🌐 VPN Security

📖 What is VPN?

VPN (Virtual Private Network) என்பது Internet போன்ற Public Network வழியாக Secure Connection உருவாக்கும் Technology ஆகும்.

🎯 Why Use VPN?

✔ Secure Communication

✔ Data Privacy

✔ Remote Access

✔ Data Encryption

✔ Safe Internet Usage

🔐 How VPN Works?

User Device
      ↓
Encrypted Tunnel
      ↓
VPN Server
      ↓
Internet

🌐 Types of VPN

✔ Site-to-Site VPN

✔ Remote Access VPN

✔ SSL VPN

✔ IPsec VPN

🔑 VPN Protocols

✔ IPsec

✔ SSL/TLS

✔ L2TP

✔ OpenVPN

✔ WireGuard

🔒 VPN Security Features

✔ Encryption

✔ Authentication

✔ Confidentiality

✔ Integrity

🏢 Site-to-Site VPN

இரண்டு Office Networks-ஐ Internet மூலம் Secure-ஆ இணைக்கும் VPN.

👨‍💻 Remote Access VPN

Remote Users வீட்டிலிருந்து Office Network-ஐ பாதுகாப்பாக அணுக பயன்படும் VPN.

⚠ VPN Limitations

✔ Speed Reduction

✔ Configuration Complexity

✔ Maintenance Required

🌍 Real World Usage

✔ Corporate Networks

✔ Telecom Industry

✔ Banking Sector

✔ Government Networks

✔ Remote Employees

🎤 Interview Questions

What is VPN?

What is Site-to-Site VPN?

What is Remote Access VPN?

What is IPsec?

What is SSL VPN?

Advantages of VPN?

📝 Summary

VPN என்பது Public Internet-ல் Secure Communication வழங்கும் முக்கியமான Security Technology ஆகும்.

Remote Access மற்றும் Enterprise Connectivity-க்கு பரவலாக பயன்படுத்தப்படுகிறது.

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