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Thread: Company Cracks BitTorrent Protocol Encryption and Introduces Tracker Whitelists

  1. #1
    Hairbautt's Avatar *haircut
    Join Date
    Jul 2004
    "The cat-and-mouse game continues."

    TorrentFreak is reporting that a German-based computer company--Ipoque--has developed a bandwidth management device to eliminate unwanted, encrypted Bittorrent (BT) protocols. There are no details provided on how their new system works, but Ipoque is known for providing bandwidth managing solutions for schools and Internet Service Providers (ISPs).

    Ipoque is also featured to have a “whitelist” that can allow legal BT sites and trackers as an exception to the system while blocking all other encrypted BT traffic. Their new hardware maybe the solution that some companies are searching for since many organizations--such as Rogers ISP (see below)--are looking to throttle encrypted BT tranfers.

    Source: TorrentFreak
    Related: Rogers Fights BitTorrent by Throttling All Encrypted Transfers
    Last edited by Hairbautt; 04-28-2007 at 03:40 AM. Reason: Fixed Source.
    Last edited by Alien5; Jun 6th, 2006 at
    06:36 PM..

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  3. News (Archive)   -   #2
    vipaar's Avatar Da Reptyle Wid Style
    Join Date
    Feb 2005
    London, UK
    Oh well, looks like another method of encryption will have to be developed,

  4. News (Archive)   -   #3
    lightshow's Avatar Asleep at the wheel
    Join Date
    Mar 2003
    RC4 encryption can have from a 40 bit to 128 bit key

    While 40-bit encryption is available, it is not recommended for sensitive data because RC4 40-bit encryption can be brute force cracked in a relative short period of time (1 day to 2 weeks).
    I don't know what length key RC4 supported clients use (utorrent, azerous, etc.), but 1 day to 2 weeks for each RC4 key isn't valid to check if it's internals are valid in time to see if they are going to a whitelisted tracker.

    I think instead, they have a database of the IP's of the whitelisted trackers and do not let any encrypted traffic go to an IP out of that range...

    O wait, no that's stupid. The only thing they can see is the destination address & source address + port#. And since most clients run on no standardized ports now, they won't know what the encrypted traffic is unless they just have a policy of taking all traffic and blocking it if it's encryped on a certain port range.

    Which is stupid since it can come from another legit source other than bittorent.

    Oh, and they can break RC4 encryption (with time [depending on cypher strength]), but rest assured, it is not cracked.
    I miss the days of random nut '03
    Click for more activation options, then activate by telephone. Run the keygen.
    if I call them, aren't they going to get me? (you know, down there)

  5. News (Archive)   -   #4
    j0hn's Avatar leet poster BT Rep: +1
    Join Date
    Jul 2005
    Quote Originally Posted by vipaar View Post
    Oh well, looks like another method of encryption will have to be developed,
    i doubt that
    with ludde no longer developing utorrent, i dont expect any further development of encryption on their part. bram cohen has already aired his dislike of encryption. although i dont think he'll remove it from utorrent, i dont think he'll advance it either.

  6. News (Archive)   -   #5
    General2k's Avatar Death's End BT Rep: +45BT Rep +45BT Rep +45BT Rep +45BT Rep +45BT Rep +45BT Rep +45BT Rep +45BT Rep +45
    Join Date
    Sep 2006
    There will be a work around for it. Every time I see something like this I think of this quote.
    Quote Originally Posted by Lisa Simpson
    It's just another chapter in the pointless rivalry between Springfield and Shelbyville. They built a mini mall, so we built a bigger mini mall. They made the world's largest pizza, so we burnt down their City Hall.
    Gee, Brain what do you want to do tonight?
    The same thing we do every night Pinky. Try to take over the world!


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