tftp server on linux

Owned by Jean-luc KRIKER
Last updated: Oct 19, 2022
1 min read


enable TFTP and enable firewall on Windows


Install on Linuxhttps://linuxhint.com/install_tftp_server_ubuntu/
Ubuntu

apt update

Server:  apt install tftpd-hpa

client:  apt install tftp



Default configstart status and stop of the process

systemctl status tftpd-hpa.service

systemctl status tftpd-hpa



vi /etc/default/tftpd-hpa

tftpd default config
root@boxed:~# more /etc/default/tftpd-hpa
# /etc/default/tftpd-hpa

TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/srv/tftp"
TFTP_ADDRESS="0.0.0.0:69"
TFTP_OPTIONS="--secure"
root@boxed:~#




Change the UDP port

from UDP/69 to UDP/53

( for example stimulate un-autorize download on DNS port )

test with nmap

nmap port scanning port scanner