Any active TFTP daemon must be authorized and approved in the system accreditation package.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-4695	GEN005140	SV-39193r1_rule	DCSW-1	High

Description
TFTP is a file transfer protocol often used by embedded systems to obtain configuration data or software. The service is unencrypted and does not require authentication of requests. Data available using this service may be subject to unauthorized access or interception.

STIG	Date
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2018-09-18

Details

Check Text ( C-38171r1_chk )
Determine if the TFTP daemon is active. # grep -v "^#" /etc/inetd.conf |grep tftp If TFTP is found enabled, it is a finding if it is not documented using site-defined procedures.

Fix Text (F-33446r1_fix)
Disable the TFTP daemon. Edit /etc/inetd.conf and comment out the tftp line. Restart the inetd service. # refresh -s inetd