Supplies conditions on when to apply the masks to a
packet. These conditions relate to the source and
destination ports of a packet. All (1) means apply the
action in all contexts. AT (2) means apply the
action if the packet is received from or distined to
the ports specified by a3filterPolicyPorts1. TO (3)
means apply the action if the packet is destined to
those ports. FROM (4) means apply the action if the
packet is received from one of those specified ports.
FROM ports1 TO ports2 (5) means apply the action if
the packet is received from the ports defined by
a3filterPolicyPorts1 and destined to the port defined
by a3filterPolicyPorts2. BETWEEN ports1 AND ports2 (6)
means apply the action if the packet is received from
one of the ports defined by a3filterPolicyPorts1 and
destined for one of the ports defined by
a3filterPolicyPorts2 or if the packet is received from
one of the ports defined by a3filterPolicyPorts2 and
destined for one of the ports defined by
a3filterPolicyPorts1. Finally AMONG (7) means apply the
action if the packet is received from and destined to one
of the ports specified by a3filterPolicyPorts1