Actiontec MI424-WR-Rev-C Router Manual PDF (Setup & Configuration Guide)

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FiOS Router User Manual

02/11/09

91

Routing

Select

Advanced

or

Basic

from the “Routing” drop-down list. If Advanced is

selected, additional options appear, as listed below.

Routing Mode

Select one of the following three Routing modes:

Route

s

- This option causes the FiOS Router to act as a router between

two networks.

NAT

s

- This option activates Network Address Translation (NAT), which

translates IP addresses to a valid, public address on the Internet. NAT adds

security, since the IP addresses of the devices on the network are not

transmitted publicly. In addition, NAT allows many addresses to exist behind

a single valid address. Use the NAT routing mode only if the local network

consists of a single device, or collisions may occur if more than one device

attempts to communicate using the same port.

NAPT

s

-This option activates NAPT (Network Address and Port Translation),

which refers to network address translation involving the mapping of port

numbers and allows multiple machines to share a single IP address. Use NAPT

if the local network contains multiple devices, a topology that necessitates

port translation in addition to address translation.

Device Metric

The device metric is a value used by the FiOS Router to

determine whether one route is superior to another, considering parameters

such as bandwidth, delay, and more.

Default Route

Click in this check box to make the connection the default route.

Multicast - IGMP Proxy Default

Click in this check box to enable the FiOS

Router to issue IGMP (Internet Group Management Protocol) host messages

on behalf of hosts the FiOS Router discovers through standard IGMP interfaces.

IGMP proxy enables the routing of multicast packets according to the IGMP

requests of local network devices asking to join multicast groups.

Routing Table

Clicking

New Route

generates the “New Route” screen, where a new route can

be configured.

Internet Connection Firewall

Click in the “Enabled” check box to activate the FiOS Router’s firewall on the WAN

PPPoE connection.

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92

6

Conﬁguring

Security

Settings

6.0

Introduction

6.1

Overview

6.2

Firewall

6.3

Access Control

6.4

Port Forwarding

6.5

DMZ Host

6.6

Port Triggering

6.7

Remote Administration

6.8

Static NAT

6.9

Advanced Filtering

6.10

Security Log

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93

The FiOS Router’s security suite includes

comprehensive and robust security

services: Stateful Packet Inspection,

ﬁrewall, user authentication protocols,

and password protection mechanisms.

These features allow users to connect their

computers to the Internet and without

worrying about security threats.

Page 94 / 198

Conﬁguring Security Settings

6.1

Overview

6

94

6.1

Overview

This chapter covers the following security features:

Firewall

s

- select the security level for the firewall.

Access

s

Control

- restrict access from the local network to the Internet.

Port

s

Forwarding

- enable access from the Internet to specified services

provided by computers on the local network.

DMZ

s

Host

- configure a network host to receive all traffic arriving at the FiOS

Router which does not belong to a known session.

Port

s

Triggering

- define port triggering entries to dynamically open the

firewall for some protocols or ports.

Remote

s

Administration

- enable remote configuration of the FiOS Router

from any Internet-accessible computer.

Static

s

NAT

- allow multiple static NAT IP addresses to be designated to

devices on the network.

Advanced

s

Filtering

- control the firewall’s settings and rules.

Security

s

Log

- view and configure the security log.

Page 95 / 198

FiOS Router User Manual

02/11/09

95

6.2

Firewall

The FiOS Router’s firewall is the cornerstone of the FiOS Router’s security suite.

It has been exclusively tailored to the needs of the residential/office user and is

pre-configured to provide optimum security.

The firewall provides both the security and flexibility home and office users seek. It

provides a managed, professional level of network security while enabling the safe

use of interactive applications, such as Internet gaming and video-conferencing.

Additional features, including surfing restrictions and access control, can also be

configured locally through the FiOS Router’s GUI, or remotely by a service provider.

The firewall also supports advanced filtering, designed to allow comprehensive

control over the firewall’s behavior. Specific input and output rules can be

defined, the order of logically similar sets of rules can be controlled, and

distinctions between rules that apply to Internet and local network devices can

be made.

The firewall regulates the flow of data between the local network and the

Internet. Both incoming and outgoing data are inspected and then either

accepted (allowed to pass through the FiOS Router) or rejected (barred from

passing through the FiOS Router) according to a flexible and configurable set of

rules. These rules are designed to prevent unwanted intrusions from the outside,

while allowing local network users access to required Internet services.

The firewall rules specify what types of services available on the Internet can

be accessed from the local network and what types of services available in the

local network can be accessed from the Internet. Each request for a service

the firewall receives, whether originating in the Internet or from a computer in

the local network, is checked against the firewall rules to determine whether

the request should be allowed to pass through the firewall. If the request is

permitted to pass, all subsequent data associated with this request (a “session”)

will also be allowed to pass, regardless of its direction.

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