Netgear Dgn2200v4 N300 Wireless Adsl2 Plus Modem Router User Manual

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Port Triggering to Open Incoming Ports
Some application servers (such as FTP and IRC servers) send replies to multiple port 
numbers. Using the port triggering function of your modem router, you can tell the modem 
router to open more incoming ports when a particular outgoing port originates a session.
An example is Internet Relay Chat (IRC). Your computer connects to an IRC server at 
destination port 6667. The IRC server...

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Only one computer at a time can use the triggered application.
Port Forwarding to Permit External Host Communications
In both of the preceding examples, your computer initiates an application session with a 
server computer on the Internet. However, you might need to allow a client computer on the 
Internet to initiate a connection to a server computer on your network. Normally, your modem 
router ignores any inbound traffic that is not a response...

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How Port Forwarding Differs from Port Triggering
The following points summarize the differences between port forwarding and port triggering:
•Port triggering can be used by any computer on your network, although only one 
computer can use it at a time.
•Port forwarding is configured for a single computer on your network.
•With port triggering, the modem router does not need to know the computer’s IP address 
in advance. The IP address is captured...

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To forward specific incoming protocols:
1. 
Select  Advanced > 
 Advanced Setup > Port Forwarding/Port Triggering .
2. From the Service Name list, select the service or game that you will hos\
t on your network. 
If the service does not appear in the list, see  Add a Custom Service on page
  64.
3.  In the 
Action list, select when you want to allow or block this port forwarding\
 rule.
4. In the Server IP 
 Address field, enter IP address of your...

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3. 
Click the  Add Custom Service button.
4. In the Name field, enter a descriptive name. 
5.  In the Service 
 Type list, select the protocol. If you are unsure, select  TCP/UDP.
6.  In the External and Internal Starting Port fields, enter the beginning p\
ort number
 . 
• If the service uses only one port, enter the port number in the Ending P\
ort field.
• If the service uses a range of ports, enter the end port number in the E\
nding Port...

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3. (Optional) Register a host name with a Dynamic DNS service, and configure your modem 
router to use the name. 
To access your web server from the Internet, a remote user has to know the IP address 
that your ISP assigned. However, if you use a Dynamic DNS service, the remote user can 
reach your server by a user-friendly Internet name, such as mynetgear.dyndns.org.
Set Up Port Triggering
Port triggering is a dynamic extension of port forwarding...

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2. 
Select the Port Triggering  radio button.
3. Clear the Disable Port Triggering check box.
Note: If the Disable Port Triggering check box is selected after you 
configure port triggering, port triggering is disabled. However, any port 
triggering configuration information you added to the modem router is 
retained even though it is not used.
4.  In the Port 
 Triggering Timeout field, enter a value up to 9999 minutes. 
This value controls the...

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4. Select the service type, either TCP or UDP or both (TCP/UDP). If you are not sure, select 
TCP/UDP.
5. In the Triggering Port field, enter the number of the outbound traffic port that will cause the 
inbound ports to be opened. 
6. Enter the inbound connection port information in the Connection Type, Starting Port, and 
Ending Port fields.
7. Click Apply.
The service appears in the Port Triggering Portmap Table. 
8. Make sure that you enable...

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Schedule When to Block the Internet
You can specify the days and time that you want to block Internet access.\
To schedule blocking:
1. 
Select  Advanced > Security > Schedule .
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...

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Security Event Email Notifications
To receive logs and alerts by email, provide your email information in th\
e E-mail screen, and 
specify which alerts you want to receive and how often. 
To set up email notifications:
1.  Select  Advanced > Security >  E-mail.
2. Select the  Turn Email Notification On  check box.
3.  In the 
Your Outgoing Mail Server field, enter the name of your ISP’s outgoing (SMTP) mail 
server (such as mail.myISP.com). 
You...