Urlclassifier.gethashnoise

From MozillaZine Knowledge Base

The title given to this article is incorrect due to technical limitations. The correct title is urlclassifier.gethashnoise.

This article describes the preference urlclassifier.gethashnoise. To add, delete, or modify this preference, you will need to edit your configuration — do not edit this article.

1 Background
2 Possible values and their effects
3 Caveats
4 First checked in
5 Has an effect in
6 Related bugs
7 Related preferences
8 External links

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Background

Firefox incorporates the Google Safe Browsing extension in its own Phishing Protection feature to detect and warn users of phishy web sites.

When a site is classified as safe or unsafe, a partial hash is generated of a fragment of the URL. This can be compared against the remote database to return a complete hash and extra metadata. When the hash is sent, a number of random hashes are sent along with it to obscure the “real” URL. This preference determines how many random entries are sent.

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Possible values and their effects

A non-negative integer indicating the number of random entries to send with the actual hash when comparing a URL against the remote database. Default value is 4.

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