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All RHEL 8 remote access methods must be monitored.


Finding ID Version Rule ID IA Controls Severity
V-230228 RHEL-08-010070 SV-230228r627750_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 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).
Red Hat Enterprise Linux 8 Security Technical Implementation Guide 2022-06-15


Check Text ( C-32897r567430_chk )
Verify that RHEL 8 monitors all remote access methods.

Check that remote access methods are being logged by running the following command:

$ sudo grep -E '(auth.*|authpriv.*|daemon.*)' /etc/rsyslog.conf

auth.*;authpriv.*;daemon.* /var/log/secure

If "auth.*", "authpriv.*" or "daemon.*" are not configured to be logged, this is a finding.
Fix Text (F-32872r567431_fix)
Configure RHEL 8 to monitor all remote access methods by installing rsyslog with the following command:

$ sudo yum install rsyslog

Then add or update the following lines to the "/etc/rsyslog.conf" file:

auth.*;authpriv.*;daemon.* /var/log/secure

The "rsyslog" service must be restarted for the changes to take effect. To restart the "rsyslog" service, run the following command:

$ sudo systemctl restart rsyslog.service