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Wireless Cable Modem Gateway Family

As cable deployment continues to bring broadband to

the masses, it is now becoming easier to safeguard both

personal data and computing resources. The buildout of

cable access networks is encouraging cable subscribers to

connect multiple computers to share broadband connections.

Cable subscribers can connect multiple PCs using

combinations of wired and wireless Local Area Network

(LAN) technologies, allowing each of these PCs to share

a single broadband connection. Both home users and

companies need to protect against hacker attacks and

remove the risk of unauthorized users gaining entry

into the LAN.

Residential subscribers need the ability to safeguard

their home computing resources and personal information,

and Small Office Home Office (SOHO) users and Small

to Medium Enterprise (SME) users must protect the value

of their business information. Telecommuters and people

working from home after hours need to similarly protect

the integrity of company information.

The United States Federal Government recommends that

Internet users add firewall protection — a system designed

to prevent unauthorized access to or from a private network

and also warns that PCs without firewalls can be accessed

through their Internet connection. Without firewall

protection, users can lose valuable personal or corporate

information and they risk permanent damage to PCs and

peripherals. Multi-PC households, small businesses

and corporate telecommuters can all benefit from

easy-to-use firewalls that allow them to enjoy the

advantages of broadband Internet connections —

while avoiding the risk of intrusion.

Always-on broadband connections present particular

risks that must be addressed. It is critical that each LAN

is protected by a firewall. Without a firewall, anyone

on the Internet could theoretically access computing

resources and private data. Everyone operating a LAN

connected to the Internet should deploy a firewall that

secures the LAN and protects it against outside attack.

All traffic entering or leaving the LAN pass through

the firewall, which examines each traffic flow and

blocks flows that do not meet the specified security

criteria. There are different configurations for firewalls,

and cable subscribers need to ensure that they provide

the appropriate security levels.

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