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7.
Make sure that the
Enable This Interface
check box is selected for the virtual IPTV interface.
If you already enabled and configured the virtual IPTV interface, the check box is selected.
8.
Select the
Bridge Mode
check box.
By default, the LAN 4 port is bound to the virtual IPTV interface and the
Enable IPTV on LAN4
check
box is automatically selected.
9.
If you also connected an IPTV device to the LAN 3 port, select the
Enable IPTV on LAN3
check box.
10.
If you also connected an IPTV device to the LAN 2 port, select the
Enable IPTV on LAN2
check box.
11.
Click the
Apply
button.
Your settings are saved.
Manage the WAN Security Settings
The WAN security settings include port scan protection and denial of service (DoS) protection, which can
protect your LAN against attacks such as Syn flood, Smurf Attack, Ping of Death, and many others. By
default, DoS protection is enabled and a port scan is rejected.
You can also enable the
modem router
to respond to a ping to its WAN (Internet) port.This feature allows
your
modem router
to be discovered. Enable this feature only as a diagnostic tool or if a specific reason
exists.
Manage the WAN and LAN Network Settings
216
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
Page 217 / 312
To change the default WAN security settings:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the network.
2.
Type
.
A login window opens.
3.
Enter the user name and password for the
modem router
.
The user name is
admin
. The default password is
password
. The user name and password are
case-sensitive.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
6.
To enable a port scan and disable DoS protection, select the
Disable Port Scan and DoS Protection
check box.
7.
To enable the
modem router
to respond to a ping, select the
Respond to Ping on Internet Port
check
box.
8.
Click the
Apply
button.
Your settings are saved.
Set Up a Default DMZ Server
The default DMZ server feature is helpful when you are using some online games and videoconferencing
applications that are incompatible with Network Address Translation (NAT). The
modem router
is
programmed to recognize some of these applications and to work correctly with them, but other applications
might not function well. In some cases, one local computer can run the application correctly if the IP
address for that computer is entered as the default DMZ server.
Warning
DMZ servers pose a security risk. A computer designated as the default DMZ
server loses much of the protection of the firewall and is exposed to exploits
from the Internet. If compromised, the DMZ server computer can be used to
attack other computers on your network.
The
modem router
usually detects and discards incoming traffic from the Internet that is not a response
to one of your local computers or a service or application for which you set up a port forwarding or port
triggering rule. Instead of discarding this traffic, you can direct the
modem router
to forward the traffic to
one computer on your network. This computer is called the default DMZ server.
Manage the WAN and LAN Network Settings
217
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
Page 218 / 312
To set up a default DMZ server:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the network.
2.
Type
.
A login window opens.
3.
Enter the
modem router
user name and password.
The user name is
admin
. The default password is
password
. The user name and password are
case-sensitive.
The BASIC Home page displays.
4.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
5.
Select the
Default DMZ Server
check box.
6.
Enter the IP address of the server.
7.
Click the
Apply
button.
Your settings are saved.
Manage NAT Filtering
Network Address Translation (NAT) determines how the
modem router
processes inbound traffic. Secured
NAT protects computers on the LAN from attacks from the Internet but might prevent some Internet games,
point-to-point applications, or multimedia applications from working. Open NAT provides a much less
secured firewall but allows almost all Internet applications to work. Secured NAT is the default setting.
To change the default NAT filtering settings:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the network.
2.
Type
.
A login window opens.
3.
Enter the user name and password for the
modem router
.
The user name is
admin
. The default password is
password
. The user name and password are
case-sensitive.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
6.
Select a NAT Filtering radio button:
Manage the WAN and LAN Network Settings
218
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
Page 219 / 312
•
Secured
. Provides a secured firewall to protect the computers on the LAN from attacks from the
Internet but might prevent some Internet games, point-to-point applications, or multimedia
applications from functioning. By default, the
Secured
radio button is selected.
•
Open
. Provides a much less secured firewall but allows almost all Internet applications to function.
7.
Click the
Apply
button.
Your settings are saved.
Manage the SIP Application-Level Gateway
The application-level gateway (ALG) for the Session Initiation Protocol (SIP) is enabled by default for
enhanced address and port translation. However, some types of VoIP and video traffic might not work
well when the SIP ALG is enabled. For this reason, the
modem router
provides the option to disable the
SIP ALG.
To change the default SIP ALG setting:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the network.
2.
Type
.
A login window opens.
3.
Enter the user name and password for the
modem router
.
The user name is
admin
. The default password is
password
. The user name and password are
case-sensitive.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > WAN Setup
.
The WAN Setup page displays.
6.
To disable the SIP ALG, select the
Disable SIP ALG
check box.
The SIP ALG is enabled by default.
7.
Click the
Apply
button.
Your settings are saved.
Manage the
Modem Router
’s LAN IP Address Settings
The
modem router
is preconfigured to use private IP addresses on the LAN side and to act as a DHCP
server. The
modem router
’s default LAN IP configuration is as follows:
Manage the WAN and LAN Network Settings
219
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
Page 220 / 312
•
LAN IP address
. 192.168.0.1 (this is the same as www.routerlogin.net and www.routerlogin.com)
•
Subnet mask
. 255.255.255.0
These addresses are part of the designated private address range for use in private networks and are
suitable for most applications. The IP address and subnet mask identify which addresses are local to a
specific device and which must be reached through a gateway or
modem router
.You might want to change
these settings if you need a specific IP subnet that one or more devices on the network use, or if competing
subnets use the same IP scheme.
To change the LAN IP address settings:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the network.
2.
Type
.
A login window opens.
3.
Enter the user name and password for the
modem router
.
The user name is
admin
. The default password is
password
. The user name and password are
case-sensitive.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > LAN Setup
.
Manage the WAN and LAN Network Settings
220
Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000

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