The filtering rules applied to the port. The filtering rules are
presented in bitmap format.
in receiving order:
OCTET 1 OCTET 2 .....
xxxxxxxx xxxxxxxx .....
|| || |_ filter 9
|| ||
|| ||___ filter 8
|| |____ filter 7
|| . . .
||_________ filter 2
|__________ filter 1
where x : 1 - The represented filter rule applied to the port
0 - The represented filter rule not applied to the port.