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Internet Protocol Security (IPsec).pdf
Internet Protocol Security (IPsec) is a set of technologies that ensures the safety and privacy of online data through authentication, integrity, and confidentiality. It utilizes protocols like IKE for mutual authentication and Diffie-Hellman for key negotiation, with two primary modes of operation: transport mode and tunnel mode. IPsec is commonly used in VPNs for secure remote access and protection against network attacks.
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Internet Protocol Security (IPsec).pdf
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- 2. What is IPSec? InternetProtocol Security (IPsec) is a set of rules and technologies designed to keep your online data safe and private. It provides authentication, integrity, and con๏ฌdentiality. IPsec Suite Authentication - Veri๏ฌes the identity of the parties involved Integrity - Ensures the data has not been tampered with Con๏ฌdentiality - Encrypts data to keep it private Swipe
- 3. How IPsec Authenticatesand Manages Keys IPsec mutually authenticates agents at the start of the session. It negotiates cryptographic keys for secure communication. Agent A Agent B Authentication - Using protocols like IKE Key Negotiation - Using Dif๏ฌe-Hellman or similar protocols Secure Session - Encrypted communication established Swipe
- 4. Key Protocols inIPsec Authentication Header (AH): Ensures data integrity and origin of authentication. Encapsulating Security Payload (ESP): Adds data con๏ฌdentiality and encryption. Encapsulating Security Payload (ESP) Con๏ฌdentiality Authentication Authentication Header (AH) Integrity Integrity Authentication Swipe
- 5. IPsec Modes ofOperation Transport Mode: Encrypts only the payload. Tunnel Mode: Encrypts both payload and header. Transport Mode Header Encrypted Payload Tunnel Mode Encrypted Header Encrypted Payload Swipe
- 6. Why Use IPsec? Enhancedsecurity through encryption. Protection against network attacks. Bene๏ฌts of IPsec Enhanced Security Network Attack Defense Data Encryption Swipe
- 7. IPsec Applications Used inVPNs for secure remote access. Secures communications within corporate networks. IPsec Tunnel Remote User Remote User Remote User Remote User IPsec Tunnel IPsecTunnel1 IPsecTunnel2 Swipe
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