Enterprise VPN in plain language
Today, many who are interested in computer technology and communications have heard about such a popular technology as VPN. However, most of the articles describe subtle nuances of technology that…

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Local Area Networks and the Internet
When a local area network is connected to the global Internet, one of the PCs, called a server, becomes a kind of conductor and connects to the Internet using a…

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What is a firewall and why is it needed?
We will not go into little things like translating words, occupying them some part of the article. Just point out that a firewall (from the English - fire wall), or…

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immediately forward

Local Area Networks and the Internet

When a local area network is connected to the global Internet, one of the PCs, called a server, becomes a kind of conductor and connects to the Internet using a modem or in some other way, while other computers operate through it, they are also called workstations. Just like any of us has a mailing address where we receive mail letters, each computer is assigned an IP address for functioning in the Internet environment, but usually it has only a computer conductor directly connected to the Internet.

If the computer is connected through a modem, it usually receives a dynamic address from the service provider. It is assigned automatically and is valid for a specific time. While there is also a static address, a permanent address for an unlimited period of use. At least two network devices are usually connected to the gateway computer (server): a modem and a network card, so it actually has two IP addresses, real and internal, which the network card receives on the local network. Continue reading

Internet fraud
A proverb says: "Forewarned - means armed." Not listening to her is stupid. Nowadays, the Internet is playing an increasingly important role in people's lives, and is of undoubted benefit.…

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PPTP VPN
This protocol allows you to implement a secure point-to-point connection by creating a tunnel in an insecure network. The work of PPTP is to implement PPP frames in IP packets…

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Security in Firefox Browser
When working on the Internet, the highest priority should be to ensure the safety of users. Indeed, in the "global web" there is a huge number of fraudulent sites and…

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Phone chats, a magazine with life hacks and more
The Internet has become so firmly entrenched in our lives that even those who started using it at a conscious age do not remember very firmly what we replaced this…

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