Hawking HW2R1 Router Manual PDF (Setup & Configuration Guide)

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98

URL/Keyword (2):

Input the URL (host name or IP address of website,

like

http://www.blocked-site.com

or

http://11.22.33.44

),

or the keyword which is contained in URL (like

pornography, cartoon, stock, or anything).

Add (3):

Click ‘Add’ button to add the URL / keyword to the URL /

Keyword filtering table.

Reset (4):

Click ‘Reset’ to remove the value you inputted in

URL/Keyword field.

Current URL

All existing URL/Keywords in filtering

Blocking Table (5):

table will be listed here.

Delete Selected (6): If you want to delete a specific URL/Keyword entry,

check the ‘select’ box of the MAC address you want to

delete, then click ‘Delete Selected’ button. (You can

select more than one MAC addresses).

Delete All (7):

If you want to delete all URL/Keyword listed here,

please click ‘Delete All’ button.

Reset (8):

You can also click ‘Reset’ button to unselect all

URL/Keywords.

After you finish with all settings, please click ‘Apply’ (9) button, and the

following message will be displayed on your web browser:

Press ‘Go Back to save the settings made and go back to the web

management interface; press ‘Apply’ to save the settings made and restart the

Smart Repeater so the settings will take effect after it reboots.

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99

3-3-3 DoS Attack Prevention

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 of handling too much traffic.

This Smart Repeater has a built-in DoS attack prevention mechanism; when

you activate it, the Smart Repeater will stop the DoS attack for you.

Please follow the following instructions to set DoS prevention parameters:

Please click ‘Security’ tab at the top of web management interface, then click

‘DoS’, and the following message will be displayed on your web browser:

Here are descriptions of every setup items:

Ping of Death (1):

Ping of Death is a special packet, and it will cause

certain computer to stop responding. Check this box

and the Smart Repeater will filter this kind of packet out.

1

2

3

4

5

6

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100

Discard Ping

Ping is a common and useful tool to know

From WAN (2):

the connection status of a specified remote network

device, but some malicious intruder will try to fill your

network bandwidth with a lot of PING request data

packet, to make your internet connection become very

slow, even unusable. Check this box and the Smart

Repeater will ignore all inbound PING request, but

when you activate this function, you will not be able to

ping your own Smart Repeater from internet, too.

Port Scan (3):

Some malicious intruder will try to use a ‘port scanner’

to know how many ports of your Internet IP address are

open, and they can collect a lot of valuable information

by doing so. Check this box and the Smart Repeater

will block all traffics which are trying to scan your

Internet IP address.

Sync Flood (4):

This is another kind of attack, which uses a lot of fake

connection request to consume the memory of your

server, and try to make your server become unusable.

Check this box and the Smart Repeater will filter this

kind of traffic out.

Advanced

Click this button and you can set advanced

Settings (5):

settings of the DoS prevention method listed above,

please see section 3-3-3-1 ‘DoS – Advanced Settings’

below.

After you finish with all settings, please click ‘Apply’ (6) button and the following

message will be displayed on your web browser:

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101

Press ‘Go Back to save the settings made and go back to the web

management interface; press ‘Apply’ to save the settings made and restart the

Smart Repeater so the settings will take effect after it reboots.

3-3-3-1 DoS - Advanced Settings

When you click ‘Advanced’ button in DoS menu, the following message will be

displayed on your web browser:

Here are descriptions of every setup items:

Ping of Death (a):

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

Check the box to activate this DoS

From WAN (b):

prevention mechanism.

Port Scan (c):

Many kind of port scan methods are listed here, please

check one or more DoS attack methods you want to prevent.

a

b

c

d

e

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102

Sync Flood (d):

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’ (6) button and the following

message will be displayed on your web browser:

Press ‘Go Back to save the settings made and go back to the web

management interface; press ‘Apply’ to save the settings made and restart the

Smart Repeater so the settings will take effect after it reboots.

3-3-4 Demilitarized Zone (DMZ)

Demilitarized Zone (DMZ) refers to a special area in your local network. This

area resides in the local network, and all computers in this area use private IP

addresses, too. But these private IP addresses are mapped to a certain

Internet IP address, so other people on the Internet can fully access those

computers in DMZ.

Please follow the instructions to set DMZ parameters:

Please click ‘Security’ tab at the top of web management interface, then click

‘DMZ’, and the following message will be displayed on your web browser:

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