今天，我们正在讨论另一个用于您的浏览器的插件，它可以确保您不会在互联网上被跟踪。很容易确定您是否被跟踪。如果无论您在互联网上的哪个位置都能看到类似的广告，尤其是基于您在Google或任何其他搜索引擎上进行的搜索。

这个插件被称为 Privacy Possum，它在自己的术语中“通过减少和伪造通过跟踪收集的数据来破坏常见的商业跟踪方法^{(wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking)}”。

Firefox 和 Chrome 的隐私负鼠

隐私负鼠^{(Privacy Possum)}以三种主要方式工作：

• 它阻止 cookie 让跟踪器在网站上唯一地识别您
• 它还将阻止 refer 显示您浏览位置的标题
• 最讨厌的是etag。它阻止 etag 了利用浏览器缓存来唯一识别您的跟踪
• 最好的部分是它可以阻止浏览器指纹识别，从而跟踪浏览器的固有唯一性。

Privacy Possum如何阻止跟踪

Cookie 跟踪： ^{(Cookie tracking: )}大多数在线跟踪都是通过 cookie 进行的。隐私 Possum^{(Privacy Possum)}会阻止所有第 3 方 cookie。

etag 跟踪：^{(etag tracking:)}这些是众所周知的跟踪向量，通常用于代替 cookie。它会在您第一次访问网站时存储 etag，然后尝试确定这些标签是否在任何地方再次使用。然后它会添加新标签以及旧标签。所以下次这些标签出现时，它只会阻止它们。

Firefox 和 Chrome 的扩展

我喜欢扩展的简单性。绝对没有您需要查看的设置或统计信息。它只是告诉您被阻止的跟踪器数量、源数量等。您可以随时将其关闭。您可以下载Chrome和Firefox 的扩展程序。^(Firefox.)

总体而言，这是阻止来自全球各地困扰您的所有第三方广告商的所有跟踪的好方法。虽然我确实错过了隐私獾必须提供的透明度选项。^{(Overall, it’s a great way to block all tracking from all third-party advertisers which haunt you around the globe. Though I do miss the option of details which Privacy Badger has to offer for transparency.)}

隐私负鼠 与隐私獾^{( vs. Privacy Badger)}

就在几天前，我们还谈到了Privacy Badger。它几乎做同样的事情，但Privacy Possuum的开发者声称，在Privacy Badger的当前架构下添加新的隐私保护是困难的，或者是不可能的。使用Privacy Badger的指纹阻止 源^(origin) CDN URL被标记为跟踪（不是URL）。因此，来自该来源的所有内容都在第 3 方上下文中被阻止。这很糟糕，因为CDN很常见，并且跟踪器会找到自己的方式。

Privacy Possum blocks common commercial tracking methods

Today, we are talking about another plugin for your browser which can make sure that you arе not tracked across the internet. It is easy to figurе out if you are being tracked. If you get to see similar аdvertisements no matter where you are on the internet, especially based on the search you made on Google or аny other search engineѕ.

This plugin is called as Privacy Possum which in its own term “wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking“.

Privacy Possum for Firefox & Chrome

Privacy Possum works in three major ways:

• It blocks cookies that let trackers uniquely identify you across websites
• It will also block refer headers that reveal your browsing location
• The most annoying is the etag. It blocks etag tracking which leverages browser caching to uniquely identify you
• The best part is it can block browser fingerprinting which tracks the inherent uniqueness of your browser.

How does Privacy Possum block tracking

Cookie tracking: Most online tracking happens through cookies. Privacy Possum blocks all 3rd party cookies.

etag tracking: These are well-known tracking vector, commonly used instead of cookies. It stores etags when you visit a website for the first time, and then tries to figure out if these tags are again used anywhere. It then adds the new tags as well along with old ones. So next time those tags show up, it simply blocks them.

Extensions for Firefox and Chrome

I loved the simplicity of the extension. There is absolutely no settings or stats you need to see. It just tells you the count of trackers blocked, source count, and so on. You can turn it off anytime you want. You can download the extensions for Chrome and Firefox.

Overall, it’s a great way to block all tracking from all third-party advertisers which haunt you around the globe. Though I do miss the option of details which Privacy Badger has to offer for transparency.

Privacy Possum vs. Privacy Badger

Only a few days ago, we talked about Privacy Badger. It almost does the same thing, but the developer of Privacy Possuum claims that adding new privacy protections was difficult, or impossible with the current architecture of Privacy Badger. While using Privacy Badger’s fingerprinting blocking the origin CDN URL is marked as tracking (not the URL). So everything from that origin is blocked in a 3rd party context. This is bad because CDN is common, and trackers find their way around.

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