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Firewall Tab
The Firewall Tab allows you to configure software security features like SPI (Stateful Packet
Inspection) Firewall, IP based Access List, restriction LAN users on Internet (WAN port)
access, and NAPT (Network Address Port Translation) Settings (only works when NAT is
enabled) to limited services to specific ports.
Note that for WAN traffic, NAPT settings are applied first, then it will pass the SPI Firewall
settings, followed by IP based Access List (which requires more CPU power).
Firewall - Basic Settings
Figure 27: Basic Settings Screen
Basic Settings
Firewall
SPI (Stateful Packet Inspection) Firewall, when you enable this fea-
ture, the Router will perform deep packet inspection on all the traffic
going through the Router.
DoS Protection
When enabled, the Router will prevent DoS (Denial of Service) attacks
coming in from the Internet. DOS attacks are making your Router’s
CPU busy such that it cannot provide services to regular traffic. The
default is Enable.
Block WAN
Request
When enabled, the Router will ignore PING Request from the Internet
so it seems to be hidden. The default is Enable.
Remote
Management
When enabled, the Router will allow the Web-based Utility to be
accessed from the Internet. The default is Disable.
The default value of Port field is 8080.
Multicast Pass-
through
When enabled, the Router will allow IP Multicast traffic to come in
from the Internet. The default is Disable.
Block
Select the Web features that you wish to restrict. All those features
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