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Upgrading and Repairing Networks, Fifth Edition by Mark Edward Soper, Terry W Ogletree

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CHAPTER 44. Security Issues for Wide Area Networks

SOME OF THE MAIN TOPICS IN THIS CHAPTER ARE

You’ve Been Targeted! 853

Computer Viruses, Trojan Horses, and Other Destructive Programs 854

Your Network Under Fire—Common Attacks 857

Network Probes 864

Spoofing and Impersonation 864

If It’s Too Good to Be True, It Isn’t 865

Preventative Measures 865

Staying on Top of Security Issues 869

When all you have to worry about are the computers attached to your local LAN and users you know personally, it’s easy to implement security policies and keep the network virtually safe from things such as viruses or other malicious programs. A properly trained user base, along with security guidelines that allow only outside programs approved for use on the network, ...

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