Operation Manual

ENGLISH
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3.4.4 Firewall
User can decide to enable this firewall function including Packet Filter, Block Hacker Attack, and Block WAN request features
for better security control or not. But be noted, it wastes network processor computation power. The performance will be
lower about 5% to 10%. More firewall features will be added continually, please visit our web site to download latest firmware.
Packet Filter
Packet filtering function enables you to configure your ADSL Router to block specified internal/external user (IP address)
from Internet access, or you can disable specific service request (Port number) to /from Internet. You must check the
“Enable” radio button to make the following figure appear for further configuration.