For multi-user communication through voice and visual elements, Vrex needs permission to send information through the firewall. By providing the following information to your IT department they will be able to open up for multi-user collaboration with Vrex.
| Source | Destination | Port | Use/reason |
| app.vrex.no | Account administration website | ||
| Client network | eu1.com.vrex.vixel.no (18.194.34.130) | UDP5055 and UDP5056 | Audio communication, and visual synchronization with other meeting participants |
| 2uhv8tme94.execute-api.eu-central-1.amazonaws.com | API | ||
| 5n4hoaxzr1.execute-api.eu-central-1.amazonaws.com | API | ||
| byp9asdb2c.execute-api.eu-central-1.amazonaws.com | API | ||
| h24x3fuh40.execute-api.eu-central-1.amazonaws.com | API | ||
| vrex-projects-production.s3.eu-central-1.amazonaws.com | 3D data buffer during sessions | ||
| vrex-projects-release.s3.eu-central-1.amazonaws.com | Application version check, and download of updates. |
No manual file-sharing is required. No original CAD-models are distributed to any meeting participants.