5 examples of designer pain: the most common phrases coming from customers and clients
No matter how many years have passed, and TK for the designer always remains a topic of discussion. Yes, what! Everything can be perfectly painted: what kind of pictures, fonts,…

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The ideal form of authorization - how to do it is not necessary
Recently, we posted a number of useful tips on creating effective registration forms on the site, and today we want to talk about the authorization / login block. Recently, a…

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How to make a color palette for a site and not only
In Design Mania, there have already been several publications with similar topics: in a note about color matching services for websites, in addition to inspiration resources, we examined a couple…

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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

Child Safety Online
Many users, even the most experienced, sometimes do not suspect that having protected themselves, they forget about their own children. They forget, especially when creating different accounts in the OS…

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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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Internet Marketing Cost Effectiveness
What are the main steps in the online sale process? Advertising tools attract potential customers to the site. Tools can be different: seo, contextual advertising, display advertising, advertising on social…

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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…

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