Using the type of cryptographic tunneling protocols (e.g., L2TP, IPSEC, SSL, etc.) which may be used, the layer(s) of the OSI at which each operates, and also recommend how they may be implemented.
Using the type of cryptographic tunneling protocols (e.g., L2TP, IPSEC, SSL, etc.) which may be used, the layer(s) of the OSI at which each operates, and also recommend how they may be implemented.
The cryptographic tunneling protocols encapsulates the data packets in the IP Packets and assigns a particular signature to the data that is sent and provides authentication before accessibility to the message sent through data packets.
The protocols used are Protocol Security (IPSec), Point-to-Point Tunneling protocol (PPTP), Secure sockets layer (SSL) and Layer2 Tunneling protocol.
IPSec is the open standard that has a secure protocol to the IP Connection. This takes the charge to authenticate the data of all data packets within the IP Traffic This protocol helps in encryption and authentication for non-IP Traffic which concurrently operates with L2TP. This operates at the network Layer and can be implemented on devices communicating over the internet protocol.
SSL Protocol is the encryption protocol that is done at the presentation layer. The SSL protocol acts as a cryptographic solution for the protection of data during transit. This is needed to protect the data that is being transferred between a web browser and a server. The client and web server pass the data back and forth using TCP. SSL is mostly used in E-commerce as it allows the entities to communicate securely and without any congestion.
L2TP protocol is responsible for the data encryption in conjunction with other relevant protocols and encryption mechanisms like PPP. It provides the data tunneling when PPP connects to the public IP. This protocol also allows non-IP protocols to get in through the VPN tunnel’s for a safe and secure transfer of data. This protocol works mostly in data link layer and helps to encrypting the data from associated machines and systems such as ATM and frame relay.
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