71
from
. Be sure to enter the four separate parts of the IP
address into the four separate boxes in the field.
6. In the
Source End IP Address
field, enter the last IP
address of the range of you want to filter packets
from
. If
you want to filter from a single IP address, enter the same IP
address as the
Start IP Address
. Be sure to enter the four
separate parts of the IP address into the four separate boxes
in the field.
NOTE: IP addresses entered in these fields are consecutive.
If you need to filter packets from non-consecutive IP
addresses, enter the IP addresses as two or more
different ranges.
7. In the
Source Start Port
field, enter the first port of the
range you want to filter packets
from
. (See Table 2 on page
51 for a few of the most commonly needed well-known
ports.)
8. In the
Source End Port
field, enter the last port of the range
you want to filter packets
from
. To filter packets from a
single port, enter the same port number in the
Start
and
End
fields.
NOTE: Port ranges are consecutive. If you need to filter
packets from non-consecutive ports, enter the ports
addresses as two or more different ranges.
9. If you want to forward packets, in the
Destination Start IP
Address
field, enter the first IP address of the range of
addresses you want to send packets
to
. Be sure to enter
the four separate parts of the IP address into the four
separate boxes in the field.
10. In the
Destination End IP Address
field, enter the last IP
address of the range of you want to send packets
to
. If you
want to send packets to a single IP address, enter the same
72
IP address as the
Start IP Address
. Be sure to enter the
four separate parts of the IP address into the four separate
boxes in the field.
NOTE: IP addresses entered in these fields are consecutive.
If you need to send packets to non-consecutive IP
addresses, enter the IP addresses as two or more
different ranges.
11. In the
Destination Start Port
field, enter the first port of the
range you want to send packets to. (See Table 2 on page
51 for a few of the most commonly needed well-known
ports.)
12. In the
Destination End Port
field, enter the last port of the
range you want to send packets to. To send packets to a
single port, enter the same port number in the
Start
and
End
fields.
NOTE: Port ranges are consecutive. If you need to send
packets to non-consecutive ports, enter the ports
addresses as two or more different ranges.
13. In the
Protocol
field, select
TCP
,
UDP
,
TCP/UDP
, or
ICMP
according to the needs of your network.
14. Under the
Interface
field, select whether the
destination IP
address
is attached to the router’s
WAN
port or one of the
LAN
ports.
15. Under the
Action
field, select
Forward
to send the packets
to a destination IP address or select
Block
to restrict the
data packets from entering your network.
NOTE: If you select
Forward
, you must enter a destination
IP address.
16. Click
Apply
. This will take you back to the
Packet Filtering
screen (see Figure 30 on page 69).
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