TCP layer is simply provide check and verify the integrity of the data packets, can meet the needs of similar SNMP security authentication protocol, TCP seems unable to ensure the legitimacy of the users and the data been tampered with, its safety guarantee provided by the very defects? But similar FTP, HTTP, etc have security authentication strategy application layer protocol? The great spirit guide,

CodePudding user response:

TCP cannot ensure the legitimacy of the users and the data been tampered with, HTTp also not line, so people invented the HTTPS

CodePudding user response:

This is HTTPS can do that