User's Manual

C HAPTER 7 | Services
IP/Port Filtering
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IP/PORT FILTERING
IP/Port filtering restricts connection parameters to limit the risk of intrusion
and defends against a wide array of common hacker attacks. IP/Port
filtering allows the unit to permit, deny or proxy traffic through its ports
and IP addresses.
Figure 30: IP/Port Filtering Settings
The following items are displayed on this page:
◆ Outgoing Default Action — Sets the default filtering action for
outgoing packets that do not match a rule in the filter table. (Default:
Permit, maximum 32 entries are allowed.)
◆ Incoming Default Action — Sets the default filtering action for
incoming packets that do not match a rule in the filter table. (Default:
Deny, maximum 32 entries are allowed.)
N OTE : The default incoming action denies all packets from the WAN port.
◆ Rule Action — Specifies if traffic should be permitted or denied.
(Default: Permit)
◆ Protocol — Specifies the destination port type, TCP, UDP or ICMP.
(Default: TCP).
◆ Direction — Specifies the packet destination. (Default: Outgoing)