Allowlist requirements for Condeco Screens

If you use allowlists or denylists you must allow access to the fully qualified domains listed below.

Android 8 Screens

Domain Protocol / PORT Fully Qualified Domain Names Reason / Usage
* HTTPS/443 Application Logging
* HTTPS/443 IoT messages
* HTTPS/443 API calls (registration, RFID etc.)
* HTTPS/443 Config data and firmware versions
* HTTPS/443 Connection test endpoint
Appropriate calendar service URL HTTPS/443

NTP Service

By default, screens are configured to use the standard NTP services listed below, however, screens can be configured to use a custom NTP service. At least one of the NTP servers must be added to the allowlist.

NTP Service NTP server Protocol / PORT Reason / Usage
Android NTP/123 (UDP only)
Apple NTP/123 (UDP only)
Google NTP/123 (UDP only)
Android NTP/123 (UDP only)
Time.Local time.local NTP/123 (UDP only) time.local is included to allow a customer to stand up their own internal NTP server if required
Custom NTP NTP/123 (UDP only) Screen settings allow a custom NTP server to be set.

Condeco Screens Admin Portal



Mobile API


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