Probare con esa tool con la url de la inyeccion..

Hola comunidad tengo un problema en la mayoria de las inyecciones que realizo en sqlmap me lanza este error

Citar[01:56:53] [CRITICAL] connection timed out to the target URL or proxy. sqlmap is going to retry the request
[01:56:53] [WARNING] most probably web server instance hasn't recovered yet from previous timed based payload.
If the problem persists please wait for few minutes and rerun without flag T in option '--technique' (e.g. '-
-flush-session --technique=BEUS') or try to lower the value of option '--time-sec' (e.g. '--time-sec=2')
[01:57:24] [CRITICAL] connection timed out to the target URL or proxy. sqlmap is going to retry the request
[01:57:55] [CRITICAL] connection timed out to the target URL or proxy. sqlmap is going to retry the request
[01:58:27] [CRITICAL] connection timed out to the target URL or proxy
[01:58:57] [CRITICAL] connection timed out to the target URL or proxy. sqlmap is going to retry the request
[01:59:28] [CRITICAL] connection timed out to the target URL or proxy. sqlmap is going to retry the request
[01:59:59] [CRITICAL] connection timed out to the target URL or proxy. sqlmap is going to retry the request
[02:00:30] [CRITICAL] connection timed out to the target URL or proxy

cual es el problema ? cual es la solucion porfavor responder

gracias.