Zoom X6 Router Manual PDF (Setup & Configuration Guide)

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4

Click the

Policy Rules

link of the

Policy Type

that you want.

The

Firewall Add Filter Rules

page opens. Click the

Add

Policy Rule

link.

5

After you click the link, the

Firewall Add Policy Rule

page

opens:

Chapter 5: Using Advanced Setup

61

Page 62 / 119

ADSL X6 User Guide

62

You use the settings on the

Firewall Add Policy Rule

page to

configure your firewall security. In setting your criteria or rules, it is

important to know whether you want to block traffic or allow

traffic into your network. This is controlled by the

Traffic

Inbound

and

Traffic Outbound

settings where you choose

Allow

or

Block

. After you determine what you want to do, you then fill

in the other settings to specify what it is that you want to block or

allow.

Suppose you enter

Allow

in the

Traffic

Inbound

and

Outbound

settings and

Any

in the

Src Address

setting. This sets the firewall

to allow any traffic into your network. Conversely, suppose you

choose

Block

for

Traffic Inbound

, choose

Assign

for

Src

Address

and specify

a range of IP addresses

. This sets the

firewall to block all traffic that has the IP addresses you specified.

The table that follows shows you the criteria that you can enter:

Setting

Description

Src Address

Source Address lets you specify

Any

for all

IP addresses or a specific range of IP

addresses from a particular source to be

blocked or allowed.

Des Address

Destination Address

lets you specify

Any

for all IP addresses or a specific range of

IP addresses of a destination to be blocked

or allowed.

Protocol

Protocol lets you specify a protocol to be

blocked or allowed.

eq

is equals and

neq

is

not equal. For example,

eq TCP

will allow

only TCP.

neq TCP

will allow everything

including TCP.

Source Port

Lets you block or allow traffic from a

particular port.

Destination Port

Lets you block or allow traffic going to a

destination port.

Traffic Inbound

Lets you block or allow inbound traffic

based on the rules you set up in the policy.

Traffic Outbound

Lets you block or allow outbound traffic

based on the rules you set up in the policy.

6

Click

Save Changes

then

Write Settings to Flash

.

Page 63 / 119

7

Go back to the

Firewall Configuration

page and select

Enable

. Then click

Write Settings to Flash

.

Chapter 5: Using Advanced Setup

63

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Setting Security Logging

What is security logging?

Security logging is a list of events (computer activity and user

activity) that alerts you to potential security issues. Based on the

Level

selected, you can record all or some of these events. It also

lets you examine the effectiveness of your blocking and intrusion

detection. You can set the level of importance of the logged event

and receive alerts if particular IP addresses are trying to gain access

to your network.

To set security logging on, follow these steps:

1

Click

Firewall

on the

Advanced Setup

page. Then, click the

link to

Configure Security Logging

. The

Security Logging

page opens:

2

Enable the

Logging Types

that you want and set the

Level

.

You can also print (

Output to

) the information to your

console or to a file (

Event Log

).

ADSL X6 User Guide

64

Page 65 / 119

Configuring Intrusion Detection

What is intrusion detection?

Intrusion detection protects your network from hackers who use

the Internet to damage your network. Your modem’s default

Intrusion Detection

setting should work fine for most hacker

attacks, but there is additional functionality that you can set up.

Your modem offers protection from various Denial of Service

(DOS) attacks; prevents users from scanning your ports to try to

access your computer; and can blacklist any host trying to damage

your network.

Follow these steps to enable additional intrusion detection:

From the

Advanced Setup

page, click

Firewall

. Then click the

link to

Configure Intrusion Detection

. The

Configuration

page

opens:

Chapter 5: Using Advanced Setup

65

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