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Manage Your Network
81
AC1750 WiFi Cable Modem Router
Normal web browser access uses the standard HTTP service port 80. For greater
security, enter a custom port number for the remote web management interface. Choose
a number from 1024 to 65535, but do not use the number of any common service port.
The default is 8080, which is a common alternate for HTTP.
8.
Click the
Apply button
.
Your changes are saved.
To use remote access:
1.
Launch a web browser on a computer that is not on your home network.
2.
Type your modem router’s WAN IP address into your browser’s address or location field
followed by a colon (:) and the custom port number.
For example, if your external address is 134.177.0.123 and you use port number 8080,
enter
in your browser.
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82
8
8.
Specify Internet Port Settings
You can use port forwarding and port triggering to set up rules for Internet traffic. You need
networking knowledge to set up these features.
This chapter includes the following sections:
Set Up Port Forwarding to a Local Server
Set Up Port Triggering
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Specify Internet Port Settings
83
AC1750 WiFi Cable Modem Router
Set Up Port Forwarding to a Local Server
If your home network includes a server, you can allow certain types of incoming traffic to
reach the server. For example, you might want to make a local web server, FTP server, or
game server visible and available to the Internet.
The modem router can forward incoming traffic with specific protocols to computers on your
local network. You can specify the servers for applications and you can also specify a default
DMZ server to which the modem router forwards all other incoming protocols.
To forward specific incoming protocols:
1.
Decide which type of service, application, or game you want to provide.
2.
Find the local IP address of the computer on your network that will provide the service.
The server computer must always use the same IP address. To specify this setting, use
the reserved IP address feature. See
Reserve LAN IP Addresses
on page
51.
3.
Launch a web browser from a computer or wireless device that is connected to the network.
4.
Type
http://routerlogin.net
or
.
A login screen displays.
5.
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 screen displays.
6.
Select
ADVANCED > Advanced Setup > Port Forwarding/Port Triggering
.
7.
Leave the
Port Forwarding
radio button selected as the service type.
8.
In the
Service Name
list, select the service name.
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Specify Internet Port Settings
84
AC1750 WiFi Cable Modem Router
If the service that you want to add is not in the list, create a custom service. See
Add a
Custom Port Forwarding Service
on page
84.
9.
In the
Server IP Address
field, enter the IP address of the computer that will provide the
service.
10.
Click the
Add
button.
The service displays in the list.
Add a Custom Port Forwarding Service
To add a custom service:
1.
Find out which port number or range of numbers the application uses.
You can usually find this information by contacting the publisher of the application or user
groups or news groups.
2.
Launch a web browser from a computer or wireless device that is connected to the network.
3.
Type
http://routerlogin.net
or
.
A login screen displays.
4.
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 screen displays.
5.
Select
ADVANCED > Advanced Setup > Port Forwarding/Port Triggering
.
6.
Leave the
Port Forwarding
radio button selected as the service type.
7.
Click the
Add Custom Service
button.
8.
In the
Service Name
field, enter a descriptive name.
9.
In the
Service Type
field, select the protocol. If you are unsure, select
TCP/UDP
.
10.
In the
External Starting Port
field, enter the beginning port number.
If the application uses a single port, enter the same port number in the
Ending Port
field.
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Specify Internet Port Settings
85
AC1750 WiFi Cable Modem Router
If the application uses a range of ports, enter the ending port number of the range in the
External Ending Port
field.
11.
Use one of the following methods to specify the internal port numbers:
Leave
Use the same port range for internal port
check box selected.
Type the port numbers in the
Internal Starting Port
and
Internal Ending Port
fields.
12.
Type the IP address in the
Internal IP address
field or select the radio button for an
attached device listed in the table.
13.
Click the
Apply
button.
The service is now in the list on the Port Forwarding/Port Triggering screen.
Edit a Port Forwarding Service
To edit a port forwarding entry:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
http://routerlogin.net
or
.
A login screen displays.
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 screen displays.
4.
Select
ADVANCED > Advanced Setup > Port Forwarding/Port Triggering
.
5.
Leave the
Port Forwarding
radio button selected as the service type.
6.
In the table, select the radio button next to the service name.
7.
Click the
Edit Service
button.
The Ports - Custom Services screen displays.
8.
Specify changes as needed.
9.
Click the
Apply
button.
Your changes are saved.
Delete a Port Forwarding Entry
To delete a port forwarding entry:
1.
Launch a web browser from a computer or wireless device that is connected to the
network.
2.
Type
http://routerlogin.net
or
.
A login screen displays.

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