HP X Unified Security Platform Series Bedienungsanleitung PDF herunterladen (Seite 247)

Time Options

X Family LSM User’s Guide V 2.5.1 231

Internal CMOS Clock

Set the Internal CMOS Clock Time

STEP 1

From the LSM, select System > Configuration > Time Options.

STEP 2

On the Time Options page in the Clock Source table, click Internal CMOS clock.

STEP 3

To automatically populate the date and time settings, click Set Time to Local Browser Time.

Type the CMOS Date and Time in the formats specified next to the fields.

STEP 4

Click Apply.

NTP Server

To synchronize the system time on the X family device with an external time server (NTP server),

select NTP as the clock source for your device. Using an NTP server, the device synchronizes time with

the NTP server which allows the timing of network events on different hosts to be compared more

accurately.

The following table provides information on the NTP protocol configuration parameters.

TIP

To ensure that events times from different network entities can be

meaningfully compared, configure the same NTP clients for the X family device

and other network devices.

CAUTION Using external NTP servers could possibly make your device susceptible to a

man-in-the-middle attack. It is more secure to use an NTP server on a local, protected

network.

Parameter Description

Duration Interval at which the X family device will check with the time server. A

zero value will cause time to be checked once on boot.

Offset If the difference between the new time and the current time is equal to or

greater than the offset, the new time is accepted by the device. A zero

value will force time to change every time the device checks.

Fast Sync If this field is set to 1, the X family device is allowed to trust the NTP

server after the first time query. This sets the local time on the device

immediately, but there is a risk that the set time will be incorrect. To

disable this option, set this value to 0.

Server Host, Port The IP address and Port for the NTP server

Peer Host, Port

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HP X Unified Security Platform Series Bedienungsanleitung Seite 247