Yes
HTTP works over a TCP connection.HTTP works over a TCP connection.HTTP works over a TCP connection.HTTP works over a TCP connection.
smtp
FTP; HTTP; DNS (uses both TCP and UDP); several e-mail protocols including POP3, SMTP, IMAP4.
TCP (also sometimes called TCP/IP)
HTTP is implemented on top of TCP.
WebDAV uses HTTP over TCP to transfer files.
HTTP
TCP port 80
Try opening these ports: TCP 80 (http) TCP 18182 TCP 52000 - 53800 UDP 52000 - 53800
HTTP shows us images and allows stuff like what we are doing here. My FTP site is for you to enter my machine and collect data that I allow you to.
smtp, http, anything on that specific OSI layer.
UDP: DNS, TFTP, DHCP... TCP: SMTP, HTTP, HTTPS, DNS, FTP, SHH, Telnet...