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Changing origins based on user location

  Last updated September 20, 2016

Fastly allows you to change origins based on user location. The VCL looks something like this:

  # default conditions
  set req.backend = F_global;

  # Use restricted content if the user is in Asia, France or Germany
  if (geoip.continent_code == "AS" || geoip.country_code == "fr" || geoip.country_code == "de") {
    set req.backend = F_restricted_content;
  }

So, how does this translate to the Fastly UI? First, create a new header on the Content page of the Configure page. The Type is Request and the Action is Set. Note that the priority is 10. The backend (here it's F_global) should be the name of whatever your global origin server is. You can see the name if you look at your VCL.

setting a default origin via the Create a new header page

Now create another header almost exactly the same with two differences: it sets the backend to be your restricted origin server and the priority is higher than the previous header.

setting a restricted origin via the Create a new header page

Finally, attach a condition to the restricted origin header which checks the GeoIP header:

adding a restricted origin condition via the Create a new request condition window


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