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  <channel>
    <title>topic Re: Failed to download API since SSL handshake failed in Dropbox API Support &amp; Feedback</title>
    <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339584#M19703</link>
    <description>&lt;P&gt;Thanks for the report! I just tried the code in your post though, and it worked fine for me. Is there anything on your network connection, e.g., proxy, firewall, etc., that may be interfering with your connection to content.dropboxapi.com in particular? (For comparison, /2/files/list_folder and /2/files/delete_v2 operate on api.dropboxapi.com.)&lt;/P&gt;
&lt;P&gt;If you're still seeing this and there isn't anything on your network connection that's blocking the connection, please let me know the following so we can look into it:&lt;/P&gt;
&lt;UL dir="auto"&gt;
&lt;LI&gt;the version number of curl you have installed&lt;/LI&gt;
&lt;LI&gt;the output of the following command from an affected machine&lt;/LI&gt;
&lt;/UL&gt;
&lt;P&gt;&lt;SPAN&gt;Mac/Linux:&lt;/SPAN&gt;&lt;/P&gt;
&lt;PRE&gt;traceroute content.dropboxapi.com&lt;/PRE&gt;
&lt;P&gt;&lt;SPAN&gt;Windows:&lt;/SPAN&gt;&lt;/P&gt;
&lt;PRE&gt;tracert content.dropboxapi.com&lt;/PRE&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Mon, 15 Apr 2019 18:13:58 GMT</pubDate>
    <dc:creator>Greg-DB</dc:creator>
    <dc:date>2019-04-15T18:13:58Z</dc:date>
    <item>
      <title>[Solved]Failed to download API since SSL handshake failed</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339543#M19699</link>
      <description>&lt;P&gt;Hi&lt;BR /&gt;In my application, Dropbox download API as below is failed, this API could work correctly till last week&lt;BR /&gt;&lt;BR /&gt;Download API:&lt;BR /&gt;&lt;A href="https://content.dropboxapi.com/2/files/download" target="_blank" rel="noopener"&gt;https://content.dropboxapi.com/2/files/download&lt;/A&gt;&lt;/P&gt;&lt;P&gt;I made sure this cURL command also. Below is failure log, how can I resolve this problem?&lt;BR /&gt;&lt;BR /&gt;Command&lt;BR /&gt;C:\Users\aaa\Dropbox\folder1&amp;gt;curl -s -v --tlsv1.2 -X POST &lt;A href="https://content.dropboxapi.com/2/files/download" target="_blank" rel="noopener"&gt;https://content.dropboxapi.com/2/files/download&lt;/A&gt; --header "Authorization: Bearer &amp;lt;access token&amp;gt;" --header "Dropbox-API-Arg: {\"path\": \"/test/foo.tif\"}" -o foo.tif&lt;BR /&gt;* Trying 162.125.4.8...&lt;BR /&gt;* TCP_NODELAY set&lt;BR /&gt;* Connected to content.dropboxapi.com (162.125.4.8) port 443 (#0)&lt;BR /&gt;* schannel: SSL/TLS connection with content.dropboxapi.com port 443 (step 1/3)&lt;BR /&gt;* schannel: checking server certificate revocation&lt;BR /&gt;* schannel: sending initial handshake data: sending 187 bytes...&lt;BR /&gt;* schannel: sent initial handshake data: sent 187 bytes&lt;BR /&gt;* schannel: SSL/TLS connection with content.dropboxapi.com port 443 (step 2/3)&lt;BR /&gt;* schannel: failed to receive handshake, SSL/TLS connection failed&lt;BR /&gt;* Closing connection 0&lt;BR /&gt;* schannel: shutting down SSL/TLS connection with content.dropboxapi.com port 443&lt;BR /&gt;* Send failure: Connection was reset&lt;BR /&gt;* schannel: failed to send close msg: Failed sending data to the peer (bytes written: -1)&lt;BR /&gt;* schannel: clear security context handle&lt;BR /&gt;&lt;BR /&gt;Other API such as&amp;nbsp;/list_folder and&amp;nbsp;files/delete_v2 can work correctly withou TLS error&lt;/P&gt;</description>
      <pubDate>Wed, 29 May 2019 09:06:57 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339543#M19699</guid>
      <dc:creator>taii</dc:creator>
      <dc:date>2019-05-29T09:06:57Z</dc:date>
    </item>
    <item>
      <title>Re: Failed to download API since SSL handshake failed</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339584#M19703</link>
      <description>&lt;P&gt;Thanks for the report! I just tried the code in your post though, and it worked fine for me. Is there anything on your network connection, e.g., proxy, firewall, etc., that may be interfering with your connection to content.dropboxapi.com in particular? (For comparison, /2/files/list_folder and /2/files/delete_v2 operate on api.dropboxapi.com.)&lt;/P&gt;
&lt;P&gt;If you're still seeing this and there isn't anything on your network connection that's blocking the connection, please let me know the following so we can look into it:&lt;/P&gt;
&lt;UL dir="auto"&gt;
&lt;LI&gt;the version number of curl you have installed&lt;/LI&gt;
&lt;LI&gt;the output of the following command from an affected machine&lt;/LI&gt;
&lt;/UL&gt;
&lt;P&gt;&lt;SPAN&gt;Mac/Linux:&lt;/SPAN&gt;&lt;/P&gt;
&lt;PRE&gt;traceroute content.dropboxapi.com&lt;/PRE&gt;
&lt;P&gt;&lt;SPAN&gt;Windows:&lt;/SPAN&gt;&lt;/P&gt;
&lt;PRE&gt;tracert content.dropboxapi.com&lt;/PRE&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 15 Apr 2019 18:13:58 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339584#M19703</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2019-04-15T18:13:58Z</dc:date>
    </item>
    <item>
      <title>Re: Failed to download API since SSL handshake failed</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339728#M19710</link>
      <description>&lt;P&gt;Hi, Greg&lt;/P&gt;&lt;P&gt;Thank you for your comment and helping.&lt;/P&gt;&lt;P&gt;I made sure my company block list and this shows "content.dropboxapi.com" and after opening this, I can download.&lt;/P&gt;&lt;P&gt;Best Ragards.&lt;/P&gt;&lt;P&gt;tai&lt;/P&gt;</description>
      <pubDate>Tue, 16 Apr 2019 14:27:05 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Solved-Failed-to-download-API-since-SSL-handshake-failed/m-p/339728#M19710</guid>
      <dc:creator>taii</dc:creator>
      <dc:date>2019-04-16T14:27:05Z</dc:date>
    </item>
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