3.3.1 Packet Filters
Packet Filter includes both outbound filter and inbound filter. And they have same way to
setting. It enables you to control what packets are allowed to pass the router. Outbound filter
applies on all outbound packets. However, inbound filter applies on packets that destined to
Virtual Servers or DMZ host only. You can select one of the two filtering policies:
1.
Allow all to pass except those match the specified rules.
2.
Deny all to pass except those match the specified rules.
You can specify 8 rules for each direction: inbound or outbound. For each rule, you can define
the following:
•
Source IP address
•
Source port
•
Destination IP address
•
Destination port
•
Protocol: TCP or UDP or both.
•
Use Rule#
For source or destination IP address, you can define a single IP address (4.3.2.1) or a range
of IP addresses (4.3.2.1-4.3.2.254). An empty implies all IP addresses.
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