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Chapter 15 Certificates
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171
The following table describes the labels in this screen.
Table 68
Trusted CA: View
LABEL
DESCRIPTION
Certificate Name
This field displays the identifying name of this certificate. If you want to change the
name, type up to 31 characters to identify this key certificate. You may use any
character (not including spaces).
Certificate Detail
This read-only text box displays the certificate or certification request in Privacy
Enhanced Mail (PEM) format. PEM uses 64 ASCII characters to convert the binary
certificate into a printable form.
You can copy and paste the certificate into an e-mail to send to friends or colleagues or
you can copy and paste the certificate into a text editor and save the file on a
management computer for later distribution (via floppy disk for example).
Back
Click this to return to the previous screen.
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HAPTER
16
Log
16.1
Overview
The web configurator allows you to choose which categories of events and/or alerts to have the
Device log and then display the logs or have the Device send them to an administrator (as e-mail)
or to a syslog server.
16.1.1
What You Can Do in this Chapter
Use the
Log
screen to see the system logs for the categories that you select (
Section 16.2 on
page 174
).
16.1.2
What You Need To Know
The following terms and concepts may help as you read this chapter.
Alerts and Logs
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. 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.
Syslog Overview
The syslog protocol allows devices to send event notification messages across an IP network to
syslog servers that collect the event messages. A syslog-enabled device can generate a syslog
message and send it to a syslog server.
Syslog is defined in RFC 3164. The RFC defines the packet format, content and system log related
information of syslog messages. Each syslog message has a facility and severity level. The syslog
facility identifies a file in the syslog server. Refer to the documentation of your syslog program for
details. The following table describes the syslog severity levels.
Table 69
Syslog Severity Levels
CODE
SEVERITY
0
Emergency: The system is unusable.
1
Alert: Action must be taken immediately.
2
Critical: The system condition is critical.
3
Error: There is an error condition on the system.
4
Warning: There is a warning condition on the system.
5
Notice: There is a normal but significant condition on the system.
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174
16.2
The System Log Screen
Click
System Monitor > Log
to open the
System Log
screen. Use the
System Log
screen to see
the system logs for the categories that you select in the upper left drop-down list box.
Figure 118
System Monitor > Log > System Log
The following table describes the fields in this screen.
6
Informational: The syslog contains an informational message.
7
Debug: The message is intended for debug-level purposes.
Table 69
Syslog Severity Levels
CODE
SEVERITY
Table 70
System Monitor > Log > System Log
LABEL
DESCRIPTION
Level
Select a severity level from the drop-down list box. This filters search results according to
the severity level you have selected. When you select a severity, the Device searches
through all logs of that severity or higher.
Refresh
Click this to renew the log screen.
Clear Logs
Click this to delete all the logs.
Export
Click this to download logs to a file on your computer.
Email Log Now
Click this to send logs to a specified e-mail address.
#
This field is a sequential value and is not associated with a specific entry.
Time
This field displays the time the log was recorded.
Level
This field displays the severity level of the logs that the device is to send to this syslog
server.
Message
This field states the reason for the log.
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17
Traffic Status
17.1
Overview
Use the
Traffic Status
screens to look at network traffic status and statistics of the WAN, LAN
interfaces and NAT.
17.1.1
What You Can Do in this Chapter
Use the
WAN
screen to view the WAN traffic statistics (
Section 17.2 on page 175
) .
Use the
LAN
screen to view the LAN traffic statistics (
Section 17.3 on page 176
).
Use the
NAT
screen to view the NAT status of the Device’s client(s) (
Section 17.4 on page 177
).
17.2
The WAN Status Screen
Click
System Monitor > Traffic Status
to open the
WAN
screen. You can view the WAN traffic
statistics in this screen.
Figure 119
System Monitor > Traffic Status > WAN
The following table describes the fields in this screen.
Table 71
System Monitor > Traffic Status > WAN
LABEL
DESCRIPTION
Status
This shows the number of bytes received and sent through the WAN interface of the Device.
Refresh Interval
Enter how often you want the Device to update this screen from the drop-down list box.
Set Interval
Click this button to apply the new poll interval you entered in the
Refresh Interval
field.
Stop
Click
Stop
to stop refreshing statistics.
Connected
Interface
This shows the name of the WAN interface that is currently connected.

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