69
TFTP
High RiskUDP — File Transfer
Port Overview
Port Number
69
Service Name
TFTP
Transport Protocol
UDP
Category
File Transfer
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 69?
Trivial File Transfer Protocol. A simplified file transfer protocol with no authentication or encryption. Commonly used for PXE network booting and firmware updates on network devices.
UDP
File Transfer
Commonly Used
Security Considerations
Port 69 (TFTP) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.