User`s manual

5.7 Firewall

The ADSL router provides packet filtering and stateful packet inspection. It has

denial of service protection against attacks such as ICMP Flood, Ping of Death, IP

spoofing, Port Scans, Land Attack, Tear Drop Attack, IP Source Route and WinNuke

Attack.

To access the firewall functions, select Firewall from the advanced menu. The

screen will display as below, showing a list of the currently configured filter entries.

From the Firewall page, you can turn the Firewall Mode On or Off, view Filter

Parameters, add a filter, delete a filter, or View Action for filtered packets. All the

firewall settings will take effect immediately, including enabling/disabling the firewall

and addition/removal of firewall entries. Each of theses actions will be discussed

below.