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Motorola 3347 User Manual

Page 254

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254

TIPS for making your BreakWater Basic Firewall Selection

Basic Firewall Background

As a device on the Internet, a Motorola Netopia® Gateway requires an IP address in order
to send or receive traffic.

The IP traffic sent or received have an associated application por t which is dependent on
the nature of the connection request. In the IP protocol standard the following session
types are common applications:

By receiving a response to a scan from a por t or series of por ts (which is the expected
behavior according to the IP standard), hackers can identify an existing device and gain a
potential opening for access to an internet-connected device.

To protect LAN users and their network from these types of attacks, BreakWater offers
three levels of increasing protection.

The following tables indicate the

state of ports associated with session types, both on

the WAN side and the LAN side of the Gateway.

Application

Select this Level

Other Considerations

Typical Internet usage
(browsing, e-mail)

SilentRunning

Multi-player online
gaming

ClearSailing

Set Pinholes; once defined, pinholes will be
active whenever ClearSailing is set.
Restore SilentRunning when finished.

Going on vacation

LANdLocked

Protects your connection while your away.

Finished online use for
the day

LANdLocked

This protects you instead of disconnecting your
Gateway connection.

Chatting online or using
instant messaging

ClearSailing

Set Pinholes; once defined, pinholes will be
active whenever ClearSailing is set.
Restore SilentRunning when finished.

ICMP

HTTP

FTP

SNMP

telnet

DHCP