VPN (Virtual Private Network)
securityintermediate
privacyencryptionsecurityremote access
A service that encrypts your internet traffic and protects your online identity by creating a private network from a public internet connection.
Examples
Public Wi-Fi
VPN protects your data when using coffee shop or airport Wi-Fi
Remote work
Corporate VPN allows secure access to company network from home
Common Misconceptions
- •VPNs typically reduce internet speed by 10-30% due to encryption overhead
- •VPN doesn't make you completely anonymous online
Optimization Tips
Choose VPN servers closer to your location for better speed
Use split tunneling for non-sensitive traffic
Try different VPN protocols (WireGuard is fastest)
User Impact
Speed
VPN adds latency and reduces bandwidth
Privacy
Hides browsing activity from ISP
Access
Can bypass geo-restrictions
Troubleshooting
Issue: Slow VPN speed
Solution: Try different server or protocol
Issue: Connection drops
Solution: Enable kill switch, check firewall settings
Technical Details
Specification: Common protocols: OpenVPN, WireGuard, IKEv2/IPSec