Motorola Netopia 2200 Series User Manual page 254

Motorola netopia 2200-, 3300- or 7000-series gateway user guide
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TIPS for making your BreakWater Basic Firewall Selection
Application
Typical Internet usage
(browsing, e-mail)
Multi-player online
gaming
Going on vacation
Finished online use for
the day
Chatting online or using
instant messaging
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 port 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 port or series of ports (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.
254
Select this Level
SilentRunning
ClearSailing
LANdLocked
LANdLocked
ClearSailing
ICMP
HTTP
SNMP
telnet
Other Considerations
Set Pinholes; once defined, pinholes will be
active whenever ClearSailing is set.
Restore SilentRunning when finished.
Protects your connection while your away.
This protects you instead of disconnecting your
Gateway connection.
Set Pinholes; once defined, pinholes will be
active whenever ClearSailing is set.
Restore SilentRunning when finished.
FTP
DHCP

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This manual is also suitable for:

Netopia 3300 seriesNetopia 7000 series2200

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