5.3.
Advanced Setup
5.3.1.
Firewall
Parameter
Firewall
SPI
Description
When you enable the firewall function, it will protect you
from following attacks of WAN side:
SYN flooding attack
Ping of Death
Teardrop
Land attack
If you enable SPI, all traffics initiated from WAN site will
be blocked including DMZ, Virtual Server, etc.
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