#!/usr/bin/env python# -*- coding:UTF-8 -*-import socketimport structsniffer = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.ntohs(3))while True:    print sniffer.recvfrom(65565)    最近在學(xué)用python抓包，上面這段代碼在linux下可以運行，輸出報文內(nèi)容，為什么到了mac下就不能運行了？求指導(dǎo)