3.6 KiB
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Basic Information
TFTP uses UDP port 69 and requires no authentication—clients read from, and write to servers using the datagram format outlined in RFC 1350. Due to deficiencies within the protocol (namely lack of authentication and no transport security), it is uncommon to find servers on the public Internet. Within large internal networks, however, TFTP is used to serve configuration files and ROM images to VoIP handsets and other devices.
TODO: Provide information about what is a Bittorrent-tracker (Shodan identifies this port with that name). PLEASE, LET ME KNOW IF YOU HAVE SOME INFORMATION ABOUT THIS IN THE HackTricks telegram group (or in a github issue in PEASS).
Default Port: 69/UDP
PORT STATE SERVICE REASON
69/udp open tftp script-set
Enumeration
TFTP doesn't provide directory listing so the script tftp-enum from nmap will try to brute-force default paths.
nmap -n -Pn -sU -p69 -sV --script tftp-enum <IP>
Download/Upload
You can use Metasploit or Python to check if you can download/upload files:
msf5> auxiliary/admin/tftp/tftp_transfer_util
import tftpy
client = tftpy.TftpClient(<ip>, <port>)
client.download("filename in server", "/tmp/filename", timeout=5)
client.upload("filename to upload", "/local/path/file", timeout=5)
Shodan
port:69
Learn AWS hacking from zero to hero with htARTE (HackTricks AWS Red Team Expert)!
Other ways to support HackTricks:
- If you want to see your company advertised in HackTricks or download HackTricks in PDF Check the SUBSCRIPTION PLANS!
- Get the official PEASS & HackTricks swag
- Discover The PEASS Family, our collection of exclusive NFTs
- Join the 💬 Discord group or the telegram group or follow me on Twitter 🐦 @carlospolopm.
- Share your hacking tricks by submitting PRs to the HackTricks and HackTricks Cloud github repos.