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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Computer techologies
This article will focus on Computer Technologies (hereinafter simply referred to as CT) of the past, present, and future. But for starters, with your permission, I will make a small…

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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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computer comes

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VPN on L2TP technology

L2TP is a tunneling protocol used to create virtual networks. Its main advantage is the ability to create virtual networks not only over IP networks, but also in Frame Relay, X.25 and ATM networks. Despite being similar to the OSI link layer protocol, L2TP is a session layer protocol using UDP port 1701.

The development of the protocol can be traced back to 1997, and in 1999, the RFC2661 standard appeared, describing it. It is believed that L2TP combined the best of both L2F and PPTP.

Scheme of work
To establish a connection, the remote system through the PSTN telephone network initiates a PPP Continue reading

File encryption

Encryption is the most common and essentially the simplest way to protect any information. After all, it seems that it could be simpler to take the text, take some algorithm known to you and your friends and using the algorithm to make gibberish from the text that no one except you and your friends will parse. Simple and pretty angry. To date, the solution remains the most reasonable.

However, many may argue, “then what is the effectiveness and complexity of encryption?” But it is in the selection of the algorithm. At the moment, there are a huge number of encryption systems and ciphers. Continue reading

Overview of modern antiviruses

Of all the threats to the security of user information, viruses stand apart. These small malicious programs, if not handled carefully, can steal or destroy any data. But it turns out to be the easiest to defend against them. The Internet is teeming with dozens of different antivirus programs that offer us a quick and easy solution to the problem. But how good are these programs? How to make a specific choice?

Laboratory Research – Clean Water Cheating
Very often you can find on the Internet studies of various laboratories or some scientists there, which talk Continue reading

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VPN Basic Concepts and Classification
The term VPN (Eng. "Virtual Private Network") refers to a group of technologies that provide a network connection, or the so-called logical network, functioning on top of some other network,…

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Internet telephony for beginners: where is the truth and where is the myth?
Each user of the World Wide Web has repeatedly wondered how to call over the Internet for free or at a very low price. Many honestly looked through dozens or…

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What is a mobile site useful for?
“Take away [the youth] the Internet - you will get a revolution,” - so recently said the popular Polish actor and director Jerzy Stuhr. According to the observations of Jerzy,…

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If you blocked the site at work
So a person is arranged that the productivity of his activity is directly related to how often he rests, how much time he devotes to relaxation. Any office employee during…

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