User’s Manual
HSG Wireless Hotspot Gateway ENGLISH
36
4.4.3 Advanced
Advanced Firewall Settings can be enabled to supplement the firewall rules, providing extra security
enhancement against DHCP and ARP traffics traversing the available interfaces of the system.
DHCP Snooping
: When enabled, DHCP packets will be validated against possible threats like DHCP
starvation attack. In addition, the
Trusted DHCP List
(IP/MAC) can be used to specify legitimate DHCP
servers to prevent rouge DHCP server.
ARP Inspection
: When enabled, ARP packets will be validated against ARP spoofing.
o
Force DHCP
option when enabled, the AP only learns MAC/IP pair information through DHCP
packets. Since devices configured with static IP address does not send DHCP traffic, any
client with static IP address will be blocked from internet access unless its MAC/IP pair is listed
and enabled on the
Static List.
o
Broadcast
can be enabled to let other AP (with L2 firewall feature) learn the trusted MAC/IP
pairs to issue ARP requests.
o
Static List
can be used to add MAC or MAC/IP pairs of devices that are trusted to issue ARP
request. Other network nodes can still send their ARP requests; however, if their IP appears
on the static list (with different MAC), their ARP requests will be dropped to prevent
eavesdropping.
If any settings are made, please click
Apply
to save the configuration before leaving this page.
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