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What is the required Loftware Web Listener communication configuration? 

Server side configuration:

  • Loftware Print Server
    • Port 2723 must be open to both UDP and TCP traffic.
  • Loftware Web Servlet
    • The port configured during installation (default: 8080).

Client side configuration

  • Grant the Web Listener unrestricted access to the Internet.
    • The Web Listener service does not use a specific port.
    • The Web Listener uses an HTTP call containing Loftware Proprietary data.



Article Number



 All supported Loftware versions with Web Listener


All supported installation environments.