The Trivial File Transfer Protocol (TFTP) server package must not be installed if not required for RHEL 8 operational support.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-230533	RHEL-08-040190	SV-230533r627750_rule		High

Description
If TFTP is required for operational support (such as the transmission of router configurations) its use must be documented with the Information System Security Officer (ISSO), restricted to only authorized personnel, and have access control rules established.

STIG	Date
Red Hat Enterprise Linux 8 Security Technical Implementation Guide	2022-12-06

Details

Check Text ( C-33202r568345_chk )
Verify a TFTP server has not been installed on the system with the following command: $ sudo yum list installed tftp-server tftp-server.x86_64 5.2-24.el8 If TFTP is installed and the requirement for TFTP is not documented with the ISSO, this is a finding.

Fix Text (F-33177r568346_fix)
Remove the TFTP package from the system with the following command: $ sudo yum remove tftp-server