Verify permissions of file /etc/services The permissionbs of the /etc/services file must be 0644 or less. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official service name, port number, protocol name, aliases. [Permission_544] /etc/services set via chmod oval:org.secpod.oval:def:24622 SCAP Repo OVAL Definition 2015-06-11