Nat/Dmz/Upnp - Caimore CM520-8AF/W User Manual

interface). Usually this rule shields invalid IP address to go through gateway, can reduce
data flow, or as bank application, can shield other IP address access to bank IP address to
realize filtering functional and reduce data flow.
 MAC Address Filter
 Rule name：it is limited to use characters 0-9.a-z.A-Z，also can't repeat name
 MAC：Block or permit device MAC address, input format is"00:12:23:34:45:56"
Example 1:
1. If select "setup MAC address filtering"
2. Running rule select: "discard packet matching following fule "
3. Input"00:00:23:34:45:56"in MAC.
So gateway will discard all data packet of MAC address "00:00:23:34:45:56",
meanwhile permit all data packet which MAC address is not"00:00:23:34:45:56"to go
through.
Example 2 :
1. If select "setup MAC address filtering"
2. Running rule select: "receive packet matching following rule"
3. Input"00:00:23:34:45:56"in MAC.
So gateway only receive data packet which MAC address is "00:00:23:34:45:56", and
discard all other data packet which MAC address is not "00:00:23:34:45:56".

4.2.2 NAT/DMZ/UPNP

 NAT
The full name of NAT is "Network Address Translation", also means port mapping. It's
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