User's Manual

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3.4.1 Basic
From the navigation tree, select Firewall >> Basic Setup, then enter the “Basic Setup” page.
Table 3-4-1 Firewall - Basic Setup Parameters
Basic Setup of Firewall
Function description: Set basic firewall rules.
Parameters Description Default
Default Filter Policy Select accept/block Accept
Filter PING detection from Internet Select to filter PING detection Disable
Filter Multicast Select to filter multicast function Enable
Defend DoS Attack Select to defend DoS attack Enable
3.4.2 Filtering
It implements permission or prohibition of access for appointed data flow via configuration of
some matching rules so as to filter the network interface data. After message is received by port of
router, the field is analyzed according to the rule applied on the current port. And after the special
message is identified, the permission or prohibition of corresponding packet is implemented
according to present strategy.
To enable Access Control from the navigation tree, select Firewall >> Filtering, then enter
“Filtering” page.
Table 3-4-2 Filtering Parameters
Access Control of Firewall
Function description: Control the protocol, source/destination address and source/destination
port passing through network packet of the router to provide a safe intranet.
Parameters Description Default
Enable Check to enable filtering. Enable
Protocol Select all/TCP/UDP/ICMP ALL
Source address Set source address of access control 0.0.0. 0/0
Source Port Set source port of access control Not
available
Destination
Address
Set destination address N/A
Destination
Port
Set destination port of access control Not
available
Action Select accept/block Accept
Log Click to enable log and the log about access control will be Disable