🛡 How does IPsec secure your network traffic?

🔐 IPsec provides confidentiality & integrity at the network layer using:

ESP (Encapsulating Security Payload): 🔒 Encryption + Integrity

AH (Authentication Header): ✅ Integrity only

Works in Transport mode (host-to-host) or Tunnel mode (gateway-to-gateway)

⚠️ But it’s not all smooth sailing…

🚧 Real-world challenges:

🔧 Complex configuration

🔥 Incompatibility with NAT

🧩 Limited app support

❌ Troubleshooting is hard (encrypted headers!)

💡 While IPsec is transparent to apps, it’s less flexible than TLS for application-level needs.

#CyberSecurity #IPsec #NetworkSecurity #Encryption #TLS #ESP #AH #InfoSec #TechExplained #Confidentiality #Integrity

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