Sonarr and Rarbg Error HTTP 520

Sonarr version (exact version): 3.0.9
Mono version (if Sonarr is not running on Windows): No idea, I’m using Ultra Seedbox
Debug logs: 2023-01-24 06:28:10.3|Warn|Rarbg|Unable to connect to indexer

[v3.0.9.1549] NzbDrone.Common.Http.HttpException