List of network ports

This table lists the network ports, protocols, and services required for device communication, discovery, and control.

Port Protocol Service Product
53 UDP DNS Translates domain names to IP addresses.
68 UDP DHCP Automatically assigns IP addresses to devices.
80 TCP HTTP Purely used for securely redirecting communication to port 443.
443 TCP SSC Sound Control Protocol v2 (SSCv2) Sennheiser Sound Control Protocol v2 is an HTTPS-based protocol used for control communication between the Control Application (Sennheiser Control Cockpit or 3rd Party Access) and the device.
443 TCP Update Used for updating the device firmware.
443 TCP MQTT HTTPS based protocol, used for the control communication between the control software (Sennheiser DeviceHub) and the device.
5353 UDP mDNS
(Multicast 224.0.0.251)
mDNS (Multicast 224.0.0.251) is used by Sennheiser Control Cockpit to discover devices. You can disable this port in the Control Cockpit web interface and add devices manually instead.
28800, 28700-28708, 38800, 38700-38708, 14336-15359, 34336-34600, 4440, 4444, 4455, 24440, 24441, 24444, 24455, 4777, 8850, 28900, 24445, 8850, 38900, 8899, 8000, 8001, 8002, 8029, 8751, 8800, 61440-61951, 123, 8702, 69, 6969, 9005, 67, 6700 UDP Dante® For more information about Dante® ports, please refer to the Audinate website.
4777, 8028, 8753, 4778, 443, 80, 8001, 8443, 8081, 27017 TCP Dante® For more information about Dante® ports, please refer to the Audinate website.
4321, 5004, 319, 320, 5353, 8700-8708, 9998, 9875 TCP/ UDP Dante® For more information about Dante® ports, please refer to the Audinate website.
n/a ICMP Ping Error messages and operational information.