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Does TLS work over TCP?
TLS was designed to operate on top of a reliable transport protocol such as TCP. However, it has also been adapted to run over datagram protocols such as UDP.
Does SSL run on TCP?
SSL/TLS typically runs on top of TCP, but there is nothing to stop you from running it on UDP, SCTP or any other transport layer protocol. As a matter of fact HTTPS over TCP and UDP are both defined as “well known” by IANA and have reserved port numbers.
Is TLS more secure than TCP?
The Transport Layer Security (TLS) protocol adds a layer of security on top of the TCP/IP transport protocols. TLS uses both symmetric encryption and public key encryption for securely sending private data, and adds additional security features, such as authentication and message tampering detection.
Is https or SSL better?
HTTPS: HTTPS is a combination of HTTP with SSL/TLS. It means that HTTPS is basically HTTP connection which is delivering the data secured using SSL/TLS. SSL: SSL is a secure protocol that works on the top of HTTP to provide security.
How does a TCP close affect SSL / TLS?
And again, a TCP close does not implicitly invalidate the TLS session. SSL/TLS runs over the TCP layer. Correct. Suppose TCP connection is terminated before SSL/TLS session was closed. Then (a) the TCP connection has ended, and (b ) the SSL/TLS session persists.
Do you need to know about the end of a TCP connection?
It doesn’t need to know about this. It only needs to know about the end of the TCP connection, which is signalled by the TLS close_notify message, and the end of the session, which happens when it is invalidated. TLS sessions can long outlive TCP connections, and vice versa.
Why does the TLS record protocol require TCP?
At the lowest level, layered on top of some reliable transport protocol (e.g., TCP [TCP]), is the TLS Record Protocol. Seemingly everywhere else (according to my judgment), the RFC doesn’t only require “some reliable transport protocol” but TCP in particular.
What happens after a TCP handshake between client and server?
Here is what happens after a TCP handshake as a summary: Client sends a CLIENT HELLO package to the server and it includes the SSL / TLS versions and the cipher suites it supports. Then the server responds with a SERVER HELLO package which includes the SSL / TLS versions and the cipher suits that it supports.