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All OL 8 networked systems must have SSH installed.


Finding ID Version Rule ID IA Controls Severity
V-248866 OL08-00-040159 SV-248866r853875_rule Medium
Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and read or altered. This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. Protecting the confidentiality and integrity of organizational information can be accomplished by physical means (e.g., employing physical distribution systems) or by logical means (e.g., employing cryptographic techniques). If physical means of protection are employed, logical means (cryptography) do not have to be employed, and vice versa. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188, SRG-OS-000425-GPOS-00189, SRG-OS-000426-GPOS-00190
Oracle Linux 8 Security Technical Implementation Guide 2022-12-06


Check Text ( C-52300r780162_chk )
Verify SSH is installed with the following command:

$ sudo yum list installed openssh-server

openssh-server.x86_64 8.0p1-5.el8 @anaconda

If the "SSH server" package is not installed, this is a finding.
Fix Text (F-52254r780163_fix)
Install SSH packages onto the host with the following command:

$ sudo yum install openssh-server.x86_64