In a form on the website, Bob enters the type of good and quantity desired, his address and payment card details. Let's discuss a typical Internet-based business transaction.īob visits Alice’s website for selling goods. Anything above TCP/IP is implemented as user process. TCP and IP layers are implemented in the operating system. In this chapter, we will discuss the process of achieving network security at Transport Layer and associated security protocols.įor TCP/IP protocol based network, physical and data link layers are typically implemented in the user terminal and network card hardware.
In the last chapter, we discussed some popular protocols that are designed to provide application layer security. As mentioned earlier, these protocols work at different layers of networking model. There are popular standards for real-time network security protocols such as S/MIME, SSL/TLS, SSH, and IPsec. To achieve this goal, many real-time security protocols have been designed. Network security entails securing data against attacks while it is in transit on a network.
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