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…

Continue reading →

Modernization of old PCs
I note right away that the article has been for several years and it was left on the site for a change. It is clear that now on the market…

Continue reading →

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…

Continue reading →

personal interests

Why you should never use a free VPN

Today virtual networks are very popular for solving personal security issues on the Internet – VPN. More and more people use them to circumvent network censorship in countries where there are severe restrictions, for example, in China. They try to buy a VPN program for their own safety. Thus, you can avoid viruses and have a great guard to protect your bank account by going to the Internet through public wi-fi. Trusting your own computer with high-quality services with reliable VPN servers, you use technologies that connect Why you should never use a free VPNtogether and use complex encryption for your data.

The danger of a free VPN
The market for these products is booming and today you can find more than 300 VPNs. Choosing among the servers on the market, I want to get the best. An attentive user will definitely notice that in addition to Continue reading

Destination of proxies and NAT
A proxy server is the link between users and the Internet. Proxy server - a server that is constantly on the Web, transmitting all requests from the user computer to…

...

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…

...

IP address in detail
From Wikipedia, the free encyclopedia IP-address (IP address, short for English. Internet Protocol Address) - a unique identifier (address) for a device (usually a computer) connected to a local network…

...

Destination of proxies and NAT
A proxy server is the link between users and the Internet. Proxy server - a server that is constantly on the Web, transmitting all requests from the user computer to…

...