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Page 91 / 198 Scroll up to view Page 86 - 90
FiOS Router User Manual
02/11/09
91
© 2008 Verizon. All Rights Reserved.
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.
Page 92 / 198
92
© 2008 Verizon. All Rights Reserved.
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
Page 93 / 198
93
© 2008 Verizon. All Rights Reserved.
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
© 2008 Verizon. All Rights Reserved.
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
© 2008 Verizon. All Rights Reserved.
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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