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    <title>topic Re: Embedded device Over the Air download fails in Dropbox API Support &amp; Feedback</title>
    <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494202#M24679</link>
    <description>&lt;P&gt;I see, thanks for the information. Do you know if your HTTPS client does or doesn't support SNI? HTTPS clients should handle that automatically, but if this one doesn't, that might be the cause here.&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Fri, 05 Feb 2021 22:02:10 GMT</pubDate>
    <dc:creator>Greg-DB</dc:creator>
    <dc:date>2021-02-05T22:02:10Z</dc:date>
    <item>
      <title>Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494071#M24676</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp; I have devices that have successfully been connecting to api.dropbox.com for several years for code download.&amp;nbsp; Yesterday they started not being able to setup a socket connection to the server.&amp;nbsp; Nothing has changed in the devices.&amp;nbsp; The connection to the server is a normal part of the device startup and had been working fine.&amp;nbsp; Does anybody have any ideas that could help?&amp;nbsp; My devices are not doing anything new and I was wondering if there is a problem with the API server.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Thanks!&lt;/P&gt;
&lt;P&gt;Vic&lt;/P&gt;</description>
      <pubDate>Mon, 08 Feb 2021 20:33:51 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494071#M24676</guid>
      <dc:creator>flygecko</dc:creator>
      <dc:date>2021-02-08T20:33:51Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494135#M24677</link>
      <description>&lt;P&gt;I'll be happy to help with any issues you're having with the Dropbox API, but I'll need some more information. Please reply with:&lt;/P&gt;
&lt;UL&gt;
&lt;LI&gt;the name and version number of the platform and SDK/library you are using, if any&lt;/LI&gt;
&lt;LI&gt;the steps to reproduce the issue, including relevant code snippet(s), but don't include any access token(s)&lt;/LI&gt;
&lt;LI&gt;the full text of any error or unexpected output&lt;/LI&gt;
&lt;/UL&gt;</description>
      <pubDate>Fri, 05 Feb 2021 18:25:30 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494135#M24677</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2021-02-05T18:25:30Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494195#M24678</link>
      <description>&lt;P&gt;We are using a Texas Instruments CC3200 embedded arm controller.&amp;nbsp; The connection code is provided by TI and has been running for about 3 years with no problems.&amp;nbsp; The problem is reproducible on our devices just by bring up the device.&amp;nbsp; This worked 2 days ago and stopped working yesterday.&amp;nbsp; We did not write the OTA code.&amp;nbsp; Additionally no devices have been updated in many months.&amp;nbsp; Here is the error we receive:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;_ReadStatFile: ERROR in sl_FsOpen, status=-11&lt;BR /&gt;sl_extLib_OtaRun: call OtaClient_ConnectServer OTA server=api.dropbox.com&lt;BR /&gt;OtaClient_ConnectServer: http_connect_server api.dropbox.com&lt;BR /&gt;http_connect_server: ERROR Socket Connect, status=-208&lt;BR /&gt;OtaClient_ConnectServer: ERROR http_connect_server, status=-1&lt;BR /&gt;_OtaCleanToIdle: close OTA client and CDN client and back to IDLE&lt;BR /&gt;sl_extLib_OtaRunERROR: OtaClient_ConnectServer, status=-1&lt;BR /&gt;[00:00:14.0386] OTA run (-3)&lt;BR /&gt;[00:00:14.0389] OTA: Unable to connect to Server&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The error codes returned are defined here...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;#define SL_SOCKET_ERROR_E (-208) /* Error state on socket */&lt;/P&gt;&lt;P&gt;#define RUN_STAT_ERROR_CONNECT_OTA_SERVER -3&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Nearest we can tell the connection is not being set up.&amp;nbsp; This could mean that it is because the server is not seeing us, or is not responding to us.&amp;nbsp; Sadly the error messages provided by the library code are not a great help.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thank you for the help.&lt;/P&gt;</description>
      <pubDate>Fri, 05 Feb 2021 21:35:25 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494195#M24678</guid>
      <dc:creator>flygecko</dc:creator>
      <dc:date>2021-02-05T21:35:25Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494202#M24679</link>
      <description>&lt;P&gt;I see, thanks for the information. Do you know if your HTTPS client does or doesn't support SNI? HTTPS clients should handle that automatically, but if this one doesn't, that might be the cause here.&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 05 Feb 2021 22:02:10 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494202#M24679</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2021-02-05T22:02:10Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494203#M24680</link>
