Firewall configuration: List of required ports and host names

To ensure seamless integration of our products into your IT environment, specific ports and hosts need to be taken into account. This article provides a comprehensive overview of the required details, enabling secure and efficient communication between your network and our services.

For convenience, you can download a detailed document containing all necessary information at the end of this article.

• Purpose: This document is intended for reference only to support your IT team during configuration.
• Usage Restrictions:
  • Please do not modify the file content without prior authorization.
  • Any modifications or unauthorized use may result in incorrect configurations, for which we cannot take responsibility.
• Version Information: Ensure you are using the latest version of this file. Check the release date included in the file name for accuracy.

Last changes: 

April 30th, 2026
Added connection for ColorPlugin login (checks online access)

March 11th, 2026
Specified version number of new ColorProof version (5.17.1) that requires firewall adjustments.

November 28th, 2025
Added port for Epson x000 printer connection.