Table 1-4: Tcp Protocol Packet Filtering Options - Black Box Advanced Console Server User Manual

Introduction
packets arriving from any other source IP address than the one specified are
dropped.
Numeric Protocol Options
If you select Numeric as the protocol when specifying a rule, you need to
specify the desired number.
TCP Protocol Options
If you select TCP as the protocol when specifying a rule, you can define the
following options.

Table 1-4: TCP Protocol Packet Filtering Options

Field/Menu Option
Source Port
- OR -
Destination Port
TCP Flags
16
Definition
You can specify a source or destination port number for filtering in
the "Source Port" or "Destination Port" field. You can also specify
a range so that TCP packets are filtered for any port number within
the range.
Specifying any of the flags: "SYN" (synchronize), "ACK"
(acknowledge), "FIN" (finish), "RST" (reset), "URG" (urgent),
"PSH" (push), and one of the "Any," "Set," or "Unset" conditions,
filters TCP packets for the specified flag and the selected
condition.