Event ID 858 – Windows Firewall group policy settings have been applied.
When the group policy of Windows Firewall is changed (either locally or through Active Directory Group Policy) or the local Group Policy is refreshed, event 858 is logged. The log simply says that the settings have been applied; it doesn't indicate whether it was triggered by a change or because of a refresh.
Why does event ID 858 need to be monitored?
All changes with regards to Windows Firewall need to be monitored since unplanned or unauthorized changes need immediate investigation. It could be a sign of malicious activity.
ADAudit Plus helps you avoid the GPOs monitoring complexities with real-time pre-configured reports and auditing of the changes along with alerts within a Domain & OU. The advanced Group Policy settings real-time audit reports highlight the elusive change details, and also provide the old and new values of the modified attributes.
Event 858 applies to the following operating systems:
- Windows 2003 and XP
Corresponding event ID in Windows 2008 and Windows Vista is 4954.