Article - CS335988

OPC UA firewall port definitions in PTC Kepware products

Modified: 06-Apr-2023   


Applies To

  • Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.9
  • ThingWorx Kepware Server (legacy) 8.0 to 6.9

Description

  • Clarification of OPC UA firewall ports 
  • What is the default OPC UA port
  • Can the OPC UA port be changed
  • Are there multiple ports that need to be configured for OPC UA communications
  • Need help finding the OPC Aggregator Port # to open up the firewall between OPC Aggregator and Kepware
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