Should I try to connect to an OPC server through a firewall?

Q&A ForumShould I try to connect to an OPC server through a firewall?
Guest Staff asked 4 years ago

We have a SCADA server on Corporate network that has pipeline data that we would like to trend in PHD. It seems OPC is the only viable way to connect to the Data Source. Should I try to connect to an OPC server through a firewall?

1 Answers
Guest Staff answered 4 years ago

We suggest that you install a PHD collector on the same side of the firewall and your OPC server. OPC requires a very large range of ports to be open to be able to communicate properly. We highly recommend not connecting OPC over a firewall for security reasons.

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