The TFTP service must not be running.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
RHEL-06-000223	RHEL-06-000223	RHEL-06-000223_rule		Medium

Description
Disabling the "tftp" service ensures the system is not acting as a tftp server, which does not provide encryption or authentication.

STIG	Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide	2013-02-05

Details

Check Text ( C-RHEL-06-000223_chk )
To check that the "tftp" service is disabled in system boot configuration, run the following command: # chkconfig "tftp" --list Output should indicate the "tftp" service has either not been installed, or has been disabled at all runlevels, as shown in the example below: # chkconfig "tftp" --list "tftp" 0:off 1:off 2:off 3:off 4:off 5:off 6:off Run the following command to verify "tftp" is disabled through current runtime configuration: # service tftp status If the service is disabled the command will return the following output: tftp is stopped If the service is running, this is a finding.

Check Text ( C-RHEL-06-000223_chk )

To check that the "tftp" service is disabled in system boot configuration, run the following command:

# chkconfig "tftp" --list

Output should indicate the "tftp" service has either not been installed, or has been disabled at all runlevels, as shown in the example below:

# chkconfig "tftp" --list
"tftp" 0:off 1:off 2:off 3:off 4:off 5:off 6:off

Run the following command to verify "tftp" is disabled through current runtime configuration:

# service tftp status

If the service is disabled the command will return the following output:

tftp is stopped

If the service is running, this is a finding.

Fix Text (F-RHEL-06-000223_fix)
The "tftp" service should be disabled. The "tftp" service can be disabled with the following command: # chkconfig tftp off