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User manual
Detailed description of the start-up and operation of your selected hardware and software product.
Network & Security Guide
This document is intended for IT administrators, system integrators and event technicians and serves as an planning and configuration guide for integrating components of the Spectera offering into diverse network environments from small home networks up to enterprise networks.
Ports, protocols and services
Sennheiser LinkDesk
In order to use the Sennheiser LinkDesk software, certain ports must be enabled (especially for the organization/enterprise firewall) for communication between software and devices.

User manual
Detailed description of the start-up and operation of your selected hardware and software product.
- Network & Security Guide
  This document is intended for IT administrators, system integrators and event technicians and serves as an planning and configuration guide for integrating components of the Spectera offering into diverse network environments from small home networks up to enterprise networks.
  - General requirements
  - Network setups
  - Ports, protocols and services
    - Sennheiser LinkDesk
      In order to use the Sennheiser LinkDesk software, certain ports must be enabled (especially for the organization/enterprise firewall) for communication between software and devices.
    - Spectera Base Station
      In order to use the Spectera Base Station device in a network, certain ports must be enabled (especially for the organization/enterprise firewall) for communication between software and devices.
    - Dante® ports
      To set up a Dante® network, defined port information is required.
  - Security
- Spectera
  Detailed description of the start-up and operation of your selected hardware.
- WebUI
  Detailed description of the WebUI navigation and configuration.
- LinkDesk
  Detailed description of the installation, start-up and operation of the LinkDesk software.

Sennheiser LinkDesk

In order to use the Sennheiser LinkDesk software, certain ports must be enabled (especially for the organization/enterprise firewall) for communication between software and devices.

If necessary, please contact the local administrator to configure the required ports.

Port requirements LinkDesk


Address	Port	Protocol	Type	Service	Usage
LOCALHOST	54352	HTTPS (TCP)	Unicast	LinkDesk backend	Internal backend communication
ANY	443	HTTPS (TCP)	Unicast	Spectera Base Station API	Communication to devices
Accounts EMEA ¹ B2C Configuration ²	443	HTTPS (TCP)	Unicast	Sennheiser CIAM	Sennheiser account Sign-In/Log-In
User insights ³ User insights ⁴	443	HTTPS (TCP)	Unicast	Sennheiser user insights	Analytics of usage and operational data
ANY	443	HTTPS (TCP)	Unicast	Spectera Base Station API	Base Station API Communication from devices
224.0.0.251	5353	mDNS (UDP)	Multicast	mDNS, DNS-SD	(optional - if desired) Device/service discovery
¹ accounts-pro-emea.sennheiser-cloud.com
² b2c-config.sennheisercloud.com
³ sennheiseruserinsights.matomo.cloud
⁴ cdn.matomo.cloud