python2.5_1.5_通过指定的端口和协议找到服务名

# -*- coding: utf-8 -*-
import socket

def find_service_name():
protocolname = 'tcp'
for port in [80, 25]:
print 'Port:%s =>service name:%s' % (port, socket.getservbyport(port, protocolname))
print 'Port:%s =>service name:%s' % (53, socket.getservbyport(53, 'udp'))

if __name__ == '__main__':
find_service_name()

Port:80 =>service name:http
Port:53 =>service name:domain
Port:25 =>service name:smtp
Port:53 =>service name:domain