Why does a company use an intranet?

Reasons for using an intranet: 1. Resource sharing, which can provide convenient sharing of software and hardware resources, especially in the direction of hardware resources. Office automation equipment such as printers and scanners are fully utilized. 2. Facilitate teamwork. Most modern LANs provide a platform that allows multiple users to work on the same file and always use the latest version. 3. It is easy to find information, and the intranet can be used as a place to place all trusted information. 4. Reduce management costs. With the help of the intranet, online forms can be easily provided, streamlining the work process from the beginning, and greatly improving work efficiency.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The so-called intranet is an internally established local area network or office network. For example: a company or a family has multiple computers. They use different network layouts to connect one or more computers or other devices to form a distributed office or resource sharing network. We call it an internal network. , also called intranet.

The so-called external network is connected to other network systems through a gateway or bridge. Compared with your own internal network, the other connected network systems are called external networks, also called external networks. For example: When all computer networks in a company or a home want to connect to networks outside the company or home (such as connecting to the Internet), relative to the company or home, other networks (or the Internet) are called external networks!

The reasons why the company establishes an intranet (local area network)

1) To achieve resource sharing.

Provides convenient sharing of software and hardware resources, especially in the direction of hardware resources. Office automation equipment such as printers and scanners are fully utilized.

2) Facilitate teamwork.

Carrying out a project in the office usually requires everyone’s cooperation. Without a local area network, office efficiency will be greatly reduced.

Most modern LANs provide a platform that allows multiple users to work on the same file and always use the latest version.

Even better, the LAN provides a discussion space so everyone can see comments and agree on what needs to be done.

3) Easy to find information.

The local area network serves as a location for all trusted information. This ensures that there is only one copy and that everyone has access to the latest policies, procedures and product information. This not only saves time, but is critical for compliance (ensuring compliance with current processes).

4) Reduce risk.

Completing work is the goal of employees. If they use a useful tool in their lives, they probably use it at work as well. But consumer-grade tools for sharing files or group discussions present security risks. What if an employee leaves the company to work for a competitor but still has access to these files? You can simply block these services, but it's better to make the LAN available to employees as a properly managed solution.

5) Reduce management costs.

How much time is wasted due to inefficient management? Call repeatedly to make sure the request is completed? Send an email requesting updates to HR records? With a LAN, online forms can be easily delivered to streamline workflow from the start.

Office networking facilitates internal management and coordination and cooperation within the unit, such as using win7 as the server for hierarchical management, holding network conferences, etc., which greatly improves work efficiency.

Principles of office network engineering construction

(1) Practicality: Network construction starts from the actual needs of the application, insists on serving the leadership decision-making, and Operation and management services, serving production and construction.

(2) Advancement: Use mature advanced technology and take into account future development trends, that is, act within our capabilities, but also be appropriately ahead of the curve, leaving room for development.

(3) Reliability: To ensure reliable operation of the network, it should be fault-tolerant in key parts of the network.

(4) Security: Provide a comprehensive security management system for public network connections, communication links, servers, etc.

(5) Openness: Adopt international standard communication protocols, standard operating systems, standard network management software, and adopt standard-compliant equipment to ensure that the entire system has open features and enhance interconnection with different types of machines and heterogeneous networks ability.

(6) Scalability: The system is easy to expand, ensuring the effectiveness of early investment and the continuity of later investment.

(7) Manageability: The manageability and maintainability of the entire system must be taken into consideration from system design and equipment selection. Dynamic network configuration, network operation monitoring, and optimization can be realized through intelligent network management software. network.

Common security issues in office networks

(1) Spread and infection of network viruses

With the advancement and popularization of computers and networks, computer viruses continue to appear. The total number has exceeded 20,000 types, and is increasing at a rate of 300 types per month. Their destructiveness is also increasing, and network viruses are even more destructive. powerful. Once the hard disk of the file server is infected by a virus, it may cause system damage and data loss, making the network server unable to start, applications and data unable to be used correctly, and even paralyzing the entire network, causing immeasurable losses. Internet viruses generally have a strong regeneration mechanism and can spread and infect through the Internet. Once a utility program is infected, the virus will quickly spread throughout the network and infect other programs. The losses caused by network paralysis caused by network viruses are difficult to estimate. Once a network server is infected, the time required to detoxify it will be dozens of times longer than that of a single machine.

(2) Intrusion of hacker network technology

Office automation networks basically use Ethernet based on broadcast technology. In the same Ethernet, the communication data packets between any two nodes can not only be received by the network cards of the two nodes, but also intercepted by the network card of any node on the same Ethernet. In addition, for the convenience of work, the office automation network is equipped with entrances and exits that are interconnected with the

external network and the Internet. Therefore, hackers in the external network and the Internet only need to invade any node in the office automation network to carry out operations. By listening, you can capture all the data packets that occur on this Ethernet, unpack and analyze them, and steal key information; while hackers in this network may easily intercept any data packets, thereby causing the theft of information. .

(3) System data damage

In the office automation network system, there are many factors that may cause data damage. The first is hacker intrusion. Hackers intrude into the network for various reasons. Among them, malicious intrusion may cause many kinds of harm to the network. One of the hazards is data destruction, which may destroy server hard disk boot area data, delete or overwrite the original database, destroy application data, etc. The second is virus damage. Viruses may attack the system data area, including the hard disk master boot sector, Boot sector, FAT table, file directory, etc. Viruses may also attack the file data area, causing the file data to be deleted, renamed, replaced, or partially lost. Program code, lost data files; viruses may also attack CMOS and destroy data in the system CMOS. The third is disaster damage, which results in data damage due to natural disasters, sudden power outages, strong vibrations, misoperation, etc. The destruction and loss of important data will cause business difficulties and huge waste of manpower, material and financial resources.

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