Python_内网端口扫描

import socket,threadpool
ports=[]
def scan_poort(port):
    ip='192.168.1.131'
    s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    # socket.socket 创建socket 实例
    # AF_INET 意思是基于网络
    # SOCK_STREAM 意思是基于TCP的
    # SOCK_DGRAM是基于UDP的
    try:
        statu=s.connect_ex((ip,port))
        if statu==0:
            print(port,'is open')
    except:
        pass
def get_port():
    global ports
    for p in range(65536):
        ports.append(p)
get_port()
pool=threadpool.ThreadPool(100)
# 设置线程，创建一个线程池
reqs=threadpool.makeRequests(scan_poort,ports)
# 把ports传入scan_poort函数中去执行，生成所需要的所有线程
[pool.putRequest(req) for req in reqs]
# 等价于
# for req in reqs
#   pool.putRequest(req)
pool.wait()
# 等待其他线程结束