15.3. Looking up GeoIP2 data from IP addresses
The syslog-ng OSE application can lookup IP addresses from an offline GeoIP2 database, and make the retrieved data available in name-value pairs. Depending on the database used, you can access country code, longitude, and latitude information and so on.
The syslog-ng OSE application works with the Country and the City version of the GeoIP2 database, both free and the commercial editions. The syslog-ng OSE application works with the
mmdb (GeoIP2) format of these databases. Other formats, like
csv are not supported.
To access longitude and latitude information, download the City version of the GeoIP2 database.
There are two types of GeoIP2 databases available.
Unzip the downloaded database (for example, to the