Cisco Cisco Web Security Appliance S380 Guida Utente
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Cisco IronPort AsyncOS 7.1 for Web User Guide
OL-23207-01
Chapter 26 System Administration
Setting System Time
The web interface uses the POSIX-style method of indicating the time zone using
a GMT offset. This may be different than the offset convention used elsewhere.
a GMT offset. This may be different than the offset convention used elsewhere.
The offset refers to the amount of hours that must be added or subtracted to the
local time zone in order to reach GMT (Greenwich Mean Time or the Prime
Meridian). Hours preceded by a minus sign (“-”) are east of the Prime Meridian.
A plus sign (“+”) indicates west of the Prime Meridian.
local time zone in order to reach GMT (Greenwich Mean Time or the Prime
Meridian). Hours preceded by a minus sign (“-”) are east of the Prime Meridian.
A plus sign (“+”) indicates west of the Prime Meridian.
For example, if the current time in New York is 08:00, then you must add five
hours to get the current time in Greenwich, England, which is 13:00. In this case,
to indicate the time in New York, the GMT offset is GMT+5. The “+5” in the
offset indicates that you must add five hours to the time in New York to reach
Greenwich Mean Time.
hours to get the current time in Greenwich, England, which is 13:00. In this case,
to indicate the time in New York, the GMT offset is GMT+5. The “+5” in the
offset indicates that you must add five hours to the time in New York to reach
Greenwich Mean Time.
Editing System Time
To edit system time, use the System Administration > Time Settings page.
Figure 26-17
The Edit Time Settings Page
Configure NTP (Network Time Protocol)
To edit NTP server settings and use an NTP server to synchronize the system
clock with other computers:
clock with other computers:
Step 1
Enter an NTP server IP address and use the Add Row key to repeat as necessary
for each NTP server.
for each NTP server.