IP address in plain language
Currently, more and more computer owners in the world are becoming users of local networks or the World Wide Web. At the same time, each PC is assigned its own…

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IP address in plain language
Currently, more and more computer owners in the world are becoming users of local networks or the World Wide Web. At the same time, each PC is assigned its own…

Continue reading →

All the information about you is ... on the Internet
The fact that computers have long and reliably entered the lives of almost every person no longer surprises anyone. This “iron” makes us capable of many things: it allows us…

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pptpclient can act as either

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 for transferring them to any IP network, including the Internet. In addition, this technology can be used to create a tunnel between local networks.

A TCP connection is used to service the created PPTP tunnel.

Brief specification
The protocol specification was published in 1999 in RFC2637, but the IETF community has not ratified it.
Less secure than IPSec, PPTP establishes a PPP session using the GRE protocol. The 1723 TCP port is used to control and initiate the GRE connection. Redirecting PPTP to the firewall is difficult because the protocol requires two sessions to be established simultaneously. Continue reading

Present day viruses
There are a huge number of computer viruses in the world. To establish their exact number (along with all modifications and upgrades) no one is taken. Instead, it is customary…

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Top Web Design Articles, Downloads, and Inspiration
We continue the annual tradition and publish the most interesting notes for the "last season". Earlier in Design Mania, you could already see a similar article for 2017 and a…

...

Top Web Design Articles, Downloads, and Inspiration
We continue the annual tradition and publish the most interesting notes for the "last season". Earlier in Design Mania, you could already see a similar article for 2017 and a…

...