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3.7.1.4 DNS Relay
The DNS Configuration allows the user to set the configuration of DNS.
DNS Rely Selection:
If user wants to disable this feature, he just needs to set both
Primary & Secondary DNS to 0.0.0.0. Using DNS relay, users can setup DNS server IP
to 192.168.1.1 on their computer. If not, device will perform as NO DNS relay.
If you don’t want to use the DNS Relay option, set the DNS relay to “
Use User
Discovered DNS Server Only
” and set both Primary and Secondary DNS Servers to
0.0.0.0
”.
°
3.8 Wireless Configuration
°
3.8.1 Wireless Configuration
Go to
Interface -> Wireless
to setup the wireless parameters.
SSID:
The SSID is a unique name to identify the ADSL Router in the Wireless LAN.
Wireless Clients associating to the ADSL Router must have the same SSID.
Broadcast SSID
: Select
No
to hide the SSID such that a station can not obtain the SSID
through passive scanning. Select
Yes
to make the SSID visible so a station can obtain in
the SSID through Passive scanning.
Channel ID:
The range of radio frequencies used by IEEE 802.11b/g wireless devices
us called a channel.
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3.8.1.1 Wireless Security
WEP
(Wired Equivalent Privacy) encrypts data frames before transmitting over the
wireless network. Select
Disable
to allow all wireless computers to communicate with
the access points without any data encryption. Select
64-bit WEP
or
128-bit WEP
to
use data encryption.
Key#1~Key#4
The WEP keys are used to encrypt data. Both the ADSL Router and the
wireless clients must use the same WEP key for data transmission. If you chose
64-bit
WEP
, then enter any
10
hexadecimal digits (“0-9”, “A-F”) preceded by 0x for each key
(1-4). If you choose
1280bit WEP
, then enter
26
hexadecimal digits (“0-9”, “A-F”)
preceded by 0x for each key (1-4). The values must be set up exactly the same on the
Access Points as they are on the wireless client stations. The same value must be
assigned to Key 1 on both access point (your ADSL Router) and the client adapters, the
same value must be assigned to Key 2 on both access point and the client stations and so
on, for all four WEP keys.
WPA-PSK
Wi-Fi Protected Access, pre-shared key. Encrypts data frames before
transmitting over the wireless network.
Pre-shared Key
is used to encrypt data. Both the ADSL Router and the wireless clients
must use the same WPA-PSK Key for data transmission.
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3.8.1.2 Advanced Setting
Beacon Interval:
The Beacon Interval value indicates the frequency interval of the
beacon. Enter a value between 20 and 1000. A beacon is a packet broadcast by the
Router to synchronize the wireless network.
RTS Threshold:
The RTS (Request To Send) threshold (number of bytes) for enabling
RTS/CTS handshake. Data with its frame size larger than this value will perform the
RTS/CTS handshake. Set this attribute to be larger than the
maximum MSDU
(MAC
Service Data Unit) size
TURNS OFF
the RTS/CTS handshake. Set this attribute to
ZERO
TURNS ON
the RTS/CTS handshake. Enter a value between 0 and 2432.
Fragment Threshold:
The threshold (number of bytes) for the fragmentation
boundary for directed messages. It is the maximum data fragment size that can be sent.
Enter a value between 256 and 2432.
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DTIM:
This value is between 1 and 255, indicates the interval of the Delivery Traffic
Indication Message (DTIM).
s
°
3.8.1.3 MAC Address Filter
You can allow or deny a lust of MAC addresses associated with the wireless stations
access to the ADSL Router.
Status:
Use the drop down list box to enable or disable MAC address filtering.
Action:
Select
Deny Association
to block access to the router, MAC addresses not
listed will be allowed to access the router. Select
Allow Association
to permit access to
the router, MAC addresses not lusted will be denied access to the router.
°
3.9 Access Management
°
3.9.1 ACL
Go to
Access Management -> ACL
to enable remote management.
Access Control Listing (ACL) is a management tool that acts as a filter for incoming or
outgoing packets, based on application. You may use telnet or Web to remotely manage
the ADSL Router. User just needs to enable Telnet or Web and give it an IP address that
wants to access the ADSL Router. The default IP 0.0.0.0 allows any client to use this
service to remotely manage the ADSL Router.
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ACL:
There has
Activated
&
Deactivated
option. The default setting is
Deactivated
which means all IP can access via router. If you choose
Activated
, you only can
access via router by listed IP addresses.
ACL Rule Index:
Index number from 1 and up to 16.
Active:
Once you choose
Yes
then you can access the IP via router.
Application:
Each of these labels denotes a service that you may use to remotely
manage the Router. Choices are
Web, FTP, Telnet, SNMP, Ping, ALL
.
Interface:
Select the access interface. Choices are
WAN, LAN
and
Both.
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3.9.2 IP Filtering
Go to
Access Management -> IP Filtering
to block some packets form WAN.
The Router provides extensive firewall protection by restricting connection
parameters to limit the risk of intrusion and defending against a wide array of
common hacker attackers. Go to
Access Management
->
IP Filtering
to set different
IP filter rules of a given protocol (TCP, UDP, or ICMP) and a specific direction
(incoming, outgoing, or both) to filter the packets.
IP Filter is a more complex filtering tool, based more on IP and custom rules. Each of
the indices can hold six rules, and each interface can have four associated indices,
allowing 24 rules per interface. If all six rules in an index are Next rules, the data will be
sent to the next index for filtering.

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