
Security Setting
Parameter
Description
Destination IP address
You can define a single IP address (for example, 4.3.2.1) or a
range of IP addresses (for example, 4.3.2.1-4.3.2.254).
An empty field denotes all IP addresses.
Destination port address
You can define a single port (for example, 80) or a range of
ports (for example, 1000-1999).
Add prefix "T" or "U" to specify a TCP or UDP protocol. For
example, T80, U53, U2000-2999. No prefix indicates both
TCP and UDP protocols.
An empty field denotes all port addresses.
Enable
Check to enable the rule. Each rule can be enabled or
disabled individually.
Use Rule#
Packet Filter
can work with
Scheduling Rules
. For details,
please refer to
Schedule Rule
on page 80.
The Schedule Rule option facilitates the process of selecting a scheduling
rule for each Filter ID. Select a specific Schedule Rule from the Schedule
Rule Combo box. Select the Filter ID to which the schedule rule will apply
from the ID Combo box and click Copy to to copy the Schedule Rule
number to the selected Filter ID.
Click Save to save your Inbound/Outbound Packet Filter settings.
The following paragraphs provide examples for using the
Inbound/Outbound Packet Filter option.
3.7.2.1 Inbound
Filter
To enable Inbound Packet Filter click on the Inbound Filter button and
check the Enable box in the Inbound Packet Filter window.
In the following examples, the SMTP Server (port 25), POP Server (port 110),
Web Server (port 80), FTP Server (port 21), and News Server (port 119) are
defined in the Virtual Server or DMZ Host.
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