Sample shows blocking access in according to EU regulation for Intangible transfer of technology related to dual-use items
app.UseFireWall()
.UseGeoBlockingMiddleware(options =>{
options.Block(new[] { GeoLocation.NorthKorea, GeoLocation.Iran, GeoLocation.Myanmar, GeoLocation.RussianFederation, GeoLocation.Syrian });
});
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2