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6.10.1 Firewall
Click
“Advanced”
->
”Firewall”
as follows:
Function
：
¾
Blocking Dos
：
Blocking list from all attack , All default value of the options
mentioned above is
ON
.
¾
Blocking ICMP(ping) from Internet:
In order to setup Ping package from
Internet to which IP Router has no response. It is for the protection from
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shock wave attack and other hacker detects.
¾
Blocking ICMP(ping) from LAN to internet:
In order to setup Ping
package from LAN to which IP Router has no response. It is for the
protection from shock wave attack.
¾
Connection Filtering:
：
By setting up IP address Filter, data package from
source IP address to destination address can be accepted or droped.
Setup Method
：
1. Choose Dos attack from which needed protected, then click
“Apply”
button
to effect current configuration. (Note: Current all options’ default value is
ON
)
2. Setup relative parameter of connection filter. Click
Add
to effect current
configuration. If you want to delete current rule, then choose the rule and
click
“Delete”
button.
¾
Direction
：
Setup the orientation of connection filter. There are two
options:
“WAN”
->
”LAN”
and
“LAN”
->
”WAN”
.
¾
Source IP Address
：
IP Router address of the computer which sends the
data.
¾
Net Mask
：
Subnet Mask of the computer which sends the data. Such
as 255.255.255.0 will be 24.
¾
Destination IP Address
：
IP Router address of the computer which
receives the data.
¾
Net Mask
：
Subnet Mask of the computer which receives the data. Such
as 255.255.255.0 will be 24.
¾
Protocol
：
Protocol support. There are four options:
Any
、
TCP
、
UDP
and
ICMP
，
Any
refers to all protocols.
¾
Destionation Port
：
Protocol port of destionation computer. If
Any
, then
it can not be setup.
¾
Accept/Drop
：
Setup
“Connection Filtering”
to accept or drop data
package.
