Mar 22, 2017
So, your browser made a "hole" in the NAT router/firewall, so to speak, but only for that single connection. UDP hole punching is an extension of this for the case that the client (e.g. your browser) and the server are both behind a NAT router/firewall. TFTP uses UDP as the transport protocol, rather than TCP. network protocols, TFTP, SMTP, TCP, UDP, ARP, RARP, TCP/IP Mar 25, 2018 What are examples of TCP and UDP in real life? - Stack @Edwin: FTP doesn't use UDP, it uses TCP. TFTP uses UDP - are you getting them mixed up? – Tom Anderson Mar 17 '11 at 10:33 @Erik: media streaming is an interesting case, which i didn't think of. There, you can afford to lose individual packets, because that causes a momentary drop in the audio output, but you can't afford to have the whole 9.2.4.3 Lab – Using Wireshark to Examine TCP and UDP Jan 31, 2019
TFTP server and port 69 UDP or TCP or B - Cisco Community
Does FTP use UDP? - Quora FTP uses TCP ports 21 and 20. You can learn “everything” about FTP here → RFC 959 - File Transfer Protocol. I recommend reading one of these: * FTP for Beginners * Understanding How FTP Works Warning: 1. Files transferred are not encrypted and mor
System Configuration Guide for Cisco Unified
List of TCP and UDP port numbers - Wikipedia This is a list of TCP and UDP port numbers used by protocols of the Internet protocol suite for operation of network applications.. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) needed only one port for full-duplex, bidirectional traffic. The Stream Control Transmission Protocol (SCTP) and the Datagram Congestion Control Protocol (DCCP) also use port numbers. TFTP udp port - Cisco Community TFTP works like this: the client issues the first packet using udp port grater than 1023 to port 69 on the server. The server responds using a port number grater than 1023 to the original port used by the client. The rest of the conversation is carried out using the last to port numbers. What’s the Difference Between TCP and UDP? Jul 03, 2017 Difference Between FTP and TFTP (with Comparison Chart