Netopia 6.3 - Manual (Page 82)

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Section 4 Configure
The capacity of the security log is 100 security alert messages. When the log
reaches capacity, subsequent messages are not captured, but they are noted in
the log entry count.
Table of Time Offsets (in hours) from GMT
Take the recorded UTC/GMT value and subtract the offset value to get the
time that an event occurred in your system.
To reset this log, select Reset from the Security Monitor tool bar.
The following message is displayed.
When the Security Log contains no entries, this is the response
Timestamp Background
During bootup, to provide better log information and to support improved
troubleshooting, a Cayman Gateway acquires the National Institute of
Standards and Technology (NIST) Universal Coordinated Time (UTC) refer-
ence signal.
Once per hour, the Gateway attempts to re-acquire the NIST reference, for
re-synchronization or initial acquisition of the UTC information. Once
acquired, all subsequent log entries display this date and time information.
UTC provides the equivalent of Greenwich Mean Time (GMT) information.
If the WAN connection is not enabled, the internal clocking function of the
Gateway provides log timestamps based on “uptime” of the unit.
Remember that the “time stamp” is Universal Coordinated Time (UTC) which
is the equivalent of Greenwich Mean Time.
For your convenience, the table below lists the time offsets for various North
American time zones.
See Timestamp Background information on the next page for more details.
Zone -> Hawaii Alaska Pacific Mountain Central Eastern Atlantic UTC/GMT
Standard
Time
-10 -9 -8 -7 -6 -5 -4 0
Daylight
Savings
Time
N/A -8 -7 -6 -5 -4 -3 0