Exception in thread Thread-1499:
Traceback (most recent call last):
  File "/usr/lib/python3.7/threading.py", line 926, in _bootstrap_inner
  File "/usr/lib/python3.7/threading.py", line 870, in run
  File "./puro.py", line 10, in portscan
  File "/usr/lib/python3.7/socket.py", line 151, in __init__
OSError: [Errno 24] Too many open files

#Questo errore avviene quando alzo il range di porte sopra il 999





#!/usr/bin/python3

import threading
import socket

target = input("Please enter the IP you want to scan: ")

def portscan(port):

    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.settimeout(0.5)#

    try:
        con = s.connect((target, port))

        print('Port :',port,"is open.")

        con.close()
    except:
        pass
r = 1
for x in range(1,999):

    t = threading.Thread(target=portscan,kwargs={'port':r})

    r += 1
    t.start()