You can easily add magnet protocol association in Mozilla Firefox browser for any bittorrent client. Transmission is a fast and easy BitTorrent client. From the wikipedia:
The Magnet URI scheme is a de facto standard (instead of an open standard) defining a URI scheme for Magnet links, which mainly refer to resources available for download via peer-to-peer networks. Such a link typically identifies a file not by location, but by content -- more precisely, by the content's cryptographic hash value.
How can I add magnet support to Firefox?
Open firefox. Type the following in address bar:
Click on "I'll be careful, I promise!" button. Right click > New > Boolean (see fig.02):
You need to enter new boolean value called network.protocol-handler.expose.magnet and set it to false. This allows you to assign a bittorrent client for all magnet links. For example, when you open a magnet link you will be prompted with a Launch Application dialogue box. From there you can simply select transmission or any other torrent client.
How do I force Firefox to open all magnet links via transmission bittorrent client only?
Just click on a magnet link and Firefox will be forced to prompt you as follows:
You need to specify the full path as follows:
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This tutorial also available in video format: