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Security Settings
61
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
To enable security event email notification:
1.
Select
Content Filtering >
E-mail
to display the following screen:
Figure 30.
E-Mail screen
•
Turn E-mail Notification On
. Select this check box if you want to receive email logs and
alerts from the wireless modem router.
•
Send To This E-mail Address
. Enter the email address where you want logs and alerts
sent. This email address is also used as the From address. If you leave this field blank,
log and alert messages are not sent by email.
•
Outgoing Mail Server
. Enter the name or IP address of your ISP’s outgoing (SMTP) mail
server (such as mail.myISP.com). You might be able to find this information in the
configuration settings of your email program. Enter the email address to which logs and
alerts are sent. This email address is also used as the From address. If you leave this
field blank, log and alert messages are not sent by email.
•
My Mail Server requires authentication
. If you use an outgoing mail server provided by
your current ISP, you do not need to select this check box. If you use an email account
that is not provided by your ISP, select this check box, and enter the required user name
and password information.
•
Send E-Mail alerts immediately
.
Select the corresponding check box if you would like
immediate notification of a significant security event, such as a known attack, port scan,
or attempted access to a blocked site.
•
Send Logs According to this Schedule
.
Specifies how often to send the logs: Hourly,
Daily, Weekly, or When Full.
-
Day for sending logs
specifies which day of the week to send the log. This is relevant
when the log is sent weekly.
-
Time for sending log
specifies the time of day to send the log. This is relevant when
the log is sent daily or weekly.
Note:
If the Weekly, Daily, or Hourly option is selected and the log fills up
before the specified period, the log is automatically emailed to the
specified email address. After the log is sent, it is cleared from the
wireless modem router’s memory. If the wireless modem router
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Security Settings
62
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
cannot email the log file, the log buffer might fill up. In this case, the
wireless modem router overwrites the log and discards its contents.
Log the Network Activity
A log is a detailed record of the websites that users on your network have accessed or
attempted to access. If you have set up content filtering on the Block Sites screen, the Logs
screen shows you when someone on your network tried to access a blocked site. If you have
email notification on, you will receive these logs in an email message. If you do not have
email notification set up, you can view the logs on the Logs screen.
To log the network activity:
1.
Select
Content Filtering > Logs
to display the Logs screen:
Figure 31.
Logs screen
a.
To delete all the log entries, click
Clear Log
.
b.
To see the most recent access attempts, click
Refresh
.
c.
To send the log file to your e-mail account, click
Send Log
. This feature is useful for
testing your e-mail settings.
2.
Use the Include in Log check boxes to determine which events are included in the log.
Selecting all check boxes will increase the size of the log, so it is good practice to disable
any events that are not really required.
•
Attempted access to blocked sites
. If selected, attempted Internet accesses that
were blocked are logged.
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Security Settings
63
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
•
Connections to the Web-based interface of this Router
. If selected, connections
are logged to this router, rather than through this router to the Internet.
•
Router operation
. If selected, router operations not covered by the preceding
selections are logged.
•
Known DoS attacks and Port Scans
. If selected, denial of service attacks, as well
as port scans, are logged.
3.
The logs can be sent to a syslog server. Enable one of the three options in the Syslog
section, as required:
•
Disable
. Select this if you do not have a syslog server.
•
Broadcast on LAN
. The syslog data is broadcast rather than sent to a specific syslog
server. Use this if your syslog server does not have a fixed IP address.
•
Send to this Syslog server IP address
. If your syslog server has a fixed IP address,
select this option, and enter the IP address of your syslog server.
4.
Click
Apply
to save your changes.
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64
5
5.
Network Maintenance
Administering your network
This chapter describes the wireless modem router settings for administering and maintaining the
router and home network.
Note:
For security reasons, the wireless modem router has its own user
name and password that default to
admin
and
password
. You can
and should update your password regularly. See
Change Password
and Login Time-Out
on page 33.
This chapter contains the following sections:
•
Upgrade the Router Firmware
•
Manually Check for Firmware Upgrades
•
Manage Configuration File
•
View Router Status
•
View Attached Devices
•
Run Diagnostic Utilities
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Network Maintenance
65
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700
Upgrade the Router Firmware
The wireless modem router firmware (routing software) is stored in flash memory. By default,
when you log in to your wireless modem router, it checks the NETGEAR website for new
firmware and alerts you if there is a newer version.
WARNING:
When uploading firmware to the wireless modem router,
do not
interrupt the web browser by closing the window, clicking a link,
or loading a new page. If the browser is interrupted, it could
corrupt the firmware.
Automatic Firmware Checking Off
You can turn the automatic firmware checking off and check for firmware updates manually if
you prefer. See
Manually Check for Firmware Upgrades
on page 66. To turn off the automatic
firmware check at login:
To turn off automatic firmware checking:
1.
Select
Maintenance > Router Upgrade
.
2.
Clear the
Check for Updated Firmware Upon Log-in
check box at the bottom of this
screen:
Figure 32.
Checking for Firmware Updates screen
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