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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Practical Internet Marketing
When it comes to Internet marketing, many people have a mess in their heads from completely scattered concepts. Someone trying to talk about Internet marketing is actually talking about search…

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Personal Data Security
What is personal information and why does the state develop entire laws designed to protect such data? Imagine that you are making an order online. In the process of forming…

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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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Children and social networks: how not to fall into the trap
What parents should do to protect their child in the virtual world No matter how parents try to limit the use of gadgets, universal informatization cannot be stopped: computers, tablets,…

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In 15 years there will be no Internet sites?
Will the Internet retain its position in 15 years? What will be its functions? How will sites change? To answer this question, let's first look at a very recent past…

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Destination of proxies and NAT
A proxy server is designed to mediate between a workstation and a worldwide network. The proxy computer passes user requests through itself and then returns the results received from Inetrnet.…

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Marketing and promotion of medical services
Today I want to tell you about our personal experience in promoting medical services, and specifically with one of the drug treatment clinics in St. Petersburg. To begin with, about…

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