RTA04N User

’

s Manual

Ed.0.1

Page 61 of 78



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.4.5. DDNS

Choose “

Service

→DDNS

”, you can configure the DDNS function in the screen (shown in

Figure

4-42).

The router offers a Dynamic Domain Name System (DDNS) feature. The feature lets you use a

static host name with a dynamic IP address. User should type the host name, user name and

password assigned to your ADSL Router by your Dynamic DNS provider.

Figure 4-42



DDNS provider:

There are two DDNS provider to be selected in order to register your device,

DynDNS.org and TZO.



Hostname:

Domain name to be registered with the DDNS server.



Interface:

The WAN interface over which your device will be accessed.



Enable:

Check to enable the registration account for the DDNS server.

DynDns Settings:

RTA04N User

’

s Manual

Ed.0.1

Page 62 of 78



Username:

Username assigned by the DDNS provider.



Password:

Password assigned by the DDNS provider

TZO Settings:



Email:

Email address assigned by DDNS provider.



Key:

Key assigned by DDNS provider.



Dynamic DDNS Table:

Display the DDNS entry of this device.

Click the

Add

button to add the DDNS entry. Click the

Remove

button to delete the existed DDNS

entry.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.5. Firewall

Choose “

Firewall

”, you can see the next submenus:

Click any of them, and you will be able to configure the corresponding function.

4.5.1. MAC Filter

Choose “

Firewall→MAC Filter

” menu, and you will see the next screen (shown in

Figure 4-43). In

order to management your local network better, you can use the MAC address filter function to

control the internet access. Here you can set the MAC filtering rules.

RTA04N User

’

s Manual

Ed.0.1

Page 63 of 78

Figure 4-43



Outgoing/Incoming Default Policy:

The default action of outgoing/incoming connection. It can

be “Deny” or “Allow”. If the connection doesn’t match any MAC filtering rules, the router will

handle the connection with the default action you have set.



Direction:

The direction of the filter entry, it can be “Outgoing” or “Incoming”.



Action:

The action of the filter entry, it can be “Deny” or “Allow”. If the action is “Deny”, the

connection matches the filter rule will be denied, if the action i

s “Allow”, the connection matches

the filter rule will be allowed.



Source MAC:

The source MAC address of the filter entry. Empty means matching any source

MAC address.



Destination MAC:

The destination MAC address of the filter entry. Empty means matching any

source MAC address.



Add:

Click this button to add your rule into “Current MAC Filter Table”.



Current MAC Filter Table:

It shows the current MAC filtering rules. You can delete the entry on

the list.



Delete:

Check the desired rule and then click this button to delete the corresponding rule.



Delete All:

Click this button to delete all the rules in the table.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

RTA04N User

’

s Manual

Ed.0.1

Page 64 of 78

IP/Port Filter

Choose “

Firewall→IP/Port Filter

” menu, and you will see the next screen (shown in

Figure 4-44).

Here you can set the IP/Port filter rules to secure or restrict your local network.

Figure 4-44



SPI Firewall:

Choose to enable or disable the SPI firewall.



Rule Action:

The filter mode of this entry, it can be “Permit” and “Deny”. If the mode is “Permit”,

the IP connection matches the rule

will be permitted; if the mode is “Deny”, the IP connection

matches the rule will be denied.



Protocol:

The protocol of this entry, it can be “IP”, “ICMP”, “TCP” and “UDP”.



Direction:

The direction of this entry, it can be “upstream” and “Downstream”.



Source IP Address / Mask Address:

The source IP address and mask address of the entry.



Dest IP Address / Mask Address:

The destination IP address and mask address of the entry.



SPort:

Tf the protocol is “TCP” or “UDP”, you should set the source port of the ent

ry. It can be a

single port or a port range.



Dport:

TI the protocol is “TCP” or “UDP”, you should set the destination port of the entry. It can

be a single port or a port range.



Enable:

Choose to enable or disable this filter entry.

RTA04N User

’

s Manual

Ed.0.1

Page 65 of 78



Current Filter table:

It shows the current filter rules. You can enable or disable or delete the

filter entry.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.

4.5.2. URL Filter

Choose “

Firewall

→URL Filter

” menu, and you will see the next screen (shown in

Figure 4-45). Here

you can specify which site can’t be accessed based on URL to secure or restrict your local network.

Figure 4-45



URL Blocking Capability:

Enable or disable the URL filtering function. If it is enabled, the

access to the site which matches the keyword will be blocked by the router; if it is disabled,

nothing will be done.



Keyword:

The keyword of the site you want to block.



URL Blocking Table:

It shows the current URL filtering entry. You can delete the selected

entry.

For example:

If you want to forbid the user to access the website including “yahoo.com”.

Step 1:

Select “Enable” (shown in

Figure 4-45).

Step 2:

Enter “yahoo.com” in the Keyword field.

Step 3:

Finally click the

AddKeyword

to save the entry.



Note:

After configuration, you need to click the

Save

button appeared on the left panel so that your

configuration can still take effect after the Router reboots.