The smb.conf file must use the hosts option to restrict access to Samba.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1030	GEN006220	SV-64055r1_rule		Medium

Description
Samba increases the attack surface of the system and must be restricted to communicate only with systems requiring access.

STIG	Date
Oracle Linux 5 Security Technical Implementation Guide	2020-02-25

Details

Check Text ( C-52471r1_chk )
Examine the "smb.conf" file. # more /etc/samba/smb.conf If the "hosts" option is not present to restrict access to a list of authorized hosts and networks, this is a finding.

Fix Text (F-54585r1_fix)
Edit the "/etc/samba/smb.conf" file and set the "hosts" option to permit only authorized hosts to access Samba.