User's Manual

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4.4.2 Advanced Setup
Advanced Step provides some advanced features including Firewall, Routing, NAT, Static DNS, QoS,
Internet Grouping, Port Isolation and Time Schedule for all advanced users. Please move on to have a
picture of what the exact feature is about and how to use it.
4.4.2.1 Firewall
Y
our router includes a firewall for helping to prevent attacks from hackers. In addition to this, when using NAT
(Network Address Translation) the router acts as a “natural” Internet firewall, since all PCs on your LAN use
private IP addresses that cannot be directly accessed from the Internet.
Firewall: To automatically detect and block Denial of Service (DoS) attacks, such as Ping of Death, SYN Flood,
Port Scan and Land Attack.
 Enabled: It activates your firewall function.
 Disabled: It disables the firewall function.
SPI: If you enabled SPI, all traffics initiated from WAN would be blocked, including DMZ, Virtual Server, and ACL
WAN side.
 Enabled: It activates your SPI function.
 Disabled: It disables the SPI function.