II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000023-GPOS-00006
Group -
The Department of Defense (DoD) login banner must be displayed immediately prior to, or as part of, graphical desktop environment login prompts on AIX.
Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal ...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
Group -
The Department of Defense (DoD) login banner must be displayed during SSH, sftp, and scp login sessions on AIX.
Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal ...Rule Medium Severity -
SRG-OS-000228-GPOS-00088
Group -
Any publically accessible connection to AIX operating system must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system.
Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent with...Rule Medium Severity -
SRG-OS-000074-GPOS-00042
Group -
IF LDAP is used, AIX LDAP client must use SSL to authenticate with LDAP server.
While LDAP client's authentication type is ldap_auth (server-side authentication), the client sends password to the server in clear text for authentication. SSL must be used in this case.Rule High Severity -
SRG-OS-000383-GPOS-00166
Group -
If LDAP authentication is required, AIX must setup LDAP client to refresh user and group caches less than a day.
If cached authentication information is out-of-date, the validity of the authentication information may be questionable.Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
The AIX /etc/passwd, /etc/security/passwd, and/or /etc/group files must not contain a plus (+) without defining entries for NIS+ netgroups or LDAP netgroups.
A plus (+) in system accounts files causes the system to lookup the specified entry using NIS. If the system is not using NIS, no such entries should exist.Rule Medium Severity -
SRG-OS-000185-GPOS-00079
Group -
AIX must protect the confidentiality and integrity of all information at rest.
Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive, when used for backups) within an operating system. This re...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
Group -
AIX must provide time synchronization applications that can synchronize the system clock to external time sources at least every 24 hours.
Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when condu...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
All AIX NFS anonymous UIDs and GIDs must be configured to values without permissions.
When an NFS server is configured to deny remote root access, a selected UID and GID are used to handle requests from the remote root user. The UID and GID should be chosen from the system to provid...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
AIX nosuid option must be enabled on all NFS client mounts.
Enabling the nosuid mount option prevents the system from granting owner or group-owner privileges to programs with the suid or sgid bit set. If the system does not restrict this access, users with...Rule Medium Severity
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