PFHMIIPCCS-MM01-EN.01

Network Monitoring

When using a firewall:

  • Periodically monitor the firewall to ensure the configuration has not been changed, and that the firewall status does not indicate communication has occurred on unexpected ports.

  • Only open those ports that are necessary for network communication.

When using network switches:

  • Periodically monitor the switch to ensure the configuration has not been changed, and that the switch status does not indicate communication has occurred on unexpected ports.

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