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IBM z/OS SMF recording options for the SSH daemon must be configured to write SMF records for all eligible events.


Finding ID Version Rule ID IA Controls Severity
V-223586 ACF2-SH-000010 SV-223586r533198_rule Medium
Remote access services, such as those providing remote access to network devices and information systems, which lack automated monitoring capabilities, increase risk and make remote user access management difficult at best. Remote access is access to DoD nonpublic information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless. Automated monitoring of remote access sessions allows organizations to detect cyber attacks and also ensure ongoing compliance with remote access policies by auditing connection activities of remote access capabilities, such as Remote Desktop Protocol (RDP), on a variety of information system components (e.g., servers, workstations, notebook computers, smartphones, and tablets). Satisfies: SRG-OS-000032-GPOS-00013, SRG-OS-000392-GPOS-00172
IBM z/OS ACF2 Security Technical Implementation Guide 2022-06-22


Check Text ( C-25259r504734_chk )
Locate the SSH daemon configuration file which may be found in "/etc/ssh/" directory.


From UNIX System Services ISPF Shell, navigate to ribbon select tools.

Select option 1 - Work with Processes.

If SSH Daemon is not active, this is not a finding.

Examine SSH daemon configuration file.

If ServerSMF is not coded with ServerSMF TYPE119_U83 or is commented out, this is a finding.
Fix Text (F-25247r504735_fix)
Configure the SERVERSMF statement in the SSH Daemon configuration file to TYPE119_U83.