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Marcos Paris's avatar
Marcos Paris
Explorer | Level 4
4 years ago

I can't download files by command

Download files with wget   Hello gentlemen of the community. I have a problem. I've been using "wget" since June 2021 to download a file and since then everything has been fine. But this morn...
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Greg-DB's avatar
Greg-DB
Icon for Dropbox Community Moderator rankDropbox Community Moderator
4 years ago

Marcos Paris To debug this, try running this with "-v" instead of "-q". That should enable more verbose output that should help identify the issue.

Marcos Paris's avatar
Marcos Paris
Explorer | Level 4
4 years ago

Good Greg-DB!

 

1) Changing the -q to -v, you have already validated the Dropbox link and located the path of the file "DADOS.7z"

2) We now know there was a 100% connection to Dropbox.

3) Here's the problem:

 

It asks to open the SSL certificate, but gives an alert protocol version. Unable to establish SSL connection and abort.

After that I tried removing the command "--no-check-certificate", but we have the same behavior described above.

It's a little deeper.

 

This was the execution response:

 

--2022-04-20 19:49:49-- https://www.dropbox.com/s/2kpb6e3fs5wmigw/DADOS.7z
Resolving www.dropbox.com... 162.125.5.18
Connecting to www.dropbox.com|162.125.5.18|:443... connected.
OpenSSL: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version
Unable to establish SSL connection.


Thank you so much for your help and let's get there!!!
Marcos Paris

  • Greg-DB's avatar
    Greg-DB
    Icon for Dropbox Community Moderator rankDropbox Community Moderator
    4 years ago

    Thanks, that error indicates an issue establishing the TLS connection. Specifically, it looks like wget is attempting to use TLS 1.0, but Dropbox recently retired support for TLS 1.0 and 1.1. The Dropbox servers now only support connections using TLS 1.2. You'll need to update your app/network client/environment to use TLS 1.2 in order to make this request. For instance, you may need to refer to the documentation for 'wget'.

     
    • Marcos Paris's avatar
      Marcos Paris
      Explorer | Level 4
      4 years ago

      Hello Greg-DB,

       

      I checked the "Wget" documentation and there I found the command that validates this Dropbox update to support connections using TLS 1.2. that you spoke.

       

      Below is the command that resolves the connection:
      wget --secure-protocol=TLSv1_2

       

      Your help was extremely accurate and very important in solving my problem.
      This is a type of occurrence that demands a much finer abstraction, and finding the solution alone would be almost impossible.

      Your stance is compatible with empathy, but I think it has more to do with compassion, because it's putting yourself in the other's shoes and sharing a solution.

       

      Thank you so much Greg-DB and may God always do justice in your life.

      To its success for circulation in 2022.
      Marcos Paris from Brazil

      • AlaDave's avatar
        AlaDave
        Explorer | Level 4
        3 years ago

        >>wget --secure-protocol=TLSv1_2

         

        Thank you for posting this answer. It was super helpful!

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