Always wrap the URL in double quotes (e.g., curl "file:///path/to/file" ) to prevent the shell from interpreting characters like & or @ .
: You can use curl with authenticated sites by providing credentials. curl-url-file-3A-2F-2F-2F
curl file:///var/log/syslog | head -20
Consider a PHP application using curl_init() with a user-supplied URL. If the developer only checks for http or https , an attacker could supply: Always wrap the URL in double quotes (e
: Using the -X or --request option with POST , you can upload files to a server. curl-url-file-3A-2F-2F-2F
The "Error 3" in cURL (URL using bad/illegal format) often triggers this string in logs for several reasons: