Netgear Dgnd3700v2 N600 Wireless Dual Band Gigabit Adsl2 Plus Modem Router User Manual

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6
6.   USB Printer Control
Access and configure a USB printer
This chapter describes how to access and configure a USB printer attache\
d to your wireless modem router.
The USB Control Center utility allows you to control a shared USB device\
 from your computer that is connected to the USB port on your router. The utility allows you to control a printer. 
The utility has to be installed on each computer on your network from wh\
ich you want to control  the device. 
 You can download this utility at  www.netgear.com/landing/en-us/readyshare.aspx . 
						

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When you launch the USB Control Center utility, a screen similar to the following displays:
This is the main screen, which shows a device icon, the description for \
this USB device, and its 
status.
•A
vailable. The device is available from the computer that you are using.
• W
aiting to Connect . You need to connect to this device from the computer that you are 
using. If this is the first time you are connecting, you might be prompt\
ed to install the 
device driver.
The following menu selections are available: •System. Exit the utility
 .
• T
ools . Access the Control Center Configuration to set up your shared USB device\
. See 
the following section, Control Center Configuration.
• About. V
 iew details about the USB Control Center software.
This chapter includes the following sections:
•Control Center Configuration
• USB Printer
• Scan with a Multifunction Printer
• USB Speaker 
						

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Control Center Configuration
Select Tools > Configuration to display the following screen:
Automatically execute when logging on Windows
. Select this check box to have the utility 
start automatically when you are logged in to Windows.
Timeout . Specify the time-out value for holding the USB resource when it is not\
 in use.
Language . Select the display language for this utility
 .
USB Printer
The first time you use a printer, you need to click Connect. You might be asked to install the 
driver for this printer. After the driver is installed, the printer status changes to Available.
Note: Some USB printers (for example: HP and Lexmark printer) request 
that you do not connect the USB cable until you are prompted by the 
installation software.
If the USB printer is detected and connected automatically, you need to disconnect the 
printer
 , and then wait for the prompt asking you to click  Connect. 
						

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Once the printer shows Available status, the grayed out Paused state no longer displays in 
the Windows Printers and Faxes window.
This USB printer is ready. The utility does not need to always hold the connection of this USB 
printer. Once there is any print job for this printer, the USB utility connects to this USB printer 
automatically, then prints. After the print job is done, the printer status returns to the Paused 
state.
Scan with a Multifunction Printer
You can use the scan feature of a multifunction printer. 
1.  Make sure that the printer
 ’s status shows as Available.
2.  Click the  Network Scanner  button. 
This activates the scanner window that is used to perform the scans.
USB Speaker
To control a USB speaker:
1.  Select the USB speaker
 .
2.  Click the  Connect button to connect this speaker
 , or click Disconnect to disconnect the 
speaker.
If you click Connect, and someone else is already connected to the speak\
er, a request is 
sent to that person. 
 The person who receives the request can click an Accept or Reject 
button.
If someone is connected to the speaker and it is not being used (the ro\
uter does not detect 
any activity), the router holds the connection for the amount of time t\
hat is in the timeout 
value, and then makes it available. 
						

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7
7.   Security
Keep unwanted content out of your 
network
This chapter explains how to use the basic firewall features of the wireless modem router to 
prevent objectionable content from reaching the computers and other devices connected to your 
network. 
This chapter includes the following sections:
•Keyword Blocking of HTTP Traffic 
•Firewall Rules 
•Schedule for Firewall Rules 
•Security Event Email Notifications  
						

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Keyword Blocking of HTTP Traffic
Use keyword blocking to prevent certain types of HTTP traffic from accessing your network. 
The blocking can be always or according to a schedule.
1.  Select  Advanced > Security >  Block Sites to display the following screen:
2. Select one of the keyword blocking options:
• Per Schedule. 
 Turn on keyword blocking according to the Schedule screen settings.
• Always. 
 Turn on keyword blocking all the time, independent of the Schedule screen\
.
3.  In the Keyword field, enter a keyword or domain, click  Add Keyword, and click Apply.
The Keyword list supports up to 32 entries. Here are some sample entries\
:
• Specify XXX to block http://www
 .badstuff.com/xxx.html.
• Specify .com if you want to allow only sites with domain suf
 fixes such as .edu or .gov.
• Enter a period (. ) to block all Internet browsing access.
To delete a keyword or domain:
1. Select the keyword you want to delete from the list.
2.  Click  Delete Keyword,  and then Apply to save your changes.
To specify a trusted computer:
You can exempt one trusted computer from blocking and logging. The computer you exempt  has to have a fixed IP address.
1.  In the 
Trusted IP Address field, enter the IP address.
2. Click  Apply  to save your changes. 
						

