32 Rockwell Automation Publication 1783-UM010C-EN-P - June 2019
Chapter 2 Industrial Firewall Use Cases
Time Synchronization
Along with the initial setup steps, the IFW must be configured with
information on where to obtain its time synchronization data. The firewall and
FirePOWER components of the IFW have separate settings for time, and both
must be configured independently.
To configure time synchronization for the firewall component, complete the
following steps:
1. Click Configuration at the top left, then Device Setup at the bottom
left. From the Device Setup pane, select System Time > NTP.
2. Click Add to open the NTP server configuration window.
For IP Address, enter the IP address of the NTP server, and check
Preferred to make this server the definitive time source. Choose from the
Interface pull-down menu if NTP packets can be sent out of a particular
interface. Finally, enter any NTP authentication information in the
Authentication Key section of the window, and click OK.
Figure 12 - Firewall Add NTP Server Configuration Window
3. Confirm the NTP server settings that are displayed in the table, then
click Apply to make the changes take effect.
IMPORTANT Without properly configured timing information, unexpected behaviors can
be observed; for example, intrusion events cannot be displayed in the
real-time event log.
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