NETGEAR FVS318N

IPv4 Firewall Protection
149
ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N
As an example, assume that three computers on the LAN are set up as follows, and that their
IP and MAC addresses are added to the IP/MAC Bindings table:
• Host 1. MAC address (00:01:02:03:04:05) and IP address (192.168.10.10)
• Host 2
. MAC address (00:01:02:03:04:06) and IP address (192.168.10.11)
• Host 3
. MAC address (00:01:02:03:04:07) and IP address (192.168.10.12)
There are three possible scenarios in relation to the addresses in the IP/MAC Bindings table:
• Host 1
has not changed its IP and MAC addresses. A packet coming from Host 1 has IP
and MAC addresses that match those in the IP/MAC Bindings table.
• Host 2
has changed its MAC address to 00:01:02:03:04:09. The packet has an IP
address that matches the IP address in the IP/MAC Bindings table but a MAC address
that does not match the MAC address in the IP/MAC Bindings table.
• Host 3
has changed its IP address to 192.168.10.15. The packet has a MAC address that
matches the MAC address in the IP/MAC Bindings table but an IP address that does not
match the IP address in the IP/MAC Bindings table.
In this example, the wireless VPN firewall blocks the t
raffic coming from Host 2 and Host 3,
but allows the traffic coming from Host 1 to any external network. The total count of dropped
packets is displayed.
 To set up IP/MAC bindings:
1. Select Se
curity > Address Filter > IP/MAC Binding. The IP/MAC Binding screen
displays. (The following figure shows a binding in the IP/MAC Binding table as an
example.)
Figure 78.