Does HTTP use TCP or UDP?

Question

Need to know how the inherit each protocol.

Answer 1

Uses TCP because its reliable.
UDP is not reliable.

Answer 2

Http normally use TCP/IP
UDP can broadcast data to multiple stations at the same time. It best use for video streaming, normally use in web-based video surveillance.

Answer 3

yeah, I read those articles. But in here I need to use HTTP and uploading protocol is UDP. But the by default HTTP use TCP for instead UDP because of the reliability issues. How can I move to UDP when I'm using HTTP.
When I'm searching most of the guys had said that need to change port numbers. How can I do that?