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Firewall Rules
Services are functions performed by server computers at the request of c\
lient computers. For 
example, web servers serve web pages, time servers serve time and date i\
nformation, and 
game hosts serve data about other players’ moves. When a computer on \
the Internet sends 
a request for service to a server computer, the requested service is identified by a service or 
port number. This number appears as the destination port number in the transmitted IP\
 
packets. For example, a packet that is sent with the destination port nu\
mber 80 is an HTTP 
(web server) request. 
The service numbers for many common protocols are defined by the Interne\
t Engineering 
T
 ask Force (IETF at http://www.ietf.org/ ) and published in RFC1700, “Assigned Numbers.” 
Service numbers for other applications are typically chosen from the ran\
ge 1024 to 65535 by 
the authors of the application. 
 Although the wireless modem router already holds a list of 
many service port numbers, you are not limited to these choices. You can often determine 
port number information by contacting the publisher of the application, \
by asking user groups 
or newsgroups, or by searching.
The Firewall Rules screen lets you to block or allow specific Internet t\
raffic services by 
computers on your network. 
 This is called service blocking or port filtering.
Note:This feature is for Advanced Administrators only. Incorrect 
configuration can cause serious problems.
To create firewall rules:
1. Select 
Advanced > Security > Firewall Rules  to display the following screen: 
						

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The Firewall Rules screen lists all firewall rules that have been change\
d from their default 
setting. The default rules allow all outgoing traffic and block all incoming traffic.
• T
o change the firewall rules for outbound traffic, you need to add it from the Outbound 
Services screen as described in Step  2.
• T
o change the firewall rules for inbound traffic, you need to add it from the Port 
Forwarding/Port Triggering screen as described in Port Forwarding and Triggering  on 
page
  105.
The Outbound Services and Port Forwarding/Inbound Services screens list \
the available  services you can allow or block. 
 You can also define your own custom services to allow or 
block with the Add Service screen as described in Add Custom Services to Allow or Block 
on page   80. Once you add your own custom services, they are available on the Outbo\
und 
Services and Port Forwarding/Inbound Services screens.
You can also specify whether these services are always allowed or blocked\
, or allowed or  blocked per schedule a
 s described in Schedule for Firewall Rules on page  81.
2.  Outbound Services . T
 o allow or block an outbound service, click  Add to display the 
following screen:
Use the Outbound Services screen to define a new Outbound Firewall rule,\
 or edit an 
existing rule. The outbound firewall rules are used to block or allow access by compute\
rs 
on your network to services or applications on the Internet.
a. Service. Select the service or application to be covered by this rule. If the s\
ervice or  application you want does not appear in the list, you have to define it \
as described in 
Add Custom Services to Allow or Block on page  80.
b. Action . Select the action you want for traf
 fic covered by this rule:
• BLOCK always. 
 Always block the traffic covered by this rule. 
						

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79  N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2
•BLOCK by schedule, otherwise Allow. Allow the traffic covered by this rule, 
unless it is blocked according to the schedule specified on the Schedule screen in 
Schedule for Firewall Rules on page 81.
•ALLOW always. Always allow the traffic covered by this rule (this selection is the 
default setting).
•ALLOW by schedule, otherwise Block. Block the traffic covered by this rule, 
unless it is blocked accourding to the schedule specified on the Schedule screen 
in 
Schedule for Firewall Rules on page 81.
ALLOW rules are useful only when the traffic is already covered by a BLOCK rule. 
You would use these rules when you want to allow a subset of traffic that is currently 
blocked by another rule.
c. LAN Users. These settings determine which computers on your network are 
affected by this rule, based on their source (LAN) IP address. Select the option you 
want:
•Any. All local IP addresses are covered by this choice.
•Address range. You have to fill in the Start and Finish fields when this option is 
selected.
•Single address. Enter the required address in the Start field.
d. WAN Servers. These settings determine which Internet locations are covered by the 
rule, based on their destination (WAN) IP address. Select the option you want:
•Any. All Internet IP address are covered by this choice.
•Address range. You have to fill in the Start and Finish fields when this option is 
selected.
•Single address. Enter the required address in the Start field.
e. Log. This setting determines whether traffic covered by this rule is logged. Select 
the action you want:
•Always. This choice always logs traffic that is covered by this rule, whether it 
matches or not. (This feature is useful when you are debugging your rules.)
•Never. This choice never logs traffic covered by this rule, whether it matches or 
not.
f. Click Apply to have your changes take effect, or click Cancel to return to the 
previous screen. 
3. Inbound Services. To allow or block an inbound service, click here to set up inbound 
firewall rules for gaming or other applications. You are redirected to the Port Forwarding/Port 
Triggering screen as described in 
Port Forwarding and Triggering on page 105.
4. Click Apply to enable your Firewall Rules selections. 
						

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Add Custom Services to Allow or Block
You can define your own incoming and outgoing custom services to allow or\
 block. Once you 
add your own custom services, they will be available on the Outbound Ser\
vices screen (as 
described in Firewall Rules  on page
  77) and the Port Forwarding/Inbound Services screen 
(as described in Port Forwarding and Triggering  on page
  105).
To add a custom service:
1. Click  Add Custom Service to add a service. 
 The Add Service screen displays:
The Add Service screen allows you to specify or edit your own custom service\
 definition. 
You can then use the custom service when creating firewall rules.
2.  T
o add a service for blocking, first determine which port number or range\
 of numbers is used 
by the application. 
3.  Name . In the Name field, enter a suitable name for this service.
4.  T
ype. Select the correct type for this service (if in doubt, select TCP/UDP):
•TCP
• UDP
• TCP/UDP
5.  Start Port and  End Port. Enter the starting and ending port numbers. If the application uses 
a single port number
 , enter that number in both fields.
6.  Click  Apply  to save your information and return to the previous screen.