本文实例讲述了Python实现的端口扫描功能。分享给大家供大家参考，具体如下：

一 代码

import sysimport socketimport multiprocessingdef ports(ports_service): #获取常用端口对应的服务名称 for port in list(range(1,100))+[143,145,113,443,445,3389, 8080]: try: ports_service[port] = socket.getservbyport(port) except socket.error: passdef ports_scan(HOST, ports_service): ports_open = [] try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #sock.settimeout(60) except socket.error: print('socket creation error') sys.exit() for port in ports_service: try: #尝试连接指定端口 sock.connect((HOST,port)) #记录打开的端口 ports_open.append(port) sock.close() except socket.error: pass return ports_openif __name__=='__main__': m = multiprocessing.Manager() ports_service = dict() results = dict() ports(ports_service) #创建进程池，允许最多8个进程同时运行 pool = multiprocessing.Pool(processes=8) net = '192.168.0.' for host_number in map(str,range(105,106)): host = net+host_number #创建一个新进程，同时记录其运行结果 results[host] = pool.apply_async(ports_scan, (host, ports_service)) print('starting '+host+'...') #关闭进程池，close()必须在join()之前调用 pool.close() #等待进程池中的进程全部执行结束 pool.join() #打印输出结果 for host in results: print('='*30) print(host,'.'*10) for port in results[host].get(): print(port, ':', ports_service[port])

二 运行结果

starting 192.168.0.105...
==============================
192.168.0.105 ..........
80 : http

更多关于Python相关内容感兴趣的读者可查看本站专题：《Python Socket编程技巧总结》、《Python URL操作技巧总结》、《Python数据结构与算法教程》、《Python函数使用技巧总结》、《Python字符串操作技巧汇总》及《Python入门与进阶经典教程》

希望本文所述对大家Python程序设计有所帮助。