UDP Port 69 – tftp

About UDP Port 69

Port 69 is registered with the Internet Assigned Numbers Authority (IANA) for tftp. The IANA description reads: ‘Trivial File Transfer’. This port appears in 12 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

12 IDS / security rules reference UDP port 69. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 4): bad-unknown (5), successful-admin (4), attempted-admin (2), attempted-recon (1).

Sample rule descriptions for UDP port 69:

• PROTOCOL-TFTP Put
• PROTOCOL-TFTP parent directory
• PROTOCOL-TFTP root directory
• PROTOCOL-TFTP GET Admin.dll
• PROTOCOL-TFTP GET nc.exe

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry, Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range), and Snort Community Rules (GPLv2).