Network Ports / Firewall

World Streaming uses standard web technologies such as WebRTC and Websockets for delivery of the experience. In particularly robust corporate or similar networks, you may need to whitelist them.

This Page is Intended for System Administrators

If you are not the administrator of your network, the information on this page may not be useful - and we suggest checking the information on Troubleshooting instead.

Basic World Streaming Functionality

World Streaming is currently hosted at Google Cloud Compute - which uses a variety of locations for delivery. The following address is required to be whitelisted:


In addition, you can perform a WebRTC test at which will help diagnose common issues with WebRTC.


Voice is delivered by Vivox, for World Streaming you need to whitelist the following addresses:


Note: Vivox is commonly used by many games as well as enterprise applications; as a result the Vivox domain may be included in "blacklists" and as a result the domain may need to be removed from the blacklist.

Note for Google Chrome Enterprise Users: If your Group Policies include the DefaultMediaStreamSetting_BlockAccess setting being enabled - voice and video services will not work, even for passive listening.

Webcam & Screen Sharing

Webcam & Screen sharing is delivered by Agora, for World Streaming, you need to whitelist the following domains:

And the following ports on those domains:

TCP/80; 443; 3433; 5668; 5669; 4700 - 5000; 6080; 6443; 8667; 9667; 30011 - 30013 UDP/3478; 4700 - 5000

Agora additionally provide a basic testing service, available here.