Gigafast EE410-R, Руководство пользователя

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common method used by hackers to test whether the WAN IP
address is valid and supports a network.
2-5-2 Client Filtering
To block a certain client PCs accessing the Internet based on
time.
You can filter Internet access for local clients based on IP
addresses, application types, (i.e., HTTP port), and time of day.
For example, this screen shows that clients in the address
range 192.168.2.50-99 are permanently restricted from using
FTP (Port 21), while clients in the address range
192.168.2.110-119 are blocked from browsing the Internet (port
80) from Monday to Friday and from 0:00AM to 11:00 PM.
Example:
2-5-3 MAC Control
You can block certain client PCs accessing the Internet based
on MAC addresses.
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