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Windows 2000 Security (Networking) by Rashi Gupta

By Rashi Gupta

End result of the necessity of fast communique and knowledge move in contemporary company international, a safe computing device community is important. safeguard is not only your company's firewall. A extra targeted technique is required to beat back threats from viruses, hackers, and unauthorized clients. Microsoft home windows 2000 defense is the whole consultant to procedure and community management. It provides the information to maximise some great benefits of the Microsoft home windows 2000 complicated server to maintain your community secure and achieve a aggressive side!

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You should avoid downloading software, applications, and other materials from unknown sources on the Web. To prevent virus infection from such unknown sources, it is preferable to download the material or software on a floppy disk and then scan the floppy disk for viruses before finally transferring the content on the hard disk. To avoid these hassles, it is preferable to buy software and programs from trusted authorized dealers. ◆ Avoid purchasing pirated and illegal software. Pirated and illegal software that is not purchased from reliable sources might also contain viruses.

After authenticating the host ID, it replies to the host by sending a data packet known as Acknowledgement (ACK), along with the received SYN packet. Both these data packets combine to form the SYN-ACK data packet. 3. After receiving the SYN-ACK data packet from the recipient, the first host sends back the third data packet or ACK. The complete process involves only three steps (thus the term three-way handshake). TCP connections can lead to network congestion if someone sends a fake ID in the SYN packet.

23 24 Part I WINDOWS 2000 SECURITY — AN OVERVIEW be responding well to the communication to continue the exchange and gain more information. Denial-of-Service Attacks Denial-of-service (DoS) attacks are quite different from other kinds of network attacks. An intruder might use other network attacks, such as impersonation, Adware, and viruses, to access resources or damage them. On the other hand, DoS attacks are used for making some services or target computers inaccessible. DoS attacks are becoming quite common these days, because they do not require any special software or access to the network.

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