Netgear Dgn 2200 M Manual

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3.   Protecting Your Network
This chapter describes how to use the basic firewall features of the wir\
eless modem router to protect your network. The chapter includes:
•     Protect Access to Your Wireless-N Modem Router 
•     Block Keywords, Sites, and Services
•     Set Times and Schedule Firewall Services
•     Enable Security Event Email Notification
•     Live Parental Controls
Protect Access to Your Wireless-N Modem Router
For security reasons, the wireless modem router has its own user name...

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Change the Built-In Password
To change the build-in password:
1. 
In the main menu, under Maintenance, select  Set Password.
2. To change the password, first enter the old password, and then enter the\
 new password 
twice.
3.  Click  Apply to save your changes. 
Note:   After changing the password, you are required to log in again to 
continue the configuration. If you have backed up the wireless 
modem router settings...

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•     
Outbound service blocking. Limits access from your LAN to Internet locat\
ions or services 
that you specify as off-limits.
•     Denial of service (DoS) protection. Automatically detects and thwarts \
denial of service  (DoS) attacks such as Ping of Death, SYN flood, LAND Attack, and IP sp\
oofing.
•     Blocking unwanted traffic from the Internet to your LAN.
Block Sites
To block keywords and sites:
1.  In the...

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You can specify one trusted user, which is a computer that will be exemp\
t from blocking 
and logging. Since the trusted user will be identified by an IP address,\
 you should 
configure that computer with a fixed IP address.
6.  Click  Apply to save your settings.
Block Services
To block services:
1. In the main menu, under Content Filtering, select  Block Services.
.
2. Select one of the following:
•     Per...

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5. 
Click  Add to create the service, and the service is listed in the Service Table:
6. Click  Apply to save your settings.
Set Times and Schedule Firewall Services
The wireless modem router uses the Network Time Protocol (NTP) to obta\
in the current time 
and date from one of several network time servers on the Internet. On th\
e router menu, 
select Schedule under Security to display the Security screen: 

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Set Your Time Zone
To localize the time for your log entries:
1. 
In the Schedule screen, select your time zone. 
This setting is used for the blocking schedule according to your local t\
ime zone and for 
time-stamping log entries.
2.  If your time zone is currently in daylight savings time, select the  Adjust for Daylight 
Savings Time  check box.
Note:  If your region uses daylight savings time, you need to manually...

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View, Select, and Save Logged Information
The wireless modem router logs security-related events such as denied in\
coming service 
requests, hacker probes, and administrator logins. If you enable content\
 filtering in the Block 
Sites screen, the Logs screen show you when someone on your network trie\
s to access a 
blocked site. If you enable email notification, you will receive these l\
ogs in an email message. 
To...

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Examples of Log Messages
Following are examples of log messages. In all cases, the log entry show\
s the time stamp as
 
day, year-month-date    hour:minute:second.
Activation and Administration
Tue, 2011-05-21 18:48:39 - NETGEAR activated 
This entry indicates a power-up or reboot with initial time entry.
Tue, 2011-05-21 18:55:00 - Administrator login successful-IP:192.168.0.2\
 
Thu, 2011-05-21 18:56:58 - Administrator...

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Enable Security Event Email Notification
To receive logs and alerts by email, you need to provide your email info\
rmation in the E-mail 
screen and specify which alerts you would like to receive and how often.\
In the main menu, under Security, select 
E-mail. The E-mail screen displays.
You can make the following selections:
•     Turn E-mail Notification On . Select this check box if you want to receive email logs...

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-
Day for sending log 
Specifies which day of the week to send the log. Relevant when the log i\
s sent weekly.
- Time for sending log   
Specifies the time of day to send the log. Relevant when the log is sent\
 daily or 
weekly.
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...