#get request fuzzing with burp-paramater-names seclist (after running this, filter out the size with -fs)
#Discovery/web-content/burp-parameter-names.txt
ffuf -w /path/to/burp-paramater-nanes.txt:FUZZ -u http://domain.com:port/directory.php?FUZZ=key
#post request fuzzing
ffuf -w /burp-paramater-names.txt:FUZZ -u http://domain.com:port/directory.php -X POST -d 'FUZZ=key' -H 'Content-Type: appliaction/x-www-form-urlencoded'