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The system must use SMB client signing for connecting to samba servers using smbclient.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-38656 | RHEL-06-000272 | SV-50457r1_rule | Low |
| Description |
|---|
| Packet signing can prevent man-in-the-middle attacks which modify SMB packets in transit. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 6 Security Technical Implementation Guide | 2017-04-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-43606r1_fix) |
|---|
| To require samba clients running "smbclient" to use packet signing, add the following to the "[global]" section of the Samba configuration file in "/etc/samba/smb.conf": client signing = mandatory Requiring samba clients such as "smbclient" to use packet signing ensures they can only communicate with servers that support packet signing. |