Edimax Technology 3G-6210n manual To scan your Internet IP address

Port Scan (3):	Some malicious intruder will try to use a ‘port
	scanner’ to know how many ports of your Internet
	IP address are open, and they can collect a lot of
	valuable information by doing so. Check this box
	and the router will block all traffics which are trying
	to scan your Internet IP address.
Sync Flood (4):	This is another kind of attack, which uses a lot of
	fake connection request to consume the memory of
	your server, and try to make your server become
	unusable. Check this box and the router will filter
	this kind of traffic out.
Advanced	Click this button and you can set advanced
Settings (5):	settings of the DoS prevention method listed above,
	please see section 3-3-3-1 ‘DoS – Advanced
	Settings’ below.

After you finish with all settings, please click ‘Apply’ (6) button and the following message will be displayed on your web browser:

Please click ‘Continue’ to back to previous setup menu; to continue on other setup procedures, or click ‘Apply’ to reboot the router so the settings will take effect (Please wait for about 30 seconds while router is rebooting).

If you want to reset all settings in this page back to previously-saved value, please click ‘Cancel’ button.

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