Jamf Safe Internet uses DNS over HTTPS (DoH) to filter DNS lookup requests and to apply content filtering and network security protections. Each device using Jamf Safe Internet needs network access to communicate with Jamf Safe Internet using TCP Port 443, from endpoint to 'edns.wandera.com', and additionally, if you are located in the United States, from endpoint to 'edns.use1.us.sc.jamfcloud.com'.