Netgear Centria Wndr4700 Wndr4720 Media Storage Router User Manual

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Once the printer shows Available status, it is no longer grayed out in a Paused state in the 
Windows Printers window.
This USB printer is ready. The utility does not need to hold the connection of this USB printer. 
Once there is any print job for this printer, 
the USB utility connects to this USB printer and 
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 t
 hat the printer status shows as Available.
2.  Click the Network Scanne
 r button. 
This activates the scanner  window to p
 erform scans. 
						

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7
7.   Security
Keeping unwanted content out of your network
This chapter explains how to use the basic firewall features of the router to prevent objectionable 
content from reaching the computers and devices on your network. 
This chapter includes the following sections:
•     Keyword Blocking of HTTP Traffic 
•     Block Services (Port Filtering) 
•     Schedule Blocking 
•     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  Adv
 anced > Security >  Block Sites to display the following screen:
2.  Select one of the keyword blocking options:
•      Per Sche
 dule. Turn on keyword blocking according to the Schedule screen settings.
•      Always. T
 urn on keyword blocking all the time, independent of the Schedule screen.
3.  In the keyword field, ent
 er a keyword or domain, click  Add Keyword, and click Apply.
The keyword list supports up to 32 entries. Here are some sample entries:
•      S
pecify XXX to block http://w ww.badstuff.com/xxx.html.
•      S
pecify .com if you want to allow only site s with domain suffixes 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  Dele
 te Keyword and then Apply  to save your changes.
To specify a trusted computer:
You can exempt one trusted computer from bl ocking
  and logging. The computer you exempt 
has to have a fixed IP address.
1.  I
n the Trusted IP Address field, enter the IP address.
2. Click  App
 ly to save your changes. 
						

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Block Services (Port Filtering)
Services are functions that server computers per
form at the request of client computers. For 
example, web servers serve web pages, time se rvers serve time and date information, 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 number 80 is an HTTP 
(web server) request. 
The service numbers for many common protocols are defined by the Internet 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 range 1024 to 65535 by 
the authors of the application. Although the rout er already holds a list of many service port 
numbers, you are not limited to  these choices. Usually, you can determine this information by 
contacting the publisher of the application or the relevant user groups or news groups.
The Block Services screen lets you add and block s pecific I
 nternet services by computers on 
your network. This is called service blocking or  port filtering. To add a service for blocking, 
first determine which port number or ra nge of numbers the application uses. 
To block services:
1. Select  Advance
 d > Security > Block Services  to display the following screen:
2. Select either  Per Schedule  or Always to enable service blocking, and click  Apply. If you 
selected Per Schedule, specify a time period in the Schedule screen as described in 
Schedule Blocking  on
  page 86. 
						

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3. 
Click  Add to add a service. The Block Services Setup screen displays:
4. From the Service Type list, select the application or service to allow or block. The list already 
displays several common services, but you are not limited to these choices. To add any 
additional services or applications that do not already appear, select  User Defined.
5.  If you kn
 ow that the application uses either TCP or UDP, select the appropriate protocol. If 
you are not sure, select  Both.
6.  Ente
r the starting and ending port numbers. If the application uses a single port number, 
enter that number in both fields.
7.  Select th
 e radio button for the IP address configuration you want to block, and enter the IP 
addresses. You can block the specified service for a single computer, a range of computers 
with consecutive IP addresses, or all computers on your network.
8.  Click  Add to
  enable your Block Services Setup selections. 
						

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Schedule Blocking
You can specify the days and time that you want to block Internet access.
To schedule blocking:
1. 
Select  Advance
 d > Security > Schedule to display the following screen:
2. Set up the schedule for blocking keywords and services.
•      Days
 to Block. Select days on which you want to apply blocking by selecting the 
appropriate check boxes, or select Every Day  to select the check boxes for all days. 
•      T
ime of Day to Block Select a start and end time in 24-hour format, or select  All Day 
for 24-hour blocking. 
3.  Select your time zone fro
 m the list. If you use daylight savings time, select the 
Automatically adjust for daylight savings time  check box. 
4.  Click  Apply  to save 
 your settings. 
						

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Security Event Email Notifications
To receive logs and alerts by email, provide 
your email information in the Email screen, and 
specify which alerts you want to receive and how often. 
To set up email notifications:
1.  Select  Adv
 anced > Security >  Email  to display the following screen:
2. To receive email logs and alerts from the router, select the  Turn Email Notification On 
check box.
3.  In the Y
our Outgoing Mail Server field, enter the name of your ISP’s outgoing (SMTP) mail 
server (such as mail.myISP.com). You might be able to find this information in the 
configuration screen of your email program. If you leave this field blank, no log and alert 
messages are sent.
4.  Ente
r the email address to which logs and alerts are sent in the Send to This Email Address 
field. This email address is also used for the From address. If you leave this field blank, log 
and alert messages are not sent.
5.  If your outg
 oing email server requires authentication, select the  My mail server requires 
authentication  check box. Fill in the User Name and  Password fields for the outgoing email 
server.
6.  Y
ou can have email alerts sent immediately when someone attempts to visit a blocked site, 
and you can specify that logs are sent automatically.
If you select the Weekly, Daily, or Hourly option and the log fills up before the specified 
p
 eriod, the log is emailed to the specified email address. After the log is sent, the log is 
cleared from the router’s memory. If the router cannot email the log file, the log buffer 
might fill up. In this case, the router overwrites the log and discards its contents.
7.  Click  App
 ly to save your settings. 
						

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8
8.   Administration
Managing your network
This chapter describes the router settings for administering and maintaining your router and 
home network. See 
Remote Management on page 11 7 for information about upgrading or 
checking the status of your router over the Internet. For information about monitoring Internet 
traffic, see 
Traffic Meter on page 125.
This chapter includes the following sections:
•     Upgrade the Firmware 
•     View Router Status 
•     View Logs of Web Access or Attempted Web Access 
•     Manage the Configuration File 
•     Set Password 
						

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Upgrade the Firmware
The router firmware (routing software) is stored in flash memory. You can update the 
firmware from the Administration menu on the Advanced tab. You might see a message at 
the top of the genie screens when new fi
rmware is available for your product.
You can use the Check button on the Router Update screen to check and update to the latest 
f
 irmware for your product if new firmware is available. 
To check for new firmware and update your router:
1.  Select  Adv
 anced > Administration > Firmware Upgrade  to display the following 
screen: 
2.  Click  Check .
If new firmware is available, the router finds it.
3.  Click  Ye
 s to update and locate the firmware you downloaded (the file ends in .img). 
WARNING!
When uploading firmware to the 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.
When the upload is complete, your router restarts. The upgrade process typically takes 
about 1 minute. Read the new firmware release notes to determine whether you need to 
reconfigure the router after upgrading. 
						

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View Router Status
To view router status and usage information, select Advanced Home
 or select 
Administration > Router Status to display the following screen:
 
Router Information
Hardware Version . The router model.
Firmware  Ve r s i o n. T
he version of the router firmware. It changes if you upgrade the router 
firmware.
GUI Language Version . Th
 e localized language of the user interface.
LAN Port .
•      MAC Addres
 s. The Media Access Control address. This is the unique physical address 
that the Ethernet (LAN) port of the router uses. 
•      IP Address . The I
 P address that the Ethernet (LAN) port of the router uses. The default 
is 192.168.1.1.
•      DHCP Server . Identifies w
 hether the router’s built-in DHCP server is active for devices on 
the LAN.