IPSec protocol
Internet Protocol Security
Provides secriuty fir Network_OSI - Authenticantio nad encryption for every packet - ITs very standarlezed - multi vendor implementation
Confidentiality and integrity/anti-replay - Encryption and packet signing
Core IPSec protocols
- AH_protocol Authentitacion Header
- [ESP_prtocol] Encapslation Security Payload
Modes
Original packet -
Transport mode - We add the IPSsec headears to encrypt the data but
not the IP -
Tunnelmode - This also encrypts the
IP -