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Ubee Interactive
3.7
Gateway
DDW3612 Subscriber User Guide
July, 2010
27
3.7.7
Gateway - Options
The
Options
selection
allows you to define what networking protocols are enabled or
disabled on the device.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Gateway
link from the top of the screen.
3. Click
Options
from the left side of the screen. The
Options
fields are explained
following this screen example.
Label
Description
WAN Blocking
Select Enable to block connection requests initialized from
Internet users.
Ipsec PassThrough
If Internet users initialize an IPSec VPN request to a host
located behind the router, NAT makes this attempt fail.
Select Enable to force the router to redirect the IPSec
request to the local host.
PPTP PassThrough
If Internet users initialize a PPTP VPN request to a host
located behind the router, NAT will make this attempt fail.
Select Enable to force the router to redirect the PPTP
request to the local host.
Multicast Enable
Multicast optimizes the bandwidth utilization compared
with unicast especially video streaming applications.
Select Enable to enable multicast.
Page 32 / 70
3.7
Gateway
Ubee Interactive
28
DDW3612 Subscriber User Guide
July, 2010
3.7.8
Gateway - Mac Filtering
The
MAC Filtering
option allows you to filter MAC addresses in order to block internet
traffic from specific network devices on the LAN. This filtering establishes a black list.
Any host listed on this list will not be able to access the network/internet through the
DDW3612 Wireless Cable Modem Gateway.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Gateway
link from the top of the screen.
3. Click
MAC Filtering
from the left side of the screen. The
MAC Filtering
fields are
explained following this screen example.
UPnP Enable
Select Enable to activate Universal Plug and Play (UPnP).
A UPnP device can dynamically join a network, obtain an
IP address, convey its capabilities, and learn about
other devices on the network. In turn, a device can leave
a network smoothly and automatically when it is no
longer in use.
DNS Relay
Apply
Click Apply to save all screen changes.
Label
Description
Index
The Index number of the rule.
MAC Address
Enter the MAC address to block.
Page 33 / 70
Ubee Interactive
3.7
Gateway
DDW3612 Subscriber User Guide
July, 2010
29
3.7.9
Gateway - IP Filtering
The
IP Filtering
option allows you to filter IP addresses in order to block internet
traffic to specific network devices on the LAN. Any host listed on this list will not be
accessible to internet traffic.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Gateway
link from the top of the screen.
3. Click
IP Filtering
from the left side of the screen. The
IP Filtering
fields are
explained following this screen example.
Clear
Select Clear to delete the filtering rule.
View Additional Rules:
Select from the pull-down to display the remaining 10 rules, if
they exist. 20 rules total are supported.
Apply
Click Apply to save all screen changes.
Label
Description
Start Address
Enter the start IP address.
End Address
Enter the end IP address.
Enabled
Select Enabled to activate the rule.
Apply
Click Apply to save all screen changes.
Page 34 / 70
3.7
Gateway
Ubee Interactive
30
DDW3612 Subscriber User Guide
July, 2010
3.7.10
Gateway - Port Filtering
The
Port Filtering
option allows you to configure port filters in order to block specific
internet services on specific ports to all devices on the LAN.
1.
Access the web interface. Refer to
page 7
, if needed.
2. Click the
Gateway
link from the top of the screen.
3. Click
Port Filtering
from the left side of the screen. The
Port
Filtering
fields are
explained following this screen example.
Label
Description
Start Port
Enter the start port.
End Port
Enter the end port.
Protocol
Select the protocol type, or select Both for UDP and TCP.
Enabled
Select Enabled to active the rule and filter out all traffic on the
specified ports.
Apply
Click Apply to save all screen changes.
Page 35 / 70
Ubee Interactive
3.7
Gateway
DDW3612 Subscriber User Guide
July, 2010
31
3.7.11
Gateway - Forwarding
Port forwarding settings may be required to resolve issues where data is sent out from
a local host to the internet but the return path of expected data is not being received
by your local host. Or, you have an application or service running on your local
network (on a local host) that cannot be accessed from the internet directly (e.g. a
request to a local audio server). Port forwarding simply tells the cable modem to which
computer on the local area network to send the data. Here are some examples:
XBOX/PlaySation
—Some games/applications may require port forwarding.
Home Security Systems
—Some security systems that use the internet may
require port forwarding.
Audio Servers/VOIP
—Port forwarding may be required to fully enable these
applications/services.
Note:
If your host system(s)/applications do
not
have communications issues with
the internet, Forwarding is
not
needed.
You will need two major pieces of information to setup forwarding:
IP address(s) of local host systems
(e.g. XBOX) for which you need to setup a
port forwarding rule. See the continuing discussion below for how to obtain the IP
address(s).
The
port numbers
that a local host’s application listens to for incoming
requests/data (e.g. a game or other service). These port numbers should be
available in the documentation associated with the application. You can also refer
to
http://portforward.com
for more information.
The following tasks are recommended to support the setup of forwarding rules:
Enable UPNP (Universal Plug and Play). This may resolve the issue you have
without the need to set forwarding rules. Access the web interface of the cable
modem, see
page 7
. Select
Gateway
from the top menu, then
Options
from the
left menu. Select the option to enable UPNP. Test your local host/application (e.g.
XBOX) to determine correct functionality. If it is still not properly communicating,
continue with forwarding.
“Tools - Client List” on
page 64
—Use this option to obtain the MAC and IP address
of the internal host for which you are setting up a forwarding rule. You will also
need these for the following task.
“Gateway - Static Lease” on
page 24
—Before setting up forwarding, you are
recommended to assign a Static IP lease to the client/host to which you are setting
up forwarding. This way, the IP does not change and disrupt your forwarding rules.
For example, if you are hosting a web server in your internal network and you wish
to setup a forwarding rule for it, you should assign a static IP lease to that system
to keep the IP from renewing and disrupting the forwarding rule.

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