Event ID 5449

A Windows Filtering Platform provider context has been changed.

A Windows Filtering Platform provider context has been changed.

Subject:
    Security ID:        %2
    Account Name:       %3

Process Information:
    Process ID: %1

Provider Information:
    Provider ID:    %4
    Provider Name:  %5

Change Information:
    Change Type:    %6

Provider Context:
    ID: %7
    Name:   %8
    Type:   %9


Gets logged whenever a WFP provider context is added, modified, or deleted from the Base Filtering Engine. The most common trigger is system startup, when WFP-based components (Windows Firewall, IPsec, VPN clients, third-party security software) register their non-persistent contexts. It also fires when such software initializes or shuts down mid-session, or when IPsec/firewall policy changes at runtime.

Auditing:     Rarely

Generally only useful for troubleshooting WFP configuration issues, has little value for routine security monitoring or compliance.


Volume:     Low Medium

Volume usually depends on how many WFP-aware applications are installed and how actively they interact with the BFE. Volume tends to be lower on servers and potentially higher on workstations.




Name Field Insertion String OS Example
Process ID ProcessId %1 Any 858
Security ID UserSid %2 Any SYSTEM
Account Name Username %3 Any NT AUTHORITY\SYSTEM
ID ProviderKey %4 Any {4f57a550-3b1e-4c8a-8887-35c9b1ff1b8f}
Name ProviderName %5 Any Microsoft Corporation
Change Type ChangeType %6 Any Add
ID ProviderContextKey %8 Any {4f57a550-3b1e-4c8a-8887-35c9b1ff1b8f}
Name ProviderContextName %9 Any MPSSVC
Type ProviderContextType %10 Any Not Persistent


Lookup Audit Policy Configuration Settings

C:\> AuditPol.exe /get /subcategory:"Filtering Platform Policy Change"



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