Airlink101 AR504 - Manual (Page 29)

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5.4 Security Setting
5.4.1 Packet Filter
Packet Filter enables you to control which packets are allowed to pass through the
router. Outbound filter applies on all outbound packets. However, Inbound filter applies
to packets that are destined to Virtual Servers or DMZ host only.
Outbound Packet Filter is the default packet filter page. To change to Inbound Packet
Filter, click on the Inbound Filter button.
You can select one of the two filtering policies:
1. Allow all [packets] to pass except those [that] match the specified rules
2. Deny all [packets] to pass except those [that] match the specified rules
Check on the Enable box to activate the packet filter function.
You can specify up to 8 filters for each direction. For each rule (ID), you can define the
following parameters:
• Source IP address
• Source port address
• Destination IP address
• Destination port address
• Protocol: TCP or UDP or both.
• Use Rule#