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Networking Beginner

What is VPN (Virtual Private Network)?

A technology that creates an encrypted tunnel between your device and a remote server, securing internet traffic.

VPNs encrypt all network traffic between your device and the VPN server, protecting data on public networks and masking your IP address. Protocols include OpenVPN, WireGuard, IPSec, and L2TP.

Use cases include remote work access, bypassing geographic restrictions, privacy protection, and securing public Wi-Fi connections. Enterprise VPNs connect branch offices to central networks.

Related Terms

Content Delivery Network (CDN)
A geographically distributed network of servers that caches and delivers web content from locations closest to users for faster load times.
Network Segmentation
The practice of dividing a network into isolated segments to improve security, performance, and management.
Bandwidth
The maximum rate of data transfer across a network connection, measured in bits per second.
SSL/TLS Certificate
A digital certificate that authenticates a website identity and enables encrypted HTTPS connections.
TCP/IP
The fundamental communication protocol suite of the internet that defines how data is packaged, addressed, transmitted, and received.
Traceroute
A network diagnostic tool that shows the path packets take from source to destination, listing each hop along the way.
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