【Python3】端口占用监测的程序
#!/usr/bin/env python # -*- coding:utf-8 -*- #python端口占用监测的程序,该程序可以监测指定IP的端口是否被占用 import socket,time,_thread socket.setdefaulttimeout(3) #设置默认超时时间 def socket_port(ip, port): """ 输入IP和端口号,扫描判断端口是否占用 """ try: if port >=65535: print (u'端口扫描结束') s=socket.socket(socket.AF_INET, socket.SOCK_STREAM) result=s.connect_ex((ip, port)) if result==0: lock.acquire() print (ip,u':',port,u'端口已占用') lock.release() except: print (u'端口扫描异常') def ip_scan(ip): """ 输入IP,扫描IP的0-65534端口情况 """ try: print (u'开始扫描 %s' % ip) start_time=time.time() for i in range(0,65534): _thread.start_new_thread(socket_port,(ip, int(i))) print (u'扫描端口完成,总共用时:%.2f' %(time.time()-start_time)) # raw_input("Press Enter to Exit") except Exception as err: print(err) # print (u'扫描ip出错') finally: print("Goodbye!") if __name__=='__main__': url=input('Input the ip you want to scan: ') lock=_thread.allocate_lock() ip_scan(url)
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