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A comment on Mozilla stops distribution of WOT addon. Parent comment

Re:Mozilla stops distribution of WOT addon by admax88q on Friday November 04, 2016 @10:56AM (#12873051)
> URLs for example should be hashed before going out.

That doesn't help at all. If the server has a database it's going to match this hash too, then it knows what URL corresponds to the hash.

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Re:Mozilla stops distribution of WOT addon by onli on Friday November 04, 2016 @11:29AM (#12873332)
It prevents the server form matching the url when it has stuff like the session id and username in it, and also helps in not giving those information to the outside.
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Re:Mozilla stops distribution of WOT addon by r721 on Saturday November 05, 2016 @08:58AM (#12879570)
Yeah, Google Safe Browsing ships a local database of urls to prevent this:

https://developers.google.com/safe-browsing/v4/update-api

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