      <description>&lt;P&gt;The Texas Instruments CC3200 does not support SNI.&amp;nbsp; These systems worked flawlessly on Wednesday.&amp;nbsp; Has Server Name Indication become a requirement since then?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Vic&lt;/P&gt;</description>
      <pubDate>Fri, 05 Feb 2021 22:11:23 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494203#M24680</guid>
      <dc:creator>flygecko</dc:creator>
      <dc:date>2021-02-05T22:11:23Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494205#M24681</link>
      <description>&lt;P&gt;Thanks for confirming that. Yes, the&amp;nbsp;Dropbox API servers do now require SNI. I'm raising this with the team. I'll follow up here once I have an update on that.&lt;/P&gt;</description>
      <pubDate>Fri, 05 Feb 2021 22:14:06 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494205#M24681</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2021-02-05T22:14:06Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494207#M24682</link>
      <description>&lt;P&gt;Hardware support is required for this and the CC3200 will never be able to support this.&amp;nbsp; So, any help would be greatly appreciated.&lt;/P&gt;</description>
      <pubDate>Fri, 05 Feb 2021 22:22:18 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494207#M24682</guid>
      <dc:creator>flygecko</dc:creator>
      <dc:date>2021-02-05T22:22:18Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494311#M24686</link>
      <description>&lt;P&gt;&lt;SPAN&gt;The Dropbox API servers should no longer be requiring SNI. Please try again and let me know if you're still seeing any issues. Thanks!&lt;/SPAN&gt;&lt;/P&gt;</description>
      <pubDate>Sat, 06 Feb 2021 14:29:30 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494311#M24686</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2021-02-06T14:29:30Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494315#M24687</link>
      <description>&lt;P&gt;Hi Greg-DB,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp; Thank you so much, that did the trick.&amp;nbsp; All of our devices are now able to connect to the servers.&amp;nbsp; Is the turning off of SNI a permanent solution?&amp;nbsp; If not do you know when it will turn back on? If it will be turned back on we need to plan how to work around it.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Vic&lt;/P&gt;</description>
      <pubDate>Sat, 06 Feb 2021 14:53:13 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494315#M24687</guid>
      <dc:creator>flygecko</dc:creator>
      <dc:date>2021-02-06T14:53:13Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494737#M24691</link>
      <description>&lt;P&gt;&lt;a href="https://www.dropboxforum.com/t5/user/viewprofilepage/user-id/310694"&gt;@flygecko&lt;/a&gt;&amp;nbsp;The team is planning on keeping the current SNI-optional configuration. We do&amp;nbsp;recommend modernizing your client/libraries though, e.g., to support SNI, and the latest transport security protocols, etc.&lt;/P&gt;</description>
      <pubDate>Mon, 08 Feb 2021 16:33:30 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494737#M24691</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2021-02-08T16:33:30Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494743#M24695</link>
      <description>&lt;P&gt;&lt;a href="https://www.dropboxforum.com/t5/user/viewprofilepage/user-id/10"&gt;@Greg-DB&lt;/a&gt;&amp;nbsp;How do we make sure this is configured properly if this is an optional setting?&amp;nbsp; Thanks!&lt;/P&gt;</description>
      <pubDate>Mon, 08 Feb 2021 16:36:42 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494743#M24695</guid>
      <dc:creator>flygecko</dc:creator>
      <dc:date>2021-02-08T16:36:42Z</dc:date>
    </item>
    <item>
      <title>Re: Embedded device Over the Air download fails</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494747#M24698</link>
      <description>&lt;P&gt;&lt;a href="https://www.dropboxforum.com/t5/user/viewprofilepage/user-id/310694"&gt;@flygecko&lt;/a&gt;&amp;nbsp;The&amp;nbsp;Dropbox API servers now accept, but do not require, SNI from the client, so I don't have a good way to recommend for testing this. It generally should be done automatically by the client though. Please refer to your platform's documentation for information on how you might update your client to use SNI.&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 08 Feb 2021 16:42:21 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Embedded-device-Over-the-Air-download-fails/m-p/494747#M24698</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2021-02-08T16:42:21Z</dc:date>
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