User`s manual

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3.7.1.2 IP Protocol Filters
The protocol, source address, and destination address fields of a packet
incoming from the WLAN or Ethernet interface is inspected for filtering. In a
rule, specify the hex-decimal protocol number, source IP address range
(Source IP Address AND Source Subnet Mask), and destination IP address
range (Destination IP Address AND Destination Subnet Mask).
A source (destination) IP address range is determined by performing an
‘AND’ operation on the source (destination) IP address field and the source
(destination) subnet mask field. For example, if the source IP address field is
192.168.0.1 and the source subnet mask field is 255.255.255.0, the resultant
source IP address range is 192.168.0.0 to 192.168.0.255.
3.7.1.3 TCP/UDP Port Filters
The destination port field for the TCP or UDP header of a packet incoming
from the WLAN or Ethernet interface is inspected for filtering. In a rule,