Filter
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Operating Instructions
70
Type Select Permit (if it conforms to the parameters it will be passed) or Prohibit
(if it conforms to the parameters it will be intercepted).
Direction Select W L (filtering when receiving from WAN) or L W (filtering when
sending to WAN).
Source IP
Address/Prefix
Length
Set the packet source IP address to be filtered.
• When specifying only 1 IP address, enter the IP address and its subnet
prefix length.
• When specifying an IP address range, enter the network address in the
IP address field, and the network prefix number in the prefix length field.
For example, when specifying an network address of 192.168.0.0/16,
enter 192.168.0.0 in the IP address field, and 16 in the prefix length
field.
• If " " is entered in the IP address field, all packets are filtered.
Note
When specifying an IP address range, even if this product's IP address
is included in the range, this product will not be filtered. When you want
to filter this product, it is necessary to enter " " or the code for this
product (local) in the IP address data field.
Source Port Set the packet source port to be filtered.
• When using only 1 port, enter the port number.
• When entering a range, enter "-" in between the numbers. For example,
when you want to use port numbers 2000 to 3000, enter "2000-3000".
The number on the left should be lower than the number on the right.
• If " " is entered, all packets are filtered.
Destination IP
Address/Prefix
Length
Set the packet destination IP address to be filtered. Entry is the same as for
the source IP address.
When you want to specify this product, enter "local".
Destination Port Set the packet destination port number to be filtered. Entry is the same as
for the Source Port.
Protocol Select a protocol to be used when sending/receiving data. It is possible to
select from TCP, UDP, TCP & UDP, ICMP, ESP, GRE and "
". " " selects
all the protocols.
Log Output Set whether to display the temporarily saved packet information on the
[Filtering Log].