VPN and Https in co,mputing and everythiong PDF

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VPN and HTTPS What is a VPN, and it’s uses? VPN – A VPN is a virtual private network which allows users to send and receive data across shared or public networks across the world. The way this works is by extending a private network across a public. The practical uses of VPN’s are to change your IP address to another IP address across the world allowing you to mask where packets of data are being sent and received from, this can be used for safety and privacy. If you were to go on the deep web it would be essential to use a VPN for safety, so no hackers dox your IP address and find out where you live. Using VPN on YouTube, Netflix or other media would allow you to watch content from other countries which are otherwise not available in your own country

Generic Routing Encapsulation – GRE is a tunnelling protocol developed by Cisco Systems that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links or point-to-multipoint links over an Internet Protocol network. The information and data transmitted by a user goes down an encrypted tunnel making sure nobody can see that data

Public Wi-Fi – Connecting to a public Wi-Fi could expose all your data through the activity you are engaging in as all your packets of data are out in the open for anyone to grab and inspect. Luckily nowadays there is HTTPS (hypertext transfer protocol secure) which encrypts all these packets so nobody can read them after grabbing them to understand what you’re doing as it will all look like gibberish...