<P> HTTP operates at the highest layer of the TCP / IP model , the Application layer ; as does the TLS security protocol ( operating as a lower sublayer of the same layer ) , which encrypts an HTTP message prior to transmission and decrypts a message upon arrival . Strictly speaking , HTTPS is not a separate protocol , but refers to use of ordinary HTTP over an encrypted SSL / TLS connection . </P>
<P> HTTP operates at the highest layer of the TCP / IP model , the Application layer ; as does the TLS security protocol ( operating as a lower sublayer of the same layer ) , which encrypts an HTTP message prior to transmission and decrypts a message upon arrival . Strictly speaking , HTTPS is not a separate protocol , but refers to use of ordinary HTTP over an encrypted SSL / TLS connection . </P>
at which tcp / ip layer does the https protocol work
at which tcp / ip layer does the https protocol work
the highest layer
the highest layer