To allow connections between the Zoom Meetings Hybrid module, the Zoom Node server, Zoom, and the Zoom Meeting client, the following firewall rules need to be added to your network.
If your Zoom Hybrid Meetings module is behind a firewall, please also set the following parameters:
Protocol | Ports | Source |
Destination |
TCP |
80 |
MeetingConnector.IP | ocsp.digicert.com* |
UDP |
8801, 8802, 8803 |
Hybrid MMRs and ZC | Zoom’s IP range |
UDP | 8801, 8802, 8803 | Hybrid MMR-1 | Hybrid MMR-2* |
TCP | 80, 443 | Zoom Node server | Zoom’s IP range |
UDP | 8801, 8802, 8803 | Client | Hybrid MMRs |
TCP | 80, 443 | Client | *.zoom.us *.zoomonprem.com |
TCP | 80, 443 | Client | Hybrid MMRs |
TCP | 443 | Hybrid MMRs |
*.zoom.us https://zoom-general.s3.amazonaws.com https://monitoring.*.amazonaws.com *.zoomonprem.com one.digicert.com |
*Note: This is only required if running internal mode.
**Note: For ocsp.digicert.com, the firewall needs to allow http and https traffic, as well as DNS resolution.