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Chapter 18 System
NBG4604 User’s Guide
176
New Time
(hh:mm:ss)
This field displays the last updated time from the time server or the
last time configured manually.
When you set
Time and Date Setup
to
Manual
, enter the new time
in this field and then click
Apply
.
New Date
(yyyy/mm/dd)
This field displays the last updated date from the time server or the
last date configured manually.
When you set
Time and Date Setup
to
Manual
, enter the new date
in this field and then click
Apply
.
Get from Time
Server
Select this radio button to have the NBG4604 get the time and date
from the time server you specified below.
Auto
Select
Auto
to have the NBG4604 automatically search for an
available time server and synchronize the date and time with the time
server after you click
Apply
.
User Defined
Time Server
Address
Select
User Defined Time Server Address
and enter the IP
address or URL (up to 20 extended ASCII characters in length) of
your time server. Check with your ISP/network administrator if you
are unsure of this information.
Time Zone Setup
Time Zone
Choose the time zone of your location. This will set the time
difference between your time zone and Greenwich Mean Time (GMT).
Daylight Savings
Daylight saving is a period from late spring to early fall when many
countries set their clocks ahead of normal local time by one hour to
give more daytime light in the evening.
Select this option if you use Daylight Saving Time.
Start Date
Configure the day and time when Daylight Saving Time starts if you
selected
Daylight Savings
. The
o'clock
field uses the 24 hour
format. Here are a couple of examples:
Daylight Saving Time starts in most parts of the United States on the
first Sunday of April. Each time zone in the United States starts using
Daylight Saving Time at 2 A.M. local time. So in the United States you
would select
First
,
Sunday
,
April
and type 2 in the
o'clock
field.
Daylight Saving Time starts in the European Union on the last Sunday
of March. All of the time zones in the European Union start using
Daylight Saving Time at the same moment (1 A.M. GMT or UTC). So
in the European Union you would select
Last
,
Sunday
,
March
. The
time you type in the
o'clock
field depends on your time zone. In
Germany for instance, you would type 2 because Germany's time
zone is one hour ahead of GMT or UTC (GMT+1).
Table 69
Maintenance > System > Time Setting
LABEL
DESCRIPTION
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Chapter 18 System
NBG4604 User’s Guide
177
End Date
Configure the day and time when Daylight Saving Time ends if you
selected
Daylight Savings
. The
o'clock
field uses the 24 hour
format. Here are a couple of examples:
Daylight Saving Time ends in the United States on the last Sunday of
October. Each time zone in the United States stops using Daylight
Saving Time at 2 A.M. local time. So in the United States you would
select
Last
,
Sunday
,
October
and type 2 in the
o'clock
field.
Daylight Saving Time ends in the European Union on the last Sunday
of October. All of the time zones in the European Union stop using
Daylight Saving Time at the same moment (1 A.M. GMT or UTC). So
in the European Union you would select
Last
,
Sunday
,
October
. The
time you type in the
o'clock
field depends on your time zone. In
Germany for instance, you would type 2 because Germany's time
zone is one hour ahead of GMT or UTC (GMT+1).
Apply
Click
Apply
to save your changes back to the NBG4604.
Reset
Click
Reset
to begin configuring this screen afresh.
Table 69
Maintenance > System > Time Setting
LABEL
DESCRIPTION
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Chapter 18 System
NBG4604 User’s Guide
178
Page 179 / 268
NBG4604 User’s Guide
179
C
HAPTER
19
Logs
19.1
Overview
This chapter contains information about configuring general log settings and
viewing the NBG4604’s logs.
The Web Configurator allows you to look at all of the NBG4604’s logs in one
location.
19.2
What You Can Do
Use the
View Log
screen (
Section 19.4 on page 180
) to see the logs for the
categories such as system maintenance, system errors, access control, allowed
or blocked web sites, blocked web features, and so on.
Use the
Log Settings
screen (
Section 19.5 on page 181
) to send copies of the
NBG4604 syslog files to a dedicated syslog server.
19.3
What You Need to Know
An alert is a type of log that warrants more serious attention. They include system
errors, attacks (access control) and attempted access to blocked web sites or web
sites with restricted web features such as cookies, active X and so on. Some
categories such as
System Errors
consist of both logs and alerts. You may
differentiate them by their color in the
View Log
screen. Alerts display in red and
logs display in black.
Alerts are e-mailed as soon as they happen. Logs may be e-mailed as soon as the
log is full (see
Log Schedule
). Selecting many alert and/or log categories
(especially
Access Control
) may result in many e-mails being sent.
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Chapter 19 Logs
NBG4604 User’s Guide
180
19.4
View Log Screen
Use the
View Log
screen to see the logged messages for the NBG4604. Options
include logs about system maintenance, system errors, access control, allowed or
blocked web sites, blocked web features (such as ActiveX controls, Java and
cookies), attacks (such as DoS) and IPSec.
Log entries in red indicate system error logs. The log wraps around and deletes
the old entries after it fills. Click a column heading to sort the entries. A triangle
indicates ascending or descending sort order.
Click
Maintenance
>
Logs
to open the
View Log
screen.
Figure 110
Maintenance > Logs > View Log
The following table describes the labels in this screen.
Table 70
Maintenance > Logs > View Log
LABEL
DESCRIPTION
Refresh
Click
Refresh
to renew the log screen.
Clear Log
Click
Clear Log
to delete all the logs.
#
This is the index number of the log entry.
Time
This field displays the time the log was recorded. See the chapter on
system maintenance and information to configure the NBG4604’s
time and date.
Message
This field states the reason for the log.

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