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AlmaLinux OS 9 must implement DOD-approved systemwide cryptographic policies to protect the confidentiality of SSH server connections.

An XCCDF Rule

Description

Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless. Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.

ID
SV-269118r1050609_rule
Version
ALMA-09-003430
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

Configure the AlmaLinux OS 9 SSH daemon to use systemwide crypto policies by running the following commands:

$ sudo dnf reinstall openssh-server