帮助我理解netstat报告

Question

我是IT管理员，我从一个用户那里得到了这份报告。

您能帮我理解到这个doubleclick外部地址的TCP连接条目吗？这是否与最终用户/组织有关？什么能打开到doubleclick的这么多连接？

C:\Users\myPc>netstat

Active Connections

  Proto  Local Address          Foreign Address        State
  TCP    127.0.0.1:5939         doubleclick:49713      ESTABLISHED
  TCP    127.0.0.1:27017        doubleclick:51340      ESTABLISHED
  TCP    127.0.0.1:27017        doubleclick:51341      ESTABLISHED
  TCP    127.0.0.1:27017        doubleclick:51354      ESTABLISHED
  TCP    127.0.0.1:27017        doubleclick:51626      ESTABLISHED
  TCP    127.0.0.1:49677        doubleclick:49678      ESTABLISHED
  TCP    127.0.0.1:49678        doubleclick:49677      ESTABLISHED
  TCP    127.0.0.1:49680        doubleclick:49681      ESTABLISHED
  TCP    127.0.0.1:49681        doubleclick:49680      ESTABLISHED
  TCP    127.0.0.1:49705        doubleclick:49706      ESTABLISHED
  TCP    127.0.0.1:49706        doubleclick:49705      ESTABLISHED
  TCP    127.0.0.1:49713        doubleclick:5939       ESTABLISHED
  TCP    127.0.0.1:49722        doubleclick:49723      ESTABLISHED
  TCP    127.0.0.1:49723        doubleclick:49722      ESTABLISHED
  TCP    127.0.0.1:50570        doubleclick:50572      ESTABLISHED
  TCP    127.0.0.1:50572        doubleclick:50570      ESTABLISHED
  TCP    127.0.0.1:50573        doubleclick:50574      ESTABLISHED
  TCP    127.0.0.1:50574        doubleclick:50573      ESTABLISHED
  TCP    127.0.0.1:50575        doubleclick:50576      ESTABLISHED
  TCP    127.0.0.1:50576        doubleclick:50575      ESTABLISHED
  TCP    127.0.0.1:50579        doubleclick:50580      ESTABLISHED
  TCP    127.0.0.1:50580        doubleclick:50579      ESTABLISHED
  TCP    127.0.0.1:50581        doubleclick:50582      ESTABLISHED
  TCP    127.0.0.1:50582        doubleclick:50581      ESTABLISHED
  TCP    127.0.0.1:50583        doubleclick:50584      ESTABLISHED
  TCP    127.0.0.1:50584        doubleclick:50583      ESTABLISHED
  TCP    127.0.0.1:50585        doubleclick:50586      ESTABLISHED
  TCP    127.0.0.1:50586        doubleclick:50585      ESTABLISHED
  TCP    127.0.0.1:50617        doubleclick:50618      ESTABLISHED
  TCP    127.0.0.1:50618        doubleclick:50617      ESTABLISHED
  TCP    127.0.0.1:50619        doubleclick:50620      ESTABLISHED
  TCP    127.0.0.1:50620        doubleclick:50619      ESTABLISHED
  TCP    127.0.0.1:51340        doubleclick:27017      ESTABLISHED
  TCP    127.0.0.1:51341        doubleclick:27017      ESTABLISHED
  TCP    127.0.0.1:51354        doubleclick:27017      ESTABLISHED
  TCP    127.0.0.1:51626        doubleclick:27017      ESTABLISHED

Answer 1

Doubleclick是网站的广告服务。你看到的是一个人去了一个网站，有doubleclick广告。Web浏览器在查看网站时将打开多个连接，以便同时下载网页的多个部分。