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Last update: 2022-05-24


Set the Sophos Firewall clock.

Synchronize the clock on Sophos Firewall with predefined or custom Network Time Protocol (NTP) servers. Alternatively, set it to the local time zone or change the time and date manually.


To set the clocks of devices in your internal network, create firewall and NAT rules using the predefined service NTP.

  1. Go to Administration > Time.
  2. Current time shows the time and date of Sophos Firewall.
  3. Select the time zone of the location in which Sophos Firewall is deployed.
  4. To set the Sophos Firewall clock, select from the following:

    • Use predefined NTP server: Sophos Firewall uses NTP version 3 and synchronizes with
    • Use custom NTP server: Enter the IPv4 or IPv6 address or the domain name of the server.

      You can specify up to 10 NTP servers. Sophos Firewall checks sequentially until a server responds.

    • Do not use NTP server: Specify Date and Time. The default values are based on the time zone you specified above.

    • Click Sync now if you specified an NTP server.
    • Click Apply.
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