![]() ![]() The Advanced Encryption Standard (AES) is one of the safest ciphers available. The most commonly used ciphers in VPN services are: 1Advanced Encryption Standard (AES) For example, AES- 256 is considered more secure than AES- 128. Generally, the longer the key length the more secure the encryption is. So, privacy would become oqhuzbx.Ĭiphers are usually paired with a specific key-length. Learn more about tunneling protocols in the VPN encryption section below, or in our specific VPN protocols guide.ĮXAMPLE: A very simple cipher might encrypt your data using the rule ‘swap every letter in the message with the letter that precedes it in the alphabet’. This process is known as encapsulation, and is performed by dedicated tunneling protocols. Your actual message becomes completely hidden from the outside world – as if it was inside of a tunnel. It’s like taking an envelope with a written letter inside, and putting it inside a second envelope with a new address on. This communication is referred to as a tunnel because your original traffic is encrypted and wrapped in a layer of unencrypted traffic. In simple terms, it’s the encrypted communication between your device and the VPN server. What Is a VPN Tunnel?Ī ‘VPN tunnel’ is a common way of describing what happens when you set up a VPN connection. ![]() To learn how remote access and site-to-site VPNs work, head over to our VPN types guide. ![]() Though all VPN software is somewhat similar, this process applies specifically to personal or “consumer” VPN services. Your VPN app decrypts the information and the requested website appears in your browser.īy following the process above, a VPN lets you mask your IP address from the websites you’re visiting.Īlso, VPN software lets you hide your online activity from your ISP, WiFi administrator, government or anyone else monitoring your connection.This information is encrypted by the VPN server and forwarded to your device.The VPN server connects to the website on your behalf, and the website sends your requested information back to the VPN server.Your connection data is sent to your chosen VPN server, where it is decrypted.This makes the location and content of your request unintelligible to anyone looking at it. The VPN software on your device encrypts the connection request.In your browser, you type in a website to access (e.g.You download, install and turn on the VPN app on your computer, smartphone, or TV.Here’s what happens to your web traffic when you use a VPN: A VPN works by encrypting your internet connection and re-routing it through a remote VPN server. ![]()
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