21
Comment -
Type in
an appropriate
identifying comment
for the rule.
Pass or Block-
Pass
or
Block
the
action defined in this
filter rule.
Direction -
Select
In
or
Out
to pass or
block packets
coming in or going
out of the network.
Protocol -
Select
ICMP
,
TCP,
UDP
or
All
to pass or block packets of that
protocol type.
IP Address Filter Rule
Source -
Type in the source IP Address and select the Subnet Mask to
pass or block packets form that IP Address.
Destination -
Type in the destination IP Address and select the Subnet
Mask to pass or block packets destined to that IP Address.
Port Filter Rule -
UDP and TCP packets only. Select a range of ports to
pass or block.
Use the following guide to define the port or port range (Start Port and End
Port):
Web-based Management (continued)
3rd IP Filter window
< : Specifies the port numbers less than and equal to the Start Port
number.
> : Specifies the port numbers greater than and equal to the Start Port
number.
= : Sets the port number equal to the Start Port if there is no End Port
specified; if an End Port number is specified, this defines a range of ports
to filter. The range is defined as the port numbers between the Start Port
and End Port, including the Start and End Port numbers.