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dguido's profile
Dan Guido
Dan Guido
Dan Guido
@dguido

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Dan Guido

@dguido

CEO @trailofbits, organizer @EmpireHacking, director @hack_secure. Open DMs.

Brooklyn, NY
trailofbits.com
Joined April 2008

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    1. Dan Goodin‏ @dangoodin001 12 Dec 2016
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      Dan Goodin Retweeted Filippo Valsorda  💚 🤍 ❤️  ✊

      I'd love to hear a response from @trailofbits about this reported behavior in its new Algo VPN. If true, it strikes me as a deal breaker.https://twitter.com/FiloSottile/status/808355117011521537 …

      Dan Goodin added,

      Filippo Valsorda  💚 🤍 ❤️  ✊Verified account @FiloSottile
      Something to know about Algo: the VPN box operator, or whoever pwns it, can MitM all your TLS (!!) connections https://github.com/trailofbits/algo/issues/75 … https://twitter.com/trailofbits/status/808293232467525632 …
      1 reply 3 retweets 4 likes
    2. Dan Goodin‏ @dangoodin001 12 Dec 2016
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      Replying to @dangoodin001

      Here's the background on Algo https://blog.trailofbits.com/2016/12/12/meet-algo-the-vpn-that-works/ …

      2 replies 2 retweets 3 likes
    3. Dan Guido‏ @dguido 12 Dec 2016
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      Replying to @dangoodin001

      Hey Dan, Algo is under active development and we have a bounty for that issue. tl;dr if your VPN is owned, your traffic is too

      2 replies 5 retweets 1 like
    4. Dan Kaminsky‏Verified account @dakami 12 Dec 2016
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      Replying to @dguido @dangoodin001

      meh, taking things a bit too far there, but I think the bug is pretty fixable

      1 reply 0 retweets 0 likes
    5. Dan Guido‏ @dguido 12 Dec 2016
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      Replying to @dakami @dangoodin001

      Me too! We stopped short before because all the easy fixes introduce UX issues.

      1 reply 0 retweets 0 likes
    6. Dan Kaminsky‏Verified account @dakami 12 Dec 2016
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      Replying to @dguido @dangoodin001

      Do you need to sign new certs after the first one?

      1 reply 0 retweets 0 likes
    7. Dan Guido‏ @dguido 12 Dec 2016
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      Replying to @dakami @dangoodin001

      If you want to do server maintenance, like adding new users, yeah. https://github.com/trailofbits/algo#adding-or-removing-users …

      1 reply 0 retweets 0 likes
    8. Dan Kaminsky‏Verified account @dakami 12 Dec 2016
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      Replying to @dguido @dangoodin001

      Do user endpoints ever talk to eachother, or are they always trusting the VPN concentrator?

      1 reply 0 retweets 0 likes
      Dan Guido‏ @dguido 12 Dec 2016
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      Replying to @dakami @dangoodin001

      Endpoints aren't talking to eachother, only to the concentrator.

      9:54 AM - 12 Dec 2016
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Dan Kaminsky‏Verified account @dakami 12 Dec 2016
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          Replying to @dguido @dangoodin001

          Maybe we have two roots, one authing server to user, one authing user to server, latter no serverauth, former ephem?

          2 replies 0 retweets 1 like
        2. Dan Guido‏ @dguido 12 Dec 2016
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          Replying to @dakami @dangoodin001

          All of this requires testing with clients. Not sure how things like iOS will react.

          2 replies 0 retweets 0 likes
        3. 9 more replies

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