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PROLiNK
®
H5004N User Manual
www.prolink2u.com
Version 1.00 (Jan’10)
25
4.4.4
DNS Configuration
There are two submenus for the DNS Configuration: [DNS Server] and [Dynamic DNS]
4.4.4.1 DNS Server
This page is used to select the way to obtain the IP addresses of the DNS
servers.
Fields in this page:
Function buttons in this page:
Apply Changes
Set new DNS relay configuration. New parameters will take effect after save into
flash memory and reboot the system. See section “Admin” for save details.
Undo
Discard your changes.
Field
Description
Attain DNS Automatically
Select this item if you want to use the DNS servers obtained by the
WAN interface via the auto-configuration mechanism.
Set DNS Manually
Select this item to configure up to three DNS IP addresses.
Page 27 / 68
PROLiNK
®
H5004N User Manual
www.prolink2u.com
Version 1.00 (Jan’10)
26
4.4.4.2 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.
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.
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.
Page 28 / 68
PROLiNK
®
H5004N User Manual
www.prolink2u.com
Version 1.00 (Jan’10)
27
Function buttons in this page:
Add
Click Add to add this registration into the configuration.
Remove
Select an existing DDNS registration by clicking the radio button at the Select
column of the Dynamic DNS Table. Click Remove button to remove the selected
registration from the configuration.
4.4.5
Firewall Configuration
Firewall contains several features that are used to deny or allow traffic from passing
through the device.
4.4.5.1 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.
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PROLiNK
®
H5004N User Manual
www.prolink2u.com
Version 1.00 (Jan’10)
28
Function button for this first setting block:
Apply Changes
Click to save the setting of default actions to the configuration.
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.
Src IP Address
The source IP address assigned to the traffic on which filtering is
applied.
Src Subnet Mask
Subnet-mask of the source IP.
Src Port
Starting and ending source port numbers.
Dst IP Address
The destination IP address assigned to the traffic on which filtering is
applied.
Dst Subnet Mask
Subnet-mask of the destination IP.
Dst Port
Starting and ending destination port numbers.
Function buttons for this second setting block:
Apply Changes
Click to save the rule entry to the configuration.
Function buttons for the Current Filter Table:
Delete Selected
Delete selected filtering rules from the filter table. You can click the checkbox at
the Select column to select the filtering rule.
Delete All
Delete all filtering rules from the filter table.
Page 30 / 68
PROLiNK
®
H5004N User Manual
www.prolink2u.com
Version 1.00 (Jan’10)
29
4.4.5.2 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.
Function button for this first setting block:
Apply Changes
Click to save the setting of default actions to the configuration.
Fields on the second setting block:
Field
Description
Rule Action
Deny or allow traffic when matching this rule.
Direction
Traffic bridging/forwarding direction.
Src 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.
Dst 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
care.
19216811.live