II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000033-GPOS-00014
Group -
SLEM 5 must implement DOD-approved encryption to protect the confidentiality of SSH remote connections.
Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session. Remote access is access to DOD nonpublic information s...Rule High Severity -
SRG-OS-000125-GPOS-00065
Group -
SLEM 5 SSH daemon must be configured to only use Message Authentication Codes (MACs) employing FIPS 140-2/140-3 approved cryptographic hash algorithms.
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 auth...Rule High Severity -
SRG-OS-000250-GPOS-00093
Group -
SLEM 5 SSH server must be configured to use only FIPS 140-2/140-3 validated key exchange algorithms.
Without cryptographic integrity protections provided by FIPS 140-2/140-3 validated cryptographic algorithms, information can be viewed and altered by unauthorized users without detection. The syst...Rule High Severity -
SRG-OS-000109-GPOS-00056
Group -
SLEM 5 must deny direct logons to the root account using remote access via SSH.
To ensure individual accountability and prevent unauthorized access, organizational users must be individually identified and authenticated. A group authenticator is a generic account used by mult...Rule Medium Severity -
SRG-OS-000032-GPOS-00013
Group -
SLEM 5 must log SSH connection attempts and failures to the server.
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 man...Rule Medium Severity
Node 2
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