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DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
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3.
First enter the old password, and then enter the new password—twice. Click
Apply
.
4.
Change the login idle time-out by changing the number of minutes. Click
Apply
.
The password and time-out values you entered will revert back to
password
and
5
minutes,
respectively, after a factory default reset.
Enabling Remote Management Access
Using the Remote Management page, you can allow an administrator on the Internet to configure,
upgrade, and check the status of your ProSafe DGFV338. You must be logged in locally to enable
remote management (see
“Logging in and Configuring your Internet Connection” on page 2-3
).
Figure 6-1
Note:
If you make the administrator login time-out value too large, you will wait a
long time before you are able to log back into the router if your previous login
was disrupted (i.e., you did not click
Logout
on the Main Menu bar to log
out).
Note:
Be sure to change the firewall default configuration password to a very secure
password. The ideal password should contain no dictionary words from any
language, and should be a mixture of letters (both upper and lower case), numbers,
and symbols. Your password can be up to 30 characters. See
“Changing the
Passwords and Login Time-out” on page 6-7
for the procedure on how to do this.
Change guest
Change administrator
Change administrator
login time-out
name and password
read-only password
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Figure 7.2 shows the Remote Management screen that is invoked when you select Remote
Management under Management on the main menu.
To configure your firewall for Remote Management:
1.
Select
Administration
from the main menu and
Remote Management
from the submenu.
The
Remote Management
screen will display.
2.
Under
Allow Remote Management,
check the
Yes
radio box.
3.
Specify which external addresses will be allowed to access the firewall’s remote management.
a.
To allow access from any IP address on the Internet, select Everyone.
b.
To allow access from a range of IP addresses on the Internet, select IP address range.
Enter a beginning and ending IP address to define the allowed range.
c.
To allow access from a single IP address on the Internet, select Only this PC.
Enter the IP address that will be allowed access.
4.
Specify the Port Number that will be used for accessing the management interface.
Web browser access normally uses the standard HTTP service port 80. For greater security,
you can change the remote management Web interface to a custom port by entering that
number in the box provided. Choose a number between 1024 and 65535, but do not use the
number of any common service port. The default is 8080, which is a common alternate for
HTTP.
Figure 6-2
Note:
For enhanced security, restrict access to as few external IP addresses as
practical.
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5.
Click
Apply
to have your changes take effect.
When accessing your firewall from the Internet, the Secure Sockets Layer (SSL) will be
enabled. Enter
https:// and
type your firewall WAN IP address into your browser, followed by
a colon (:) and the custom port number. For example, if your WAN IP address is 172.21.4.1
and you use port number 8080, type the following in your browser:
The router’s remote login URL is
https://IP_address:port_number
or
https://FullyQualifiedDomainName:port_number
.
If you do not use the SSL
https://address
, but rather use
http://address
, the DGFV338 will
automatically attempt to redirect to the
https://address.
Command Line Interface
You can access the command line interface (CLI) either by using telnet or by connecting a terminal
to the console port on the front of the unit.
To access the CLI from a communications terminal when the ProSafe DGFV338 is still set to its
factory defaults (or use your own settings if you have changed them), do the following:
1.
From the command line prompt, enter the following command:
Note:
The first time you remotely connect the DGFV338 with a browser via SSL,
you may receive a message regarding the SSL certificate. If you are using a
Windows computer with Internet Explorer 5.5 or higher, simply click Yes to
accept the certificate.
Tip:
If you are using a dynamic DNS service such as TZO, you can always identify
the IP address of your DGFV338 by running
tracert
from the Windows Start
menu Run option. For example,
tracert your
DGFV338.mynetgear.net
and you will see the IP address your ISP
assigned to the DGFV338.
Note:
The command line interface is not supported at this time. Check with the
NETGEAR Web site for the latest status.
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2.
Enter
admin
and
password
when prompted for the login and password information (or enter
guest
and
password
to log in as a read-only guest).
Any configuration changes made via the CLI are not preserved after a reboot or power cycle unless
the user issues the CLI save command after making the changes.
Event Alerts
You can be alerted to important events such as WAN port auto-rollover, WAN traffic limits
reached, and login failures and attacks.
Traffic Limits Reached
Figure 6-3
shows the
Internet Traffic
screen that is invoked by clicking
Internet Traffic
under
WAN Setup
on the Main Menu bar. The ADSL and Ethernet ports are programmed separately. A
WAN port shuts down once its traffic limit is reached when this feature is enabled.
Note:
No password protection exists when using the console port to access the unit.
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Monitoring
You can view status information about the firewall, WAN ports, LAN ports, and VPN tunnels and
program SNMP connections.
Router Status
The Router Status menu provides status and usage information on the LAN port, the ADSL
configuration and the Ethernet configuration. From the main menu of the browser interface under
Management, select Router Status to view this screen.
Figure 6-3
WAN port shuts down once
Each WAN port is
programmed separately.
the traffic limit is reached. An
email alert can be sent when
this shutdown happens.

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