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SSL VPN by Joseph Steinberg, Tim Speed

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Introducing Hacker Bob

Network architecture is discussed in detail in Appendix A. It is important for you to understand network architecture, since hackers understand it! Hacking into computers can include TCP port scanning, fake emails, trojans, and IP address spoofing. The essence of TCP port surfing is to pick out a target computer and explore it to see what ports are open and what a hacker can do with them. If you understand ports then you can understand what hackers can do to you and your systems. With this knowledge you can understand how to effectively keep your computers and networks secure.

Next is our introduction to Hacker Bob.

Introducing Hacker Bob

The above ...

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