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how to block specific sites?

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In one case, I want to block "aws.amazon.com" I can't seem to "unsubscribe" this particular site, and I opine that ability to block this and perhaps other sites ... would be much appreciated.

In one case, I want to block "aws.amazon.com" I can't seem to "unsubscribe" this particular site, and I opine that ability to block this and perhaps other sites ... would be much appreciated.

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Maybe you'd like to try this add-on :

https://addons.mozilla.org/en-US/firefox/addon/blocksite/

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Hi Diarm, it's possible that Mozilla uses the Amazon Web Services network for some browser-related data or functions. If you are interested in what kinds of requests Firefox might be making separate from your requests for specific web pages, please see this article:

How to stop Firefox from making automatic connections

Note that add-ons and sites you care about also might use AWS. Blocking all access to AWS could lead to unpredictable results.