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Forum Discussion

Здравко's avatar
Здравко
Legendary | Level 20
5 months ago

Why is my ISP network banned from accessing Dropbox?

Hello all,

Has there some restrictions set? I suddenly cannot reach to Dropbox using one of my ISP:

 ... 🤔 Why? As seems I'm not banned (nor my account)... The above appears with particular network connection only though I can reach the site, but the site "cuts" me. 🤷

Dropbox discriminates this link. Why?

  • Jay's avatar
    Jay
    Icon for Dropbox Staff rankDropbox Staff

    Hi Здравко, thanks for messaging the Community.

     

    Currently, we're not experiencing any issues with users accessing the Dropbox site.

     

    If it's specific to one ISP, then you'll need to check with them to see that they haven't blocked traffic to the following Dropbox domains.

     

    If you have any further queries, feel free to message back.

    • Здравко's avatar
      Здравко
      Legendary | Level 20

      Jay, if the traffic was blocked, would such a message even be visible? It's Dropbox generated! More precisely Dropbox forum. If the traffic was blocked, I would never see it!!!

      And yes, the above appear only when I use link through https://www.vivacom.bg/. Does Dropbox has some some argues with? Dropbox cuts the link!!!

       

      PS: Till yesterday everything was fine. I just discover the issue. Something happened on your side in meantime.

       

      ADD: More information about the "blocked" network traffic (I hope will be useful for your engineers to trace what's going on):

       

      GET / HTTP/2
      Host: www.dropboxforum.com
      User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
      Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/png,image/svg+xml,*/*;q=0.8
      Accept-Language: bg,en-US;q=0.7,en;q=0.3
      Accept-Encoding: gzip, deflate, br, zstd
      DNT: 1
      Sec-GPC: 1
      Connection: keep-alive
      Upgrade-Insecure-Requests: 1
      Sec-Fetch-Dest: document
      Sec-Fetch-Mode: navigate
      Sec-Fetch-Site: none
      Sec-Fetch-User: ?1
      Priority: u=0, i
      Pragma: no-cache
      Cache-Control: no-cache

       

      HTTP/2 302
      content-length: 0
      location: https://www.dropboxforum.com:443/t5/errors/FilterErrorHandlerPage
      date: Thu, 18 Jul 2024 12:34:42 GMT
      set-cookie: ...
      set-cookie: ...
      server: Apache
      pragma: no-cache
      expires: Thu, 01 Jan 1970 00:00:00 GMT
      cache-control: no-cache, no-store, must-revalidate, private
      set-cookie: LiSESSIONID=89D76000DB79839D4E17945746AAFB73; Path=/; Secure; HttpOnly;SameSite=None
      set-cookie: ...
      set-cookie: ...
      set-cookie: ...
      x-cache: Miss from cloudfront
      via: 1.1 19cd9c9f4eb51e9e5c75add1d4b6f304.cloudfront.net (CloudFront)
      x-amz-cf-pop: VIE50-C2
      x-amz-cf-id: Y2KQ9s_fxuLSY1z9nbd0gM92_zn33OhpcBVsW2cWs_scoPxON7G-Kw==
      X-Firefox-Spdy: h2

       

      GET /t5/errors/FilterErrorHandlerPage HTTP/2
      Host: www.dropboxforum.com
      User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
      Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/png,image/svg+xml,*/*;q=0.8
      Accept-Language: bg,en-US;q=0.7,en;q=0.3
      Accept-Encoding: gzip, deflate, br, zstd
      DNT: 1
      Sec-GPC: 1
      Connection: keep-alive
      Cookie: ...
      Upgrade-Insecure-Requests: 1
      Sec-Fetch-Dest: document
      Sec-Fetch-Mode: navigate
      Sec-Fetch-Site: none
      Sec-Fetch-User: ?1
      Priority: u=0, i
      Pragma: no-cache
      Cache-Control: no-cache
      TE: trailers

       

      HTTP/2 403
      content-type: text/html;charset=UTF-8
      date: Thu, 18 Jul 2024 12:34:42 GMT
      set-cookie: ...
      set-cookie: ...
      server: Apache
      x-frame-options: SAMEORIGIN
      pragma: no-cache
      expires: Thu, 01 Jan 1970 00:00:00 GMT
      cache-control: no-cache, no-store, must-revalidate, private
      x-robots-tag: noindex, nofollow
      set-cookie: ...
      x-cache: Error from cloudfront
      via: 1.1 19cd9c9f4eb51e9e5c75add1d4b6f304.cloudfront.net (CloudFront)
      x-amz-cf-pop: VIE50-C2
      x-amz-cf-id: P_EBJ_TijmRuYepv3i7mlvpDOdG_QZq2n0xF5rKB3QewnLS3FCJO-A==
      X-Firefox-Spdy: h2

       

      And as result of above "blocked" traffic finally appears the page in OP. Only the cookies has cut.

      That's it.

       

      Sheena, As far as know, you are part of forum support tech team. Can you share some thoughts about where that redirect to error page comes from (visible above in the traffic dump, in the first request response)? 🙏😳

      • Sheena's avatar
        Sheena
        Icon for Community Manager rankCommunity Manager

        Hi Здравко , thanks for letting us know. Our community is hosted by a 3rd party vendor, and since this is one ISP affected I would guess that there is a temporary block due to high traffic or something to that effect. Especially as it was working for you just yesterday, I believe that it will work again very soon.

         

        I have logged a ticket with our community host to check on their side if there's any issues, and I'll post back here when I know more. If it does start working again in the meantime, please let me know so we can check the logs.

         

        Thanks again!

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