IP Geolocation Filter

This filter decorates HTTP requests with the geolocation data. Filter uses client address to lookup information (eg client’s city, country) in the geolocation provider database. Upon a successful lookup request will be enriched with the configured geolocation header and value from the database. In case the configured geolocation headers are present in the incoming request, they will be overriden by the filter. Geolocation filter emits stats for the number of successful lookups and the number of total lookups.

Configuration

This filter should be configured with the type URL type.googleapis.com/envoy.extensions.filters.http.geoip.v3.Geoip.
v3 API reference

Statistics

Geolocation filter outputs statistics in the http.<stat_prefix>.geoip.<geo-header-name>. namespace. The stat prefix comes from the owning HTTP connection manager.

Name	Type	Description
.hit	Counter	Number of successful lookups within geolocation database for a configured geolocation header.
.total	Counter	Number of total lookups within geolocation database for a configured geolocation header.

Configuration example

name: envoy.filters.http.geoip
typed_config:
  "@type": type.googleapis.com/envoy.extensions.filters.http.geoip.v3.Geoip
  use_xff: true
  xff_num_trusted_hops: 1
  geo_headers_to_add:
    country: "x-geo-country"
    region: "x-geo-region"
  provider:
      name: "envoy.geoip_providers.maxmind"