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Dear Kerio firewall professionnals,

I'm trying to limit minimum of bittorent usage since they now use encryption so low level packet filtering is now useless.

I want to block .torrent file from being downloaded off the web.

some website link like this http://www.example.com/file/test.torrent

so a basic URL rules can apply but IF they use a redirector script which is 90% of the torrent website like this : http://www.example.com/getfile.php?id=75747548

The url filter cannot be applied in this case.

How i can block effectively .torrent file?

Thank you for your support!

Jan Jezek (Kerio)

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You are right the HTTP filter does not currently recognize this. However you can filter the torrent file mime type (application/x-bittorrent) which should work for most sites.

Jan Jezek
Product Development Manager - Kerio Control
Kerio Technologies

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1.) define "Definitions -> URL Groups" a new Group "Forbid Torrent" with *.torrent in URL

2.) create "Content Filter -> HTTP Policy" a new policy to block traffic for your new generated URL Group "Forbid Torrent"

The User CAN access your example URL


.... but not the resulting URL xxx.yyy.zzz.file.torrent.

I have used this against downloading all "fun - files" like .wma/.mov/.mp4 and and and


[Updated on: Wed, 11 November 2009 15:41]


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why don't you block torrents in traffic rules ???
allow only following common ports for routine task, http, https, dns, pop3, smtp, ftp etc,
and create a separate rule for torrents, add allowed user to source,
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