TCP and UDP Ports Explained
By design, UDP is a connection-less protocol that does not validate source Internet Protocol (IP) addresses. Unless the application-layer protocol uses countermeasures such as session initiation in Voice over Internet Protocol, an attacker can easily forge the IP packet datagram (a basic transfer unit associated with a packet-switched network) to include an arbitrary source IP address. 14 Difference Between TCP and UDP Protocol Explained in Detail Acronym. TCP acronym for Transmission Control Protocol. UDP is an acronym for User Datagram … Why does DNS use UDP and not TCP? - GeeksforGeeks An application can use UDP and can be reliable by using a timeout and resend at the application layer. Actually, DNS primarily uses the User Datagram Protocol (UDP) on port number 53 to serve requests. DNS queries consist of a single UDP request from the client followed by a single UDP …
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Jan 31, 2019 TCP and UDP Ports Explained If you understand the concepts of IP addresses, then lets move on to TCP and UDP ports and how they work. In this tutorial we will discuss the concept of Ports and how they work with IP addresses. UDP - Client and Server example programs in Python UDP Overview: UDP is the abbreviation of User Datagram Protocol. UDP makes use of Internet Protocol of the TCP/IP suit. In communications using UDP, a client program sends a message packet to a destination server wherein the destination server also runs on UDP.