Where is the relevant file table.def located to make this modification?

Ann wants to hide FTP traffic behind the virtual IP of her cluster. Where is the relevant file
table.def located to make this modification?

A.
$FWDIR/lib/table.def

B.
$FWDIR/bin/table.def

C.
$FWDIR/log/table.def

D.
$FWDIR/conf/table.def