This example shows how to configure the available settings for 51Degrees' on-premise device detection in Varnish. This example is available in full on GitHub.
This example requires a local data file. The free 'Lite' data file can be acquired by pulling the git submodules under this repository (run `git submodule update --recursive`) or from the device-detection-data GitHub repository.
The Lite data file is only used for illustration, and has limited accuracy and capabilities. Find out about the more capable data files that are available on our pricing page
The path to the data need to be updated before running the example.
In a Linux environment, the following commands:
$ curl localhost:8080 -I -A "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
Expected output:
HTTP/1.1 200 OK
...
X-Metadata: False:55:0:0:PREDICTIVE:__zilla/5.0 (Windows____10.0; Win6_______________________________________________Chrome/7_.0.3904__7 Safari/5_____:23:15364-38914-97847-18092
vcl 4.0;
import fiftyonedegrees;
backend default {
.host = "127.0.0.1";
.port = "80";
}
sub vcl_deliver {
set resp.http.X-Metadata = fiftyonedegrees.match_all("IsMobile,Iterations,Drift,Difference,Method,UserAgents,MatchedNodes,DeviceId");
}
sub vcl_init {
fiftyonedegrees.set_delimiter(":");
fiftyonedegrees.set_drift(10);
fiftyonedegrees.set_difference(8);
fiftyonedegrees.set_max_concurrency(5);
fiftyonedegrees.set_allow_unmatched("YES");
fiftyonedegrees.set_use_performance_graph("NO");
fiftyonedegrees.set_use_predictive_graph("YES");
fiftyonedegrees.start("/etc/varnish/51Degrees-LiteV4.1.hash");
}