what is a vpn

what is a vpn ?

there are all different types of vpn's

for instance there is

OpenVPN is an open-source commercial software that implements virtual private network techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange.

another one is

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Tor is free and open-source software for enabling anonymous communication. The name is derived from an acronym for the original software project name "The Onion Router" it's also how hacker's access the darknet

click here to learn more about tor

another one is

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Private Internet Access is a personal virtual private network service. It supports multiple VPN technologies such as PPTP, L2TP/IPsec, SOCKS5 and OpenVPN. In 2018, former Mt. Gox CEO Mark Karpelès was named chief technology officer of PIA's parent company, London Trust Media.

another one is

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TunnelBear is a public virtual private network service based in Toronto, Canada. The company was founded by Daniel Kaldor and Ryan Dochuk in 2011. In March 2018, TunnelBear was acquired by McAfee

another one is

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Hola is a freemium web and mobile application which provides a form of virtual private network services to its users through a peer-to-peer network. It also uses peer-to-peer caching.