Trivial File Transfer Protocol is a simplified version of used for basic file transfers between network devices. It operates in the Application layer over UDP port 69 and lacks authentication, encryption, or any advanced features.
Interaction with protocol
Install
sudo apt install tftp
Connect using the protocol
tftp $ip
tftp:\> #Text based interface
tftp:\> get $filename #Download a file
tftp:\> put $filename #Upload a file
tftp:\> connect $IP #Change server
tftp:\> quit #Close connection
