122 lines
3.3 KiB
Markdown
122 lines
3.3 KiB
Markdown
Description
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===========
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**ngx_http_geoip2_module** - creates variables with values from the maxmind geoip2 databases based on the client IP (default) or from a specific variable (supports both IPv4 and IPv6)
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The module now supports nginx streams and can be used in the same way the http module can be used.
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## Installing
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First install [libmaxminddb](https://github.com/maxmind/libmaxminddb) as described in its [README.md
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file](https://github.com/maxmind/libmaxminddb/blob/master/README.md#installing-from-a-tarball).
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#### Download nginx source
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```
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wget http://nginx.org/download/nginx-VERSION.tar.gz
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tar zxvf nginx-VERSION.tar.gz
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cd nginx-VERSION
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```
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##### To build as a dynamic module (nginx 1.9.11+):
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```
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./configure --add-dynamic-module=/path/to/ngx_http_geoip2_module
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make
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make install
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```
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This will produce ```objs/ngx_http_geoip2_module.so```. It can be copied to your nginx module path manually if you wish.
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Add the following line to your nginx.conf:
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```
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load_module modules/ngx_http_geoip2_module.so;
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```
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##### To build as a static module:
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```
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./configure --add-module=/path/to/ngx_http_geoip2_module
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make
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make install
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```
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## Download Maxmind GeoLite2 Database (optional)
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The free GeoLite2 databases are available from [Maxminds website](http://dev.maxmind.com/geoip/geoip2/geolite2/)
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[GeoLite2 City](http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz)
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[GeoLite2 Country](http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.mmdb.gz)
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## Example Usage:
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```
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http {
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...
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geoip2 /etc/maxmind-country.mmdb {
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$geoip2_metadata_country_build metadata build_epoch;
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$geoip2_data_country_code default=US source=$variable_with_ip country iso_code;
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$geoip2_data_country_name country names en;
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}
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geoip2 /etc/maxmind-city.mmdb {
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$geoip2_data_city_name default=London city names en;
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}
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....
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fastcgi_param COUNTRY_CODE $geoip2_data_country_code;
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fastcgi_param COUNTRY_NAME $geoip2_data_country_name;
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fastcgi_param CITY_NAME $geoip2_data_city_name;
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....
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}
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stream {
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...
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geoip2 /etc/maxmind-country.mmdb {
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$geoip2_data_country_code default=US source=$remote_addr country iso_code;
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}
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...
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}
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```
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##### Metadata:
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Retrieve metadata regarding the geoip database.
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```
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$variable_name metadata <field>
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```
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Currently the only metadata field supported is build_epoch.
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##### GeoIP:
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```
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$variable_name [default=<value] [source=$variable_with_ip] path ...
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```
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If default is not specified, the variable will be empty if not found.
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If source is not specified, $remote_addr will be used to perform the lookup.
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To find the path of the data you want (eg: country names en), use the [mmdblookup tool](https://maxmind.github.io/libmaxminddb/mmdblookup.html):
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```
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$ mmdblookup --file /usr/share/GeoIP/GeoIP2-Country.mmdb --ip 8.8.8.8
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{
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"country":
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{
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"geoname_id":
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6252001 <uint32>
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"iso_code":
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"US" <utf8_string>
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"names":
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{
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"de":
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"USA" <utf8_string>
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"en":
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"United States" <utf8_string>
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}
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}
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}
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$ mmdblookup --file /usr/share/GeoIP/GeoIP2-Country.mmdb --ip 8.8.8.8 country names en
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"United States" <utf8_string>
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```
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This translates to:
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```
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$country_name "default=United States" source=$remote_addr country names en
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```
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