How can you use a virtual private network (VPN) to secure TCP/IP?

TCP/IP é um conjunto de protocolos que possibilita a comunica??o entre computadores e servidores, formando a Internet. Ele combina o Protocolo de Controle de Transmiss?o (TCP), responsável pela transmiss?o de dados, com o Protocolo de Internet (IP), que identificar os computadores e servidores.

Think of the internet as a public highway for your data. A VPN creates a secure tunnel within this highway. It scrambles your data packets with encryption, making them unreadable even if intercepted. This encrypted tunnel hides your traffic from anyone on the public internet, including your ISP or lurkers on public Wi-Fi. Plus, a VPN disguises your device's IP address, offering anonymity and potentially letting you access restricted content. In short, a VPN secures your online experience by encrypting data, creating a private tunnel, and masking your identity.

When you send data over a VPN, your original TCP/IP packets are wrapped inside new, encrypted packets. Think of it like putting a letter inside an envelope, then putting that envelope inside a locked box

Tcp/Ip é um endere?o de protocolo da Internet, do inglês Internet Protocol address, é um número atribuído a cada dispositivo conectado a uma rede de computadores que utiliza o Protocolo de Internet para comunica??o.

What you are speaking of is the Open System Interconnection (OSI) model. The TCP provides for end-to-end transmission with reliability. It can provide this over dissimilar transmission media an even unreliable paths. The TCP maintains data integrity by acknowledging receipt by the end receiver. Message units are numbered and checksum protected. The sender maintains a copy of a message part sent until it is acknowledged by the receiver. If the timer expires before receipt of the ACKnowedgment, the sender will retransmit the message part. If the ACKnowledgement is received shortly after, the sender will discard the message part. If the receiver has sent the ACKnowledgement and a second copy is received, the duplicate is simply discarded

VPNs are used to transmit data securely and anonymously over public networks. Its operation consists of hiding the IP addresses of the users and encrypting the data so that no one who is not authorized to receive it can read it. It has 3 main characteristics such as PRIVACY, ANONYMITY AND SECURITY.

The TCP/IP is the communication protocol used between the computers and servers for successful communication. With the help of the VPN, we can secure this communication when it has to travel over the public network (Internet). VPN creates an encrypted tunnel using a protocol such as IPSec. Hence, VPN adds a layer of security to TCP/IP communications by encrypting the data transmitted over the network, ensuring privacy, protecting against cyber threats, and allowing secure remote access to networks.

In general, VPNs are used more because they give you more security, faster data processing, and they are also useful in other aspects such as: Using WiFi in a public location that is vulnerable to hacking or spoofing (such as airports, coffee shops, and coworking spaces) Browse the Internet anonymously Avoid targeted ads Hide your ISP data Get better deals on flights, hotels, big purchases, etc. Access websites and content with geographical restrictions and protection of your identity.

VPN adds an extra layer of security, encryption, privacy, & flexibility. VPN provides anonymity by routing your connection through VPN servers located in different geo locations. VPN allows you to bypass geo restrictions & access content that might be blocked in your region. VPN provides a secure way to access your org's network remotely, allowing you to work securely from anywhere. VPN alone is not an absolute way to secure your TCP/IP network but is a crucial part of securing your network. Using both a VPN & firewall are vital to secure a network. A VPN helps as mentioned above, a firewall helps monitor & control incoming & outgoing network traffic based on security rules. Using both provides layers of protection for your network & data.