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DG-BG4300N User Manual
7.5 Dynamic DNS
Each time your device connects to the Internet, your ISP assigns a different IP address to your device.
In order for you or other users to access your device from the WAN-side, you need to manually track
the IP that is currently used. The Dynamic DNS feature allows you to register your device with a DNS
server and access your device each time using the same host name. The Dynamic DNS page allows
you to enable/disable the Dynamic DNS feature.
7.5.1 Dynamic DNS ( DDNS) Configuration
On the Dynamic DNS page, configure the following fields:
Field
Description
Enable
Check this item to enable this registration account for the DNS server.
DDNS provider
There are two DDNS providers to be selected in order to register your
device with:
DynDNS
and
TZO
. A charge may occur depends on the
service you select.
Hostname
Domain name to be registered with the DDNS server.
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Interface
This field defaults to your device’s WAN interface over which your
device will be accessed.
Username
User-name assigned by the DDNS service provider.
Password
Password assigned by the DDNS service provider.
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8. Firewall Setup
Firewall contains several features that are used to deny or allow traffic from passing through the device.
8.1 MAC Filtering
The MAC filtering feature allows you to define rules to allow or deny frames through the device based on
source MAC address, destination MAC address, and traffic direction.
Fields on the first setting block:
Field
Description
Outgoing Default Action
Specify the default action on the LAN to WAN bridging/forwarding path.
Incoming Default Action
Specify the default action on the WAN to LAN bridging/forwarding path.
Fields on the second setting block:
Field
Description
Rule Action
Deny or allow traffic when matching this rule.
Direction
Traffic bridging/forwarding direction.
Source MAC Address
The source MAC address. It must be xxxxxxxxxxxx format. Blanks can
be used in the MAC address space and are considered as don’t care.
Destination MAC Address
The destination MAC address. It must be xxxxxxxxxxxx format. Blanks
can be used in the MAC address space and are considered as don’t
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care.
8.2 IP/Port Filtering Setup
8.2.1 IP/Port Filtering
The IP/Port filtering feature allows you to deny/allow specific services or applications in the forwarding
path.
Fields on the first setting block:
Field
Description
Outgoing Default Action
Specify the default action on the LAN to WAN forwarding path.
Incoming Default Action
Specify the default action on the WAN to LAN forwarding path.
Fields on the second setting block:
Field
Description
Rule Action
Deny or allow traffic when matching this rule.
Direction
Traffic forwarding direction.
Protocol
There are 3 options available: TCP, UDP and ICMP.
Source IP Address
The source IP address assigned to the traffic on which filtering is
applied.
Source Subnet Mask
Subnet-mask of the source IP.
Source Port
Starting and ending source port numbers.
Destination IP Address
The destination IP address assigned to the traffic on which filtering is
applied.
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Destination Subnet Mask
Subnet-mask of the destination IP.
Destination Port
Starting and ending destination port numbers.
19216811.live