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|
=encoding utf-8
=head1 NAME
ngx_stream_geoip_module - Module ngx_stream_geoip_module
=head1
The C<ngx_stream_geoip_module> module (1.11.3) creates variables
with values depending on the client IP address, using the precompiled
L<MaxMind|http://www.maxmind.com> databases.
When using the databases with IPv6 support,
IPv4 addresses are looked up as IPv4-mapped IPv6 addresses.
This module is not built by default, it should be enabled with the
C<--with-stream_geoip_module>
configuration parameter.
B<NOTE>
This module requires the
L<MaxMind GeoIP|http://www.maxmind.com/app/c> library.
=head1 Example Configuration
stream {
geoip_country GeoIP.dat;
geoip_city GeoLiteCity.dat;
map $geoip_city_continent_code $nearest_server {
default example.com;
EU eu.example.com;
NA na.example.com;
AS as.example.com;
}
...
}
=head1 Directives
=head2 geoip_country
B<syntax:> geoip_country I<I<C<file>>>
B<context:> I<stream>
Specifies a database used to determine the country
depending on the client IP address.
The following variables are available when using this database:
=over
=item C<$geoip_country_code>
two-letter country code, for example,
“C<RU>”, “C<US>”.
=item C<$geoip_country_code3>
three-letter country code, for example,
“C<RUS>”, “C<USA>”.
=item C<$geoip_country_name>
country name, for example,
“C<Russian Federation>”, “C<United States>”.
=back
=head2 geoip_city
B<syntax:> geoip_city I<I<C<file>>>
B<context:> I<stream>
Specifies a database used to determine the country, region, and city
depending on the client IP address.
The following variables are available when using this database:
=over
=item C<$geoip_area_code>
telephone area code (US only).
B<NOTE>
This variable may contain outdated information since
the corresponding database field is deprecated.
=item
C<$geoip_city_continent_code>
two-letter continent code, for example,
“C<EU>”, “C<NA>”.
=item C<$geoip_city_country_code>
two-letter country code, for example,
“C<RU>”, “C<US>”.
=item C<$geoip_city_country_code3>
three-letter country code, for example,
“C<RUS>”, “C<USA>”.
=item C<$geoip_city_country_name>
country name, for example,
“C<Russian Federation>”, “C<United States>”.
=item C<$geoip_dma_code>
DMA region code in US (also known as “metro code”), according to the
L<geotargeting|https://developers.google.com/adwords/api/docs/appendix/cities-DMAregions>
in Google AdWords API.
=item C<$geoip_latitude>
latitude.
=item C<$geoip_longitude>
longitude.
=item C<$geoip_region>
two-symbol country region code (region, territory, state, province, federal land
and the like), for example,
“C<48>”, “C<DC>”.
=item C<$geoip_region_name>
country region name (region, territory, state, province, federal land
and the like), for example,
“C<Moscow City>”, “C<District of Columbia>”.
=item C<$geoip_city>
city name, for example,
“C<Moscow>”, “C<Washington>”.
=item C<$geoip_postal_code>
postal code.
=back
=head2 geoip_org
B<syntax:> geoip_org I<I<C<file>>>
B<context:> I<stream>
Specifies a database used to determine the organization
depending on the client IP address.
The following variable is available when using this database:
=over
=item C<$geoip_org>
organization name, for example, “The University of Melbourne”.
=back
|
