python socket 端口测试

#coding:utf8 import socket,time,re,thread,os timeout=3 socket.setdefaulttimeout(timeout)

def socket_port(ip,port):     s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)     result=s.connect_ex((ip,port))     if result==0:         lock.acquire()         print '%s'%ip+',%s端口通过'%port+'\n'         lock.release()         s.close()     else:         print '%s'%ip+',%s端口异常'%port+'\n'

def ip_scan(ip):     print""" *****************************************               端口号为 21,22,23,3389,1521,3940  *****************************************  """     try:         print '开始扫描 %s'%ip         list1=[21,22,23,3389,1521,3940,]         start_time=time.time()         for i  in list1:             thread.start_new_thread(socket_port,(ip,int(i)))         print "扫描端口完成，总共用时：%.2f"%(time.time()-start_time)+'\n'     except:         print "扫描IP出错"

if __name__=='__main__':     url=open('C:\Users\Jia\Desktop\IP,Port.txt','r')     url1=url.read()     url2=re.findall(r'[\d]+.+[^\W]',url1)     url.close()     for x in url2:         lock=thread.allocate_lock()         ip_scan(x)         time.sleep(5)