Curl-url-file-3a-2f-2f-2f
curl file:///absolute/path/to/file
file:///path/to/your/file
: The string essentially translates to curl url file:/// . 2. How curl Handles the file:/// Protocol curl-url-file-3A-2F-2F-2F
curl "$(python3 -c "import urllib.parse; print(urllib.parse.unquote('file%3A%2F%2F%2Fetc%2Fissue'))")" curl-url-file-3A-2F-2F-2F
: In cybersecurity, this specific pattern is a common "payload." Security researchers try to inject file:/// into website inputs to see if they can trick a server into "leaking" its own internal system files. curl-url-file-3A-2F-2F-2F