Security technologies for the world wide web oppliger rolf. Security Technologies for the World Wide Web 2019-02-03

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Rolf Oppliger: Security Technologies for the World Wide Web, Second Edition (PDF)

security technologies for the world wide web oppliger rolf

In the case of Microsoft Exchange, for example, Outlook Web Access may provide this kind of functionality. You learn how to ensure that electronic commerce functions and financial transactions on your website are executed with the utmost security and protection, and learn about content protection and the benefits and drawbacks of censorship on the web. On the other side, B does the following things to verify the signature: 1. Optionally, the set of users may be structured in some way e. Droms, Computer Networks and Internets, 2nd ed. The resulting string can be constructed as follows: 011100 100110 111101 101100 011001 100011 28 38 61 44 25 35 1C 26 3D 2C 19 23 c m 9 s Z j 2. Due to the nature of this book, it is necessary to mention company, product, and service names.

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Security Technologies for the World Wide Web, Second Edition (Artech House Computer Security Series) eBook: Rolf Oppliger: naber.io: Kindle Store

security technologies for the world wide web oppliger rolf

As a single point of access, the intermediate system can record what occurs between the private network and the outside world. In fact, the security of restricting access based on address information is comparable to the security of packet filtering as discussed in the next chapter. Therefore, the user simply enters www. It demonstrates how to ensure that electronic commerce functions and financial transactions on your Website are executed with the utmost security and protection, and covers content protection and the benefits and drawbacks of censorship on the Web. As of this writing, it is difficult to tell whether Microsoft Internet Explorer will increase its market share or loose it to a competitor, such as Opera.

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Rolf Oppliger: Security Technologies for the World Wide Web, Second Edition (PDF)

security technologies for the world wide web oppliger rolf

Finally, restricting access to a particular group of users based on their identity information and corresponding credentials is the most effective way of controlling access to resources. Circuit-level gateways are particularly useful for applications for which application-level gateways i. Note that these properties are design goals. Manually configure the use of one or several proxy server s. Due to the salt mechanism, the password encryption function is nondeterministic, meaning that two users who have randomly chosen the same password may end up having encrypted passwords that look completely different.

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Security Technologies for the World Wide Web [electronic resource]

security technologies for the world wide web oppliger rolf

Nevertheless, the firewall technology has remained an emotional topic within the Internet community. The security implications of this are that if this file is compromised, an attacker gains immediate access to documents on the server using this realm. This part could be expanded to limit access to specific users or groups or specific access methods e. We are not going to delve into the mathematical details. In fact, there are many tools that support this kind of tunneling and make it transparent to the user. If, however, a firewall is not transparent and uses application gateways i. I: Principles, Protocols, and Architecture, 4th ed.

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Security Technologies for the World Wide Web

security technologies for the world wide web oppliger rolf

Mainly because of their efficiency, cryptographic hash functions are of central importance for cryptographic algorithms and protocols. In order to further simplify the discussion and to reduce the variety of layers that can provide communication security services , one usually distinguishes between lower layers i. Typically, a standardized protocol is used to retrieve the reference information from a centralized security server. Consequently, we are not going to delve into the details of quantum cryptography in this book. Consequently, the act of doing a Diffie-Hellman key exchange is not negotiable, but the parameters to use are.

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Security Technologies for the World Wide Web, Second Edition

security technologies for the world wide web oppliger rolf

In summary, the screened subnet firewall configuration is flexible and provides a reasonable level of security. From a security point of view, this is the optimal behavior. Note that during its initial distribution, K must be secured in terms of confidentiality, integrity, and authenticity. Consequently, one is satisfied with computational security, given some reasonable assumptions about the computational power of a potential adversary. A firewall seeks to prevent unwanted2 and unauthorized communications into or out of a corporate intranet, and to allow an organization to enforce a policy on traffic flowing between the intranet and the Internet.

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Security technologies for the World Wide Web

security technologies for the world wide web oppliger rolf

Once a Web service has been implemented, it must be published somewehere that allows interested parties to find it. Because of its symmetry, secret key cryptography is often referred to as symmetric cryptography. Markoff, Takedown, New York: Hyperion, 1996. For example, early in 1994, thousands of passwords were captured by sniffer programs that had been remotely installed on compromised hosts on various university networks connected to the Internet. They may not even be interested in architectural details and design considerations for cryptographic technologies and protocols that are widely deployed. This is further aggravated by the tremendous growth and speed of the Internet as a whole. Erwin, Virtual Private Networks, 2nd ed.

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Security Technologies for the World Wide Web by Rolf Oppliger

security technologies for the world wide web oppliger rolf

After that, he covers certificate management, executable content and scripting languages, mobile code and copyrights. Either the links are physically secure or they are secured through other means, such as cryptographic algorithms and protocols. The company first created a new browser called Mozilla. Some legal issues are briefly mentioned next. Recent research and development activities also focus on the use of alternative hardware devices, such as cellular phones, personal digital assistants e. But it no longer works for wide area networks in general and the Internet in particular. If the user obeys and properly enters his or her username and password i.

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Security Technologies for the World Wide Web, Second Edition

security technologies for the world wide web oppliger rolf

The participating countries of the Wassenaar Arrangement are Argentina, Australia, Austria, Belgium, Bulgaria, Canada, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Japan, Luxembourg, The Netherlands, New Zealand, Norway, Poland, Portugal, The Republic of Korea, Romania, Russian Federation, Slovak Republic, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom, and the United States. Again, it is a policy decision if a data stream is allowed to pass through. Randomness is a statistical property of a sequence of values. Due to the dualhomed nature of the bastion host, this is not possible in the dual-homed firewall configuration. Also, I want to thank all buyers of the first edition; they have made it possible for me to update the book and to develop a second edition.

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