User's Manual

Update Status. The status of your DDNS service, please check the status of
the DDNS service here, if you got an error message which is not the problem
of your configuration, please contact your DDNS service provider. Please refer
to the Appendix E for all Update Status messages.
Click the Update to check your current status of the DDNS service, or click
refresh to refresh the web page display.
3.2.3 Advanced Setup >> Firewall
DoS Attack Threshold. When the gateway suffers a continuous attack from
the Internet (Which is not a regular connection, usually they are lost of
connection requests at a time to consume or exhaust the memory of the
gateway.) The gateway will drop the traffics from the attack sources instead of
treating them like normal traffics. Please select your own threshold bandwidth
from the attack source on the Internet by clicking the radio button. (Normally
when you have a smaller bandwidth to the Internet, you will have a
correspondently smaller DoS Attack Threshold. Otherwise the DoS function
will not work properly.)
Block Request from WAN Port. Block request from WAN port feature
reinforces your network security by hiding your network ports; this makes it
difficult for others to intrude into your network. This feature is enabled by
default. But if you host servers on your LAN, you cannot enable this feature,