#!/usr/bin/env python 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()
TEST:
Port:80 => service name: http
Port:25 => service name: smtp
Port:53 => service.name:domain
[Finished in 0.1s]
Finding a service name, given the port and protocol
原文：http://www.cnblogs.com/magicpower/p/5063598.html