SYSTEM_AUDIT_ACE

The SYSTEM_AUDIT_ACE structure defines an access-control entry (ACE) for the system access-control list (ACL) specifying what types of access cause system-level notifications. A system-audit ACE causes an audit message to be logged when a specified user or group attempts to gain access to an object. The user or group is identified by a security identifier (SID).

typedef struct _SYSTEM_AUDIT_ACE { // sada

ACE_HEADER Header;

ACCESS_MASK Mask;

DWORD SidStart;

} SYSTEM_AUDIT_ACE;

Members

Header

Specifies an ACE_HEADER structure.

Mask

Specifies an ACCESS_MASK structure that gives the access rights causing audit messages to be generated. The SUCCESSFUL_ACCESS_ACE_FLAG and FAILED_ACCESS_ACE_FLAG flags in the AceFlags member of the ACE_HEADER structure indicate whether messages are generated for successful access attempts, unsuccessful access attempts, or both.

SidStart

Specifies a SID. An access attempt of a kind specified by the Mask member by any user or group whose SID matches the SidStart member causes the system to generate an audit message. If an application does not specify a SID for this member, audit messages are generated for the specified access rights for all users and groups.

Remarks

Audit messages are stored in an event log that can be manipulated by using the Win32 API event-logging functions or by using Windows NT Event Viewer (EVENTVWR.EXE).

ACE structures should be aligned on doubleword boundaries. All Windows memory-management functions return doubleword-aligned handles to memory.

See Also

ACCESS_ALLOWED_ACE, ACCESS_DENIED_ACE, ACCESS_MASK, ACE_HEADER, ACL, SYSTEM_ALARM_ACE

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