This identifier contains filter notification and priority flags for a filter instance. For detailed information about these flags, see the ISAPI section of the documentation.
| Data type | DWORD |
| Default inheritance | Not inheritable |
| User type | IIS_MD_UT_SERVER |
| Constant | Value | Description |
|---|---|---|
| MD_NOTIFY_SECURE_PORT | 0x00000001 | Notify only if port secure |
| MD_NOTIFY_NONSECURE_PORT | 0x00000002 | Notify only if port nonsecure |
| MD_NOTIFY_READ_RAW_DATA | 0x00008000 | Notify if reading raw data |
| MD_NOTIFY_PREPROC_HEADERS | 0x00004000 | Notify if preprocessing headers |
| MD_NOTIFY_AUTHENTICATION | 0x00002000 | Notify if performing authentication |
| MD_NOTIFY_URL_MAP | 0x00001000 | Notify if mapping URL to physical path |
| MD_NOTIFY_ACCESS_DENIED | 0x00000800 | Notify if server sending HTTP error 401 to client |
| MD_NOTIFY_SEND_RESPONSE | 0x00000040 | Notify if response being sent to client |
| MD_NOTIFY_SEND_RAW_DATA | 0x00000400 | Notify if sending raw data |
| MD_NOTIFY_LOG | 0x00000200 | Notify if logging |
| MD_NOTIFY_END_OF_REQUEST | 0x00000080 | Notify if request has ended |
| MD_NOTIFY_END_OF_NET_SESSION | 0x00000100 | Notify if network session is ending |
| MD_NOTIFY_ORDER_HIGH | 0x00080000 | High priority for notifications |
| MD_NOTIFY_ORDER_MEDIUM | 0x00040000 | Medium priority for notifications |
| MD_NOTIFY_ORDER_LOW, MD_NOTIFY_ORDER_DEFAULT | 0x00020000 | Low priority for notifications |
This identifier is available at the following metabase keys:
| Metabase Path | Key Type |
|---|---|
| /LM/W3SVC/Filters/Filter | IIsFilter |
| /LM/W3SVC/n/Filters/Filter | IIsFilter |
All flags contained in this identifier should be considered read-only, as only the filter itself can specify, by registering with the server, what notifications it will process and what priority it requires.