SMC Networks SMC7904WBRAS-N2 V2 - QUICK, Руководство пользователя

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C
HAPTER
8
| Services
IP/Port Filtering
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IP/P
ORT
F
ILTERING
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 49: 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)