Labels:text | screenshot | number | document | font OCR: Figure 1 Filter Notifications and Data Structures Notification Type mot fication Typo Data Structure (p Notification) SF_NOTIFY_AUTHENTICATION The server is authenticating an incoming HTTP_FILTER_AUTHENT user. This happens once per session. SF_NOTIFY_ END_OF_REQUEST The server just finished processing the request. Not used Note that the session to the client may still be open because of the HTTP Keep-Alive connection option. This notification is mainiy for cleanup of any request-specific data used by your filter SF_NOTIFY_READ_RAW_DATA The server is reading raw data from the HTTP_FILTER_RAW_DATA underlying socket. By handling this notification. a filter enn access the raw dath being sent by the client ., This notification may be posted more than once for each request. SF_NOTIFY_PREPROC_HEADERS The server is justabout th process the request's HTTP FILTER PREPROC. HEADERS headers. Server variables will become available at the next notification for this request. SF.NOTIFY_URL_MAP The server is mapping the URb.address HTTP_FILTER_URL_MAP to its physical path. Your filter can Specify a different physical path for this merjuest at this notification, SF_NOTIFY .SEND RAW_DATA. The server is sending data back to the client on _HTTP_FILTER RAW DATA the underlying socket .. This say ptcur more than once for each request, The filter may change outgoing data by handling this notification. SF_ NOTIFY_LOG The server is writing an entry to the IIS Jog. HTTP_FILTER_LOG The filter may alter this information by' handling this notification SE NOTIFY END OF The session between the client and the server Not used NET SESSION was closed. Thia notification is mainly provided to clean up une session spovifie data. SF_NOTIFY ACCESS DENIED The server couldn't access the requested HTTP FILTER_ACCESS DENIED document, bretuse access was denied (401. Access Denied "response status is about to be sent to the client. SF_ NOTIFY_ SEND_RESPONSE The server is about to send ITTTI response HTTP_FILTER SEND RESPONSE headers to the client. The tiltor may alter them by handling this notification,
