Here are some ideas you may be interested in… As I already said to you it’s not an exact science. You should keep what’s important for security first and consider all this “optional” Plus, remember that all suggested “time durations” are subjective depending on how frenetic are accessess to your site and how strong should … Read more
You can use geoip gem. environment.rb config.gem ‘geoip’ Download GeoIP.dat.gz from http://www.maxmind.com/app/geolitecountry. unzip the file. The below assumes under #{RAILS_ROOT}/db dir. @geoip ||= GeoIP.new(“#{RAILS_ROOT}/db/GeoIP.dat”) remote_ip = request.remote_ip if remote_ip != “127.0.0.1” #todo: check for other local addresses or set default value location_location = @geoip.country(remote_ip) if location_location != nil @model.country = location_location[2] end end
Mapping IP addresses to geolocations is done via tables, where an IP maps to a particular location. This location, however, doesn’t need to be accurate, since IP addresses don’t carry any information about their locations, these are approximated. From Wikipedia’s article on Internet geolocation: The primary source for IP address data is the regional Internet … Read more
Totally free, LGPL, not easily found in google: ip2c.org
There are free, easy APIs you can use, like those: http://ipinfodb.com/ip_location_api.php http://www.ipgeo.com/api/ http://ip2.cc/ http://www.geobytes.com/IpLocator.htm https://iplocate.io/ and plenty others. Which one looks the most trustworthy is up to you 🙂 Otherwise, there are scripts which are based on local databases on your server. The database data needs to be updated regularly, though. Check out this one: … Read more