Client requests RTSP OPTIONS followed by DESCRIBE to query supported methods and retrieve stream metadata, but does not proceed to session setup or playback. This pattern is commonly associated with automated scanning or reconnaissance activity checking for exposed cameras or media services.

FTP session where the client negotiates binary transfer mode, enters extended passive mode (EPSV), and issues an MLSD command to retrieve a machine-readable directory listing.

Identifies HTTPS requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration

Identifies direct HTTPS requests to the /bad-request path, indicating manual or automated probing of error-handling routes rather than normal application flow.