基于用户代理的DLNA设备访问控制

Mohammad Zuberul Islam, M. Hossain, S. Haque, Jutheka Lahiry, Shyam Akhter Bonny, Mohammed Nazim Uddin
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引用次数: 6

摘要

基于DLNA的媒体共享现在非常流行。在当前的DLNA规范中,DLNA设备向网络中的每个人发布其存在。接收到广告的任何控制点应用程序都可以访问/控制设备。然而,随着公共Wi-Fi热点的日益普及和可用性,设备有必要进行某种访问控制。DLNA规范没有强制的身份验证过程。因此,从任何不需要的控制点接收请求的设备不能阻止/验证其访问。对于大多数个人设备来说,UPnP推荐的认证过程在计算上是昂贵和复杂的。因此,在本文中,我们提出了一个简单的基于User-Agent的访问控制系统,该系统可以有效地保护设备免受不必要的控制点应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
User-agent based access control for DLNA devices
DLNA based media sharing is very popular nowadays. In current DLNA specification, a DLNA device advertises its presence to everyone in the network. Any control point application receiving the advertisement can access/control the device. However, with increasing popularity and availability of public Wi-Fi hotspots, it is necessary for devices to have some sort of access control. DLNA specification has no mandatory authentication procedure. So a device receiving a request from any unwanted control point cannot block/verify its access. The UPnP recommended authentication procedure is computationally expensive and complex for most personal devices. So, in this paper we propose a simple User-Agent based access control system that is effective to protect devices from unwanted control point applications.
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