II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000042-GPOS-00020
Group -
NixOS must generate an audit record for successful/unsuccessful uses of the truncate, ftruncate, creat, open, openat, and open_by_handle_at system calls.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000042-GPOS-00020
Group -
Successful/unsuccessful uses of the chown, fchown, fchownat, and lchown system calls in NixOS must generate an audit record.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000042-GPOS-00020
Group -
Successful/unsuccessful uses of the chmod, fchmod, and fchmodat system calls in NixOS must generate an audit record.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
Group -
NixOS must notify the system administrator (SA) and information system security officer (ISSO) (at a minimum) when allocated audit record storage volume reaches 75 percent utilization.
If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion. Satisfies: SRG-OS-000046...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
Group -
NixOS must notify the system administrator (SA) and information system security officer (ISSO) (at a minimum) when allocated audit record storage volume reaches 90 percent utilization.
If security personnel are not notified immediately when storage volume reaches 90 percent utilization, they are unable to plan for audit record storage capacity expansion.Rule Medium Severity -
SRG-OS-000046-GPOS-00022
Group -
NixOS must take action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.
If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion.Rule Medium Severity -
SRG-OS-000046-GPOS-00022
Group -
NixOS must take action when allocated audit record storage volume reaches 90 percent of the repository maximum audit record storage capacity.
If security personnel are not notified immediately when storage volume reaches 90 percent utilization, they are unable to plan for audit record storage capacity expansion.Rule Medium Severity -
SRG-OS-000047-GPOS-00023
Group -
The NixOS audit system must take appropriate action when the audit storage volume is full.
It is critical that when NixOS is at risk of failing to process audit logs as required, it takes action to mitigate the failure. Audit processing failures include software/hardware errors; failures...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
Group -
The NixOS audit system must take appropriate action when an audit processing failure occurs.
It is critical that when NixOS is at risk of failing to process audit logs as required, it takes action to mitigate the failure. Audit processing failures include software/hardware errors; failures...Rule Medium Severity -
SRG-OS-000051-GPOS-00024
Group -
NixOS must have the packages required for offloading audit logs installed and running.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. Ni...Rule Medium Severity
Node 2
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