Netgear DM111PSP DM111PSP User Manual - Page 44

Port Triggering (Outbound Rules), SINGLE, SUBNET, Protocol, Starting Port, Ending Port, Apply - port forward

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ADSL2+ Modem Router DM111PSPv2 User Manual Figure 3-5 - Next to From Internet Host IP Address, select ALL (the default) to allow this service to be used by everyone in your network. Otherwise, select SINGLE and enter the IP address of one computer to restrict the service to a particular computer, or SUBNET to restrict the service to a subnet. - Next to Forward to Internal Host IP Address, enter the IP address of the internal host. - To specify the rules, select the Protocol from the drop-down list, and fill in the Starting Port and Ending Port fields. This information can be obtained from the game or applications manual or the product's support website. 4. When you are finished making changes, click Apply so that your changes take effect. Port Triggering (Outbound Rules) Port Triggering monitors outbound traffic. When the modem router detects traffic on the specified outbound port, it remembers the IP address of the computer that sent the data and triggers the incoming port. Port Triggering opens an incoming port temporarily and does not require the server on the Internet to track your IP address if it is changed by DHCP, for example. Incoming traffic on the triggered port is then forwarded to the triggering computer. Using the Port Triggering screen, you can make local computers or servers available to the Internet for different services (for example, FTP or HTTP), to play Internet games, or to use Internet applications. 3-8 Security and Firewall Protection v1.0, December 2008

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ADSL2+ Modem Router DM111PSPv2 User Manual
3-8
Security and Firewall Protection
v1.0, December 2008
–
Next to From Internet Host IP Address, select
ALL
(the default) to allow this service
to be used by everyone in your network. Otherwise, select
SINGLE
and enter the IP
address of one computer to restrict the service to a particular computer, or
SUBNET
to restrict the service to a subnet.
–
Next to Forward to Internal Host IP Address, enter the IP address of the internal host.
–
To specify the rules, select the
Protocol
from the drop-down list, and fill in the
Starting Port
and
Ending Port
fields. This information can be obtained from the
game or applications manual or the product’s support website.
4.
When you are finished making changes, click
Apply
so that your changes take effect.
Port Triggering (Outbound Rules)
Port Triggering monitors outbound traffic. When the modem router detects traffic on the specified
outbound port, it remembers the IP address of the computer that sent the data and triggers the
incoming port. Port Triggering opens an incoming port temporarily and does not require the server
on the Internet to track your IP address if it is changed by DHCP, for example. Incoming traffic on
the triggered port is then forwarded to the triggering computer. Using the Port Triggering screen,
you can make local computers or servers available to the Internet for different services (for
example, FTP or HTTP), to play Internet games, or to use Internet applications.
Figure 3-5