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Network security?

Source: Shangpin China | Type: website encyclopedia | Time: June 20, 2014
Since the 1990s. The computer network technology has been processed and spread by the development of the second information. The central government has broken the restrictions of time and land. Networking and globalization have become an irresistible boundary. The Internet has entered every city and link of social life. With the integration and globalization of computers, many activities in people's daily life have been transferred to Network production However, security is a thin link in computer network, especially Internet technology.
network security

If A and B want to use the network for communication, we hope that the network and its communication process are safe. Here, Man and B can be the route of two secure exchange routing tables, or a host computer and server that want to establish a secure transmission and connection, or an application that exchanges secure electronic devices. Therefore, A and B can be regarded as two network communication entities, namely application processes. A and B want to communicate with each other on the network and hope to achieve "Security II. What is the security and flavor powder here? Obviously, the soup of this, security and safety is rich and colorful, covering many aspects. For example, A and B hope that the data stored in the client server will not be damaged, modified and consumed; The communication content between them is confidential to the listener, and when communicating, they are really naming the other party of the guest entity, and they also hope that the content they transmit can not understand the meaning of the message even if it is stolen by the listener; Also ensure that their communication content has not been changed during transmission and over lease; Even if the information has been changed, it should be able to check that the information has been changed or destroyed. To sum up, we can give network security Network security means that in a distributed network environment, it provides security protection for information spare parts (processing, storing, and transferring) and information processing, transferring, storing, and accessing, so as to prevent the damage, change, and leakage of network service interruption or denial of service from non search right use and name change.

The Li Na of the cyber security infield will vary with the changes of Fan and Role One, and continue to expand and enrich,. For example, from the perspective of users (individuals, enterprises, Asia, etc.), they hope that the information of Sha and individuals about the interests of business Asia will be protected by confidentiality, integrity and objectivity when they upload it on the network, so as to avoid others from offending the interests of users by means of hard listening, charging, crowding out, and offsetting.

From the perspective of network operation and management, they hope that their access to local network information, such as writing operations, will be protected and controlled, so as to avoid such threats as trap, disease, illegal access, denial of service, illegal occupation and illegal control of network resources, and to stop and defend attacks by network hackers

For security and confidentiality departments, they hope to prevent and block illegal, existing or confidential information of sand and home readers. While avoiding opportunities, they should pick up the "silt" while avoiding danger to the society and causing huge losses to the country. From the perspective of social education and two cognitive forms, unhealthy content on the Internet will limit the social stability of the society and human development. It must be controlled.

It can be seen that the introversion of network security is related to the protected Xinsheng object, but in essence, it is to allow long-term users to access when the tray is safely uploaded or stored. No unauthorized users are allowed to access. Therefore, the research of network security and information security is interactive and interrelated.

The content of network security diagnosis includes not only security theory, security application technology and security, current problems, but also social, educational, legal and other elements, which complement each other. In terms of technology, it is mainly used to prevent illegal users from attacking, while in terms of management, it is appropriate to prevent glue damage caused by human factors. How to more effectively protect the effective information a that should be played and improve the security awareness of the network system has become one of the important factors that must be considered and resolved for network security.
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Disclaimer

Thank you very much for visiting our website. Please read all the terms of this statement carefully before you use this website.

1. Part of the content of this site comes from the network, and the copyright of some articles and pictures involved belongs to the original author. The reprint of this site is for everyone to learn and exchange, and should not be used for any commercial activities.

2. This website does not assume any form of loss or injury caused by users to themselves and others due to the use of these resources.

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