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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. Matthew Green‏ @matthew_d_green 19 Sep 2017

      So a year or two back Apple announced they were adding a feature to use cellular when WiFi sucked. This seemed great!

      2 replies 0 retweets 7 likes
      Show this thread
    2. Matthew Green‏ @matthew_d_green 19 Sep 2017

      Because, unless you only use your phone in Cupertino, WiFi sucks A LOT. Particularly on public networks (usually automatically).

      3 replies 0 retweets 13 likes
      Show this thread
    3. Matthew Green‏ @matthew_d_green 19 Sep 2017

      I assumed that when the phone appeared to be using WiFi, but packet rate sucked, it’d quietly switch to cellular. Beautiful.

      4 replies 0 retweets 9 likes
      Show this thread
    4. Matthew Green‏ @matthew_d_green 19 Sep 2017

      Instead Apple did the opposite. When your phone appeared to be on LTE but (marginal) WiFi was available, it’d SWITCH TO THE BAD WIFI.

      9 replies 0 retweets 18 likes
      Show this thread
    5. Matthew Green‏ @matthew_d_green 19 Sep 2017

      So I’m constantly wondering why my AT&T service sucks, and no — my phone’s just connecting to WiFi. And failing. With no indication.

      4 replies 1 retweet 13 likes
      Show this thread
    6. Matthew Green‏ @matthew_d_green 19 Sep 2017

      Literally the only thing that makes the phone operational in range of marginal WiFi is to turn off WiFi. And now Apple’s made that harder.

      11 replies 2 retweets 28 likes
      Show this thread
    7. Matthew Green‏ @matthew_d_green 19 Sep 2017

      Dear Apple: if TCP connections are failing and ACKs aren’t coming back, stop trying to use that network and switch to another. Why so hard?

      12 replies 7 retweets 68 likes
      Show this thread
    8. mjos\dwez‏ @mjos_crypto 19 Sep 2017
      Replying to @matthew_d_green

      In the age of unlimited 4G/LTE, the built-in preference for WiFi is odd. Android has this too; Samsungs do system updates only over WiFi.

      3 replies 0 retweets 5 likes
    9. mjos\dwez‏ @mjos_crypto 19 Sep 2017
      Replying to @mjos_crypto @matthew_d_green

      So I had to flip that 4G sim to an another phone, set it up as a mobile hotspot, and THEN my primary phone downloaded the 1GB system update.

      1 reply 0 retweets 1 like
    10. Rich Felker‏ @RichFelker 19 Sep 2017
      Replying to @mjos_crypto @matthew_d_green

      Hypothesis: phones would be a lot better with a "case" like the ext batt ones but containing 4G modem & wifi ap, no sim in phone.

      2 replies 0 retweets 1 like
      Rich Felker‏ @RichFelker 19 Sep 2017
      Replying to @RichFelker @mjos_crypto @matthew_d_green

      Thereby no baseband vulns/backdoors.

      5:11 PM - 19 Sep 2017
      2 replies 0 retweets 0 likes
        1. Rich Felker‏ @RichFelker 19 Sep 2017
          Replying to @RichFelker @mjos_crypto @matthew_d_green

          Plus you could buy a $200 iPod touch instead of a $1000 iPhone.

          0 replies 0 retweets 0 likes
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        2. Alex " 🎃The 🎃" Butcher‏ @alexjbutcher 20 Sep 2017
          Replying to @RichFelker @mjos_crypto @matthew_d_green

          Presumably the "case" would provide some mechanism for updating baseband, so vulns would depend on mechanism for doing so & Backdoors on API

          1 reply 0 retweets 0 likes
        3. Alex " 🎃The 🎃" Butcher‏ @alexjbutcher 20 Sep 2017
          Replying to @alexjbutcher @RichFelker and

          Perhaps, tho, we shld consider field firmware updates for critical things inherently unsafe, & disposable modules with ROMs used more often

          0 replies 0 retweets 0 likes
        4. End of conversation

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