Tornado can't execute cgi scripts

[usermigallon]

Hello,
I'm trying to execute scripts but tornado doesn't accept them, could someone help me please?
Thank you for reading.
WARNING:tornado.access:404 GET /cgi-bin/ (192.168.1.3) 1.57ms
WARNING:tornado.access:404 GET /cgi-bin/forward.cgi (192.168.1.3) 1.55ms
WARNING:tornado.access:404 GET /cgi-bin/stop.cgi (192.168.1.3) 1.81ms
WARNING:tornado.access:404 GET /cgi-bin/reverse.cgi (192.168.1.3) 1.61ms