python写外网收集信息器

import socket
from socket import *
a=input(‘请输入域名:‘)
try:
  ip=gethostbyname(a)
  print(‘[+]‘+ip)

  print(‘开放的端口有：‘)
  def postscanner(host,port):
    try:
      s=socket(AF_INET,SOCK_STREAM)
      s.connect((host,port))
      print(‘[+]%d open‘%port)
      s.close()
    except:
      pass

  def main():
       setdefaulttimeout(1)
       for p in range(1,1024):
          postscanner(‘14.215.177.38‘,p)


except Exception as e:
    print(e)

if __name__ == ‘__main__‘:
       main()