Natale (2001, p.208) reported about the survey implemented to check effectiveness of several security software applications: ZoneAlarm Pro 2.1 – version 2.1.25, Norton Internet Security 2000 – version 1.0.147.0, LockDown 2000 – version 7.0.0.3, BlackIce Defender – version 2.1.cn. However, it is also noted that critique concerning the lack of security is valid, since the protocol was designed in times when the issues of security were insignificant. This protocol transmits data in most precise way, i.e.
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One layer is “responsible for communicating with the actual network hardware”, the second layer is “responsible for determining how to get data to its destination”, the next layer is responsible for providing “data flows to the application layer”, and the fourth layer is the one where “users typically interact with the network” (Natale, 2001, p.205). It is pointed out that the protocol is divided into four layers fulfilling certain tasks. The article opens up with detailed description of TCP/IP protocol. The article reveals useful information concerning effective security software applications which can be used in workplace and for private communication.
Admittedly, Internet environment in the end of the twentieth century was “more benign” than at present (Natale, 2001, p.206).
The security issues have become of primary concern of numerous companies and organizations. The article by Natale (2001) dwells upon TCP/IP protocol and information security.
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