nginx module path manually if you wish.
Add the following line to your nginx.conf:
```
load_module modules/ngx_http_geoip2_module.so;
```
##### To build as a static module:
```
./configure --add-module=/path/to/ngx_http_geoip2_module
make
make install
```
## Download Maxmind GeoLite2 Database (optional)
The free GeoLite2 databases are available from [Maxminds website](http://dev.maxmind.com/geoip/geoip2/geolite2/)
[GeoLite2 City](http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz)
[GeoLite2 Country](http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.mmdb.gz)
## Example Usage:
```
http {
...
geoip2 /etc/maxmind-country.mmdb {
$geoip2_data_country_code default=US country iso_code;
$geoip2_data_country_name country names en;
}
geoip2 /etc/maxmind-city.mmdb {
$geoip2_data_city_name default=London city names en;
}
....
fastcgi_param COUNTRY_CODE $geoip2_data_country_code;
fastcgi_param COUNTRY_NAME $geoip2_data_country_name;
fastcgi_param CITY_NAME $geoip2_data_city_name;
....
}
```
To find the path of the data you want (eg: city names en), use the [mmdblookup tool](https://maxmind.github.io/libmaxminddb/mmdblookup.html):
```
$ mmdblookup --file /usr/share/GeoIP/GeoIP2-Country.mmdb --ip 8.8.8.8
{
"country":
{
"geoname_id":
6252001 <uint32>
"iso_code":
"US" <utf8_string>
"names":
{
"de":
"USA" <utf8_string>
"en":
"United States" <utf8_string>
}
}
}
$ mmdblookup --file /usr/share/GeoIP/GeoIP2-Country.mmdb --ip 8.8.8.8 country names en
"United States" <utf8_string>
```