簡單的端口掃描

#!/usr/bin/env python3
#coding:utf-8
'''
@author:oxff
@github:https://github.com/oxff644
'''
#進程池掃描主機端口,進程池技術可以一次創建多個子進程，適合於子進程數量事先預知的情況
from multiprocessing import Pool
import os
import socket

def scan_port(ports=0):
    s =socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    s.settimeout(1)
    for port in range(ports,ports+4096):
        result =s.connect_ex((ip,port))
        #print(result)
        if result==0:
            print('I am process %d,port %d is openned!' % (os.getpid(),port))
    s.close()
ip ='192.168.134.128'
p =Pool(16)
for k in range(16):
    p.apply_async(scan_port,args=(k*4096,))#每個子進程要掃描的開始端口是k*4096
p.close()
p.join()
print('all subprocesses had finished!')

#!/usr/bin/env python3
#coding:utf-8
'''
@author:oxff
@github:https://github.com/oxff644
'''
#線程池掃描主機端口
import threadpool
import socket
def scan_port(num):
    s =socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    s.settimeout(1)
    ports =num*4096
    thread_name ='thread'+str(num)
    for port in range(ports,ports+4096):
        result =s.connect_ex((ip,port))
        if result == 0:
            print('I am %s,port %d is openned!' %(thread_name,port))
    s.close()
ip =input('enter a Ip address: ').strip()
p =threadpool.ThreadPool(16)
num_list =list(range(16))
tasks =threadpool.makeRequests(scan_port,num_list)
for task in tasks:
    p.putRequest(task)
p.wait()
print("All thread had finished!")