User's Manual

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3.4 Network Security
On the Start > Network Security page, you can do essential security settings: virus
defense and rate limit. You can’t go to this page if the Internet connection hasn’t been
configured yet.
Note
When you click Apply button to save and apply your settings, the system will
automatically enable the Synchronize with SNTP Server function (you also can setup it
in System Admin >Time page), so it will acquire standard time once connected to
Internet.
3.4.1 Virus Defense
In this section (see Figure 3-11), you can do basic security settings to effectively defense
ARP spoofing attack, Dos and DDoS attack, and popular virus attack (e.g., Worm.Blaster
and Worm.Sasser). It will make your network robust and security.
Figure 3-11 Virus Defense
 Enable ARP Spoofing Defense: To protect the Device against ARP spoofing attack
effectively, select this check box, and then bind all IP/MAC address pairs of the
whole LAN PCs (setup on Security > ARP Spoofing Defense, see chapter 3.5.2).
 Enable Auto IP/MAC Binding: If you select this check box, it will periodically detect
active hosts connected to the device, and immediately bind all of the new valid
dynamic ARP information (IP and MAC address pairs) once learned them.