ALFA NETWORK R36 - Manual (Page 51)

51
F
IREWALL
C
ONFIGURATION
MAC/IP/P ORT F ILTERING
MAC/IP/Port filtering restricts connection parameters to limit the risk of intrusion
and defends against a wide array of common hacker attacks. MAC/IP/Port filtering
allows the unit to permit, deny or proxy traffic through its MAC addresses, IP
addresses and ports. The 3G Mobile Wireless Router allows you define a sequential
list of permit or deny filtering rules (up to 32). This device tests ingress packets
against the filter rules one by one. A packet will be accepted as soon as it matches
a permit rule, or dropped as soon as it matches a deny rule. If no rules match, the
packet is either accepted or dropped depending on the default policy setting.
◆
MAC/IP/Port Filtering — Enables or disables MAC/IP/Port Filtering.
(Default: Disable)
◆
Default Policy — When MAC/IP/Port Filtering is enabled, the default policy will be
enabled. If you set the default policy to ―Dropped‖, all incoming packets that don’t
match the rules will be dropped. If the policy is set to "Accepted," all incoming
packets that don't match the rules are accepted. (Default: Dropped)
◆
MAC Address — Specifies the MAC address to block or allow traffic from.
◆
Destination IP Address — Specifies the destination IP address to block or allow
traffic from.
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Source IP Address — Specifies the source IP address to block or allow traffic from.
◆
Protocol — Specifies the destination port type, TCP, UDP or ICMP. (Default:
None).