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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Hector Martin‏ @marcan42 Jun 4

      Hector Martin Retweeted Robᵉʳᵗ Graham X🅂 Max

      First good argument I see about why the GitHub acquisition is bad.https://twitter.com/ErrataRob/status/1003396869052141568 …

      Hector Martin added,

      Robᵉʳᵗ Graham X🅂 Max @ErrataRob
      So here's a more serious discussion of what 'GitHub' is, and why Microsoft's acquisition of it is so important: China can't block GitHub's pages about the Tiananmen Square massacre.
      Show this thread
      6 replies 30 retweets 78 likes
    2. Andrew Miller (安藤龍)‏ @ikari7789 Jun 4
      Replying to @marcan42

      China’s great firewall isn’t MITM the SSL certs? That seems surprising to me.

      1 reply 0 retweets 0 likes
    3. Rich Felker‏ @RichFelker Jun 4
      Replying to @ikari7789 @marcan42

      That's not how TLS ("SSL") works.

      1 reply 0 retweets 0 likes
    4. Andrew Miller (安藤龍)‏ @ikari7789 Jun 4
      Replying to @RichFelker @marcan42

      It’s certainly possible to intercept SSL traffic if you’re controlling the middle layer. Many companies do it, some countries as well. I don’t see how China cannot.

      2 replies 0 retweets 1 like
      Rich Felker‏ @RichFelker Jun 4
      Replying to @ikari7789 @marcan42

      No, it's only possible if the client accepts your forged certificate. It's amazing how many people can't conceive of math/cryptography and think lack of MITM is a social convention.

      2:17 AM - 4 Jun 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Andrew Miller (安藤龍)‏ @ikari7789 Jun 4
          Replying to @RichFelker @marcan42

          Thus proving my point. It doesn’t need to be a valid certificate on the user’s end. If China were to force this you still wouldn’t be able to access it without accepting their forged certificate or bypassing the firewall with a VPN, etc. I didn’t say it needed to be invisible.

          1 reply 0 retweets 0 likes
        3. Hector Martin‏ @marcan42 Jun 4
          Replying to @ikari7789 @RichFelker

          Modern browsers outright won't let you connect on certificate errors (HSTS). It's increasingly hard to "just ignore the warning".

          1 reply 0 retweets 0 likes
        4. Hector Martin‏ @marcan42 Jun 4
          Replying to @marcan42 @ikari7789 @RichFelker

          Also, many command line tools don't even have a flag for that. I don't even know if there's any reasonably easy way of getting 'git clone' to ignore cert errors. Maybe there's a config option?

          2 replies 0 retweets 0 likes
        5. Hector Martin‏ @marcan42 Jun 4
          Replying to @marcan42 @ikari7789 @RichFelker

          Looks like `git -c http.sslVerify=false`. Possible, but non-obvious enough you really don't want to be making *every* developer in your country do it.

          0 replies 0 retweets 0 likes
        6. End of conversation

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