| Required | ||
| Purpose | Outbound Ports | Domains |
| PresenceLearning web applications and services | TCP 443 | *.presencelearning.com |
| Hosting for therapy content such as static PDFs, images, documents, and media assets | TCP 443 | *.amazonaws.com |
| Real-time data sychronization for joining sessions, therapy activities, therapy environment management, and collaboration features | TCP 443 | *.firebaseio.com *.googleapis.com www.gstatic.com |
| Hosting for third-party assets and libraries | TCP 443 | fonts.gstatic.com cdnjs.cloudflare.com |
| Security certificate verification | TCP 443 | ocsp.godaddy.com crl.godaddy.com |
| Live video chat during therapy sessions | TCP 443 | static.opentok.com enterprise.opentok.com api.opentok.com anvil.opentok.com hlg.tokbox.com *.tokbox.com |
| Live video chat during therapy sessions | UDP 3478 | *.tokbox.com |
| Recommended | ||
| Purpose | Outbound Ports | Domains |
| For the best possible video chat experience and may be required on networks with congestion issues | UDP 1025-65525 | *.tokbox.com |
| Optional | ||
| Purpose | Outbound Ports | Domains |
| PresenceLearning Support Services chat | TCP 443 | *.salesforceliveagent.com |
| Therapy content from YouTube | TCP 443 | *.youtube.com *.googlevideo.com s.ytimg.com |
| Allows the student to browse the web under the therapist’s supervision | TCP 443 | *.samesurf.com *.webtype.com |