upnp设置,小编教你如何打开或关闭upnp及好坏处分析

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路由器一般都会有upnp功能,迷也给大家对upnp设置有了一定的便利,那么upnp要怎么打开或是关闭呢,在路由器的什么位置,upnp设置打开和关闭有什么不同?对网络来说打开还是关闭好。



upnp是什么?

UPnP是英语Universal Plug and Play的首字母缩写,一般翻译成通用即插即用。路由器UPnP功能用于实现局域网计算机和智能移动设备,通过网络自动彼此对等连接,而且连接过程无需用户的参与。 路由器UPnP功能用于局域网络计算机和智能移动设备,流畅使用网络,加快P2P软件访问网络的速度,如观看在线视频和多点下载等方面的软件,使网络更加稳定。



upnp打开好还是关闭好?

1、UPNP开启后能方便智能监控设备直接透传到因特网,无需做烦琐的映射端口设置。

2、UPNP开启后能方便智能网络存储设备与因特网进行数据传输,节省手动设置时间。

3、UPNP开启后能方便在因特网使用ERP、CRM、第三方远程桌面等软件。

4、UPNP开启后能提高AnyChat系统的P2P成功率,节省服务器的带宽。

5、UPNP开启的坏处一:对缓冲区(Buffer)的使用没有进行检查和限制。外部的攻击者,可以通过这里取得整个系统的控制特权!由于UPnP功能必须使用计算机的端口来进行工作,取得控制权的攻击者,还有可能利用这些端口,达到攻击者的目的。这个缺陷导致的后果很严重,不论哪个版本的windows 系统,只要运行UPnP,就都存在这个危险!但严格地说,这并不完全是UPnP技术本身的问题,更多的是程序设计的疏忽。winwin7.com 系统之家

6、UPNP开启的坏处二:就与UPnP的工作机理有关系了。该缺陷存在于UPnP工作时的“设备发现”阶段。发现设备可以分为两种情况:如果某个具备UPnP功能的计算机引导成功并连接到网络上,就会立刻向网络发出“广播”,向网络上的UPnP设备通知自己已经准备就绪,在程序设计这一级别上看,该广播内容就是一个M-SEARCH(消息)指示。该广播将被“声音所及”范围之内的所有设备所“听到”。并向该计算机反馈自己的有关信息,以备随后进行控制之用。

7、电脑开启UPNP可以就可以降低第一条坏处,第二条坏处主要是用来方便智能硬件连接到因特网的,不算是坏处。
 



UPNP打开和关闭方法:以常用的tplink路由器为例


在 转发规则 >> UPNP设置 中,确认处于开启状态:



新界面风格

在 高级设置 >> 高级用户 >> UPNP设置 中,确认开关处于开启状态:




云路由器

云路由器默认支持UPNP功能,且处于开启状态,目前没有UPNP功能的开关和状态观察。

OK,关于upnp功能的设置方法及开启后的利弊就分享到这里了,希望对大家帮助。
 

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