
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 is 6:00
PM through Friday’s 11:00 PM.
Example:
2-5-3 MAC Control
You can block certain client PCs accessing the Internet based on
MAC addresses.
2-5-4 DMZ (Demilitarized Zone)
If a local client PC cannot run an Internet application properly from
behind the NAT firewall, open the client up to unrestricted two-way
Internet access by defining a virtual DMZ Host.
30