win:security 5157
The Windows Filtering Platform has blocked a connection.
- Log source
- Windows Security event log
- Host type
- Windows (workstation, member server, domain controller)
- How to enable
- Advanced Audit Policy: Object Access > Audit Filtering Platform Connection
- Audit category
- Object Access
- Audit subcategory
- Audit Filtering Platform Connection
- Tier, host type
- Minimum
- Techniques
- 4
- Rules depending on it
- Sigma 1
Why this tier
Microsoft audit baseline (dc); Microsoft audit baseline (server); Microsoft audit baseline (workstation)
By role
| Role | Tier | Basis |
|---|---|---|
| Windows workstation | Minimum | Microsoft audit baseline (workstation) |
| Windows member server | Minimum | Microsoft audit baseline (server) |
| Windows domain controller | Minimum | Microsoft audit baseline (dc); Microsoft audit baseline (server) |
| Windows web server (IIS), internet-facing | Minimum | Microsoft audit baseline (server) |
Techniques it helps detect
Rules that depend on it
Sigma 1
Standards and guidance naming it
| Requirement | Relation | Basis |
|---|---|---|
| Microsoft: Events to monitor with potential criticalityAppendix L: Events to Monitor (Windows Server AD DS best practices) | Names this event | potential criticality Low: The Windows Filtering Platform has blocked a connection. |