Vigor3300 Series User’s Guide
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The firewall controls the allowance and denial of packets through the router.
The
Firewall Setup
in the Vigor 3300 Series mainly consists of packet filtering, Denial of Service
(DoS) and URL (Universal Resource Locator) content filtering facilities. These firewall filters
help to protect your local network against attack from outsiders. A firewall also provides a
way of restricting users on the local network from accessing inappropriate Internet content and
can filter out specific packets, which may trigger unexpected outgoing connection such as a
Trojan.
The following sections will explain how to configure the
Firewall
. Users can select
General
Setup
,
IP Filter
,
DoS
and
URL Filter
options from Firewall menu. The
DoS
facility can
detect and mitigate the DoS attacks. The
URL Filter
can block inappropriate websites for
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First, you should create at least one Group in the
IP Filter
>>
Group Table
. Then you can
enable the
Data Filter
and select a
Start Filter Group
in
General Setup.
The following
sections explain
IP Filter
functions with details.
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The page allows you to set general settings such as enabling the data filter function and
choosing proper filter group.
Data Filter
Disable
or
Enable
the firewall function. This firewall can only
be enabled if at least one filter group exists. The default is
Disable
.
Start Filter Group
Default group names provided here are Pass and Block.
Select
the first filter group to begin filtering mechanism. The group in
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