About this extension

Checks the origin (requestor’s) URL’s IP address and the requested URL’s IP address of each HTTP request. Blocks the request if they do not match, and the origin IP address is not private (RFC 1918 is one of the criteria), and the requested IP address is.

Developer comments

We will have to clone this extension in order to be able set a custom extension ID, which we will need for storage access, which we intend to use for remembering allowed public-private site pairs.

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Release notes for 0.4.1

A missing dependency on Firefox 60.0 (which introduced DNS API) or newer is added.

The extension provides a toolbar button (AKA browser action) with a popup. The button has a badge that counts addresses blocked in the current tab. On click, the popup shows a table with these addresses.

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