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PI System Connector 3

Firewall configuration

  • Last UpdatedSep 15, 2026
  • 1 minute read

You must properly configure firewalls to support communication between PSC3 and PI Connector Broker.

Communication between a connector and PI System Connector Broker occurs using a valid Advanced Message Queuing Protocol (AMQP) port over TCP. See Set the destination for additional information on how to configure the broker destination.

The channel is secured by self-signed certificates that are created during installation. The same certificates are also used for authentication. If any firewalls are in the network route from the connector to the broker, all firewalls must be configured to permit the connector to open connection to the TCP port on the broker host.

Note: The firewalls can be physical network devices or the Windows firewall on broker or connector hosts.

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