The Red Hat Enterprise Linux operating system must not have the Trivial File Transfer Protocol (TFTP) server package installed if not required for operational support.

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The Red Hat Enterprise Linux operating system must not have the Trivial File Transfer Protocol (TFTP) server package installed if not required for operational support.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-72301	RHEL-07-040700	SV-86925r2_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 7 Security Technical Implementation Guide	2019-09-25

Details

Check Text ( C-72535r1_chk )
Verify a TFTP server has not been installed on the system. Check to see if a TFTP server has been installed with the following command: # yum list installed tftp-server tftp-server-0.49-9.el7.x86_64.rpm If TFTP is installed and the requirement for TFTP is not documented with the ISSO, this is a finding.

Fix Text (F-78655r2_fix)
Remove the TFTP package from the system with the following command: # yum remove tftp-server