Virtual private networks claim to solve most of the security problems facing businesses. Most of the problems are related to the secure transmission of data over the public Internet. The biggest advantage of the internet is its ubiquity and openness, but this is also its biggest drawback. A VPN seems like the solution to that weakness.
Many technologies have emerged and should become VPN technologies: MPLS VPN, SSL VPN, and many more. Some of the basic questions are how to define a VPN. Why do we need a VPN and what technology do we use to provide the VPN? Free VPN is less secured and slow (written as 무료 VPN은 덜 안전하고 느립니다. in the Korean language), so we recommend that users who need a VPN program for a long time sign up for a paid VPN.
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The new technology has reduced the risk of data transmission over the Internet. VPN, as it is called, follows encryption and tunneling for secure data transmission between the two ends. This expands the relationship of trust in more affordable social networks. Security and predictable functionality are part of this technology.
Its use is
- Remote users and remote workers connected securely to their company servers.
- Connecting offices within the corporate network.
- Organizations that are enhancing their e-commerce solutions by adding partners, suppliers, and customers to the infrastructure.
Individual technology can be used to ensure confidentiality and authentication integrity. There are three VPN security protocols that are widely used.
- IPSec protocol
- Tunnel protocol (PPTP: point-to-point tunnel protocol, L2TP: layer 2 tunnel protocol)