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3.5.2 DoS (Denial-of-Service)

Denial of Service (DoS) is a common attack measure, by transmitting a great amount of data or

request to your Internet IP address and server, the Internet connection will become very slow,

and server may stop responding because it is not capable to handle too much traffics.

This router has a built-in DoS attack prevention mechanism; when you activate it, the router will

stop the DoS attack for you.

Parameter

Description

Ping of Death

Set the threshold of when this DoS prevention mechanism will be

activated. Please check the box of Ping of Death, and input the

frequency of threshold (how many packets per second, minute,

or hour), you can also input the “Burst” value, which means when

this number of “Ping of Death” packet is received in very short

time, this DoS prevention mechanism will be activated.

Discard Ping From WAN

Check the box to discard this ping request to the WAN IP

address of the router.

Port Scan

Many kind of port scan methods are listed here, please check

one or more DoS attack methods you want to prevent.

Sync

Flood

Like Ping of Death, you can set the threshold of when this DoS

prevention mechanism will be activated.

Advanced

Click this button and you can set advanced settings of the

Settings

DoS prevention method listed above, please see section 3.5.2.1

‘DoS – Advanced Settings’ below.

3.5.2.1 DoS – Advanced Settings

When you click ‘Advanced Settings’ button in DoS page, the following page will be displayed on

your web browser:

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Parameter

Description

Ping of Death

Set the threshold of when this DoS prevention mechanism will be

activated. Please check the box of Ping of Death, and input the

frequency of threshold (how many packets per second, minute,

or hour), you can also input the ‘Burst’ value, which means when

this number of ‘Ping of Death’ packet is received in very short

time, this DoS prevention mechanism will be activated.

Port Scan

Many kind of port scan methods are listed here, please check

one or more DoS attack methods you want to prevent.

Sync Flood

Like Ping of Death, you can set the threshold of when this DoS

prevention mechanism will be activated.

After you finish with all settings, please click “Apply” button.

If you want to reset all settings in this page, please click “Cancel” button.

After you clicked Apply, the following message will be displayed on your web browser:

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You can click “Continue” to back to previous setup page to continue on other setup procedures,

or click “Apply” to reboot the router so the settings will take effect (Please wait for about 30

seconds while router is rebooting).

3.5.3 VPN Pass through

Parameter

Description

IPsec pass through

Check this box and the router will enable IPsec packets

pass through the router for VPN connection.

PPTP pass through

Check this box and the router will enable PPTP packets

pass through the router for VPN connection

L2TP pass through

Check this box and the router will enable L2TP packets

pass through the router for VPN connection.

After you finish with all settings, please click “Apply” button.

If you want to reset all settings in this page, please click “Cancel” button.

After you clicked Apply, the following message will be displayed on your web browser:

You can click “Continue” to back to previous setup page to continue on other setup procedures,

or click “Apply” to reboot the router so the settings will take effect (Please wait for about 30

seconds while router is rebooting).

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3.6 Administration

The Administration page allows you to specify a time zone, to change the system password and

to specify a remote management port, to upgrade firmware, to save/reload configuration

settings, to enable system log, to view the statistics information, and to enable/disable UPnP for

the Router.

3.6.1 Time

Parameter

Description

Current Time

Display the router’s current time. You can manually configure it

or Click on Copy Time from PC.

Enable NTP Update

Check to enable time auto-synchronization through Internet.

Time Zone

You can select your local time zone here. The router will sync

time according to your time zone selection.

Time Server Address

Input the IP address / host name of time server here

Daylight Savings

If the country you live uses daylight saving, please check the

Enable box and choose the duration of daylight saving.

After you finish with all settings, please click “Apply” button.

If you want to reset all settings in this page, please click “Cancel” button.

After you clicked Apply, the following message will be displayed on your web browser:

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You can click “Continue” to back to previous setup page to continue on other setup procedures,

or click “Apply” to reboot the router so the settings will take effect (Please wait for about 30

seconds while router is rebooting).

3.6.2 Management

3.6.2.1 Password

You can change the password required to log into the Router’s web configuration utility. The

default user name and password are “admin”. It is suggested to change the administrator’s

default password as soon as you start to use the Router, and store it in a safe place. The

password can consist of 0 to 12 alphanumeric characters, and are case sensitive.

Parameters

Description

Current Password

Enter the current password of the router.

New

Password

Enter your new password.

Confirmed

Password

Enter your new password again for verification purposes.

Note

: If you forget your password, you’ll have to reset the router to the

factory default (user name and password are both ‘admin’) by pushing

and holding the reset button on the back of the router for 10 seconds.