7 applications for creating a logo: an overview of services for "dummies" and novice designers
Usually, when a business idea is formed and a product or service that a company will offer on the market is already known, one thing is missing - good branding.…

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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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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

Vertical text direction in web design - good use cases
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Improving the registration form on the site
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The allowable marginal cost of the targeted action of the visitor on the site.
Website performance is measured not by the site’s position in the TOP, and not by the number of visitors, although most often site owners track and pay for these metrics.…

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