Residing in a field in the TCP or UDP header, the port number directs packets to the appropriate application in the server. The most common well-known port is 80, which identifies HTTP traffic for ...

IP-header etc., which shall be transmitted. Transmitter: The Transmitter will check for a send flag from one of the packet types (UDP, ARP, RARP or ICMP). At the beginning, preamble is sent, where the ...