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Sams Teach Yourself TCP/IP in 24 Hours, Fifth Edition by Joe Casad

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Hour 11. TCP/IP Security

What You’ll Learn in This Hour:

Firewalls and proxy service

Network intrusion techniques

Network security best practices

Encryption

Digital signatures

VPNs

Kerberos

Today’s users are well aware of the dangers lurking on the Internet. You don’t really know who might be out there trying to steal information or get access to your system. Some intruders are in it for the money; others are just on a joyride. In either case, you need to be wary and take precautions to ensure that your network is secure.

In this hour, you learn about some tools and technologies for protecting TCP/IP networks, and you explore some techniques the intruders use to slip past Internet defenses. The first section begins with a look ...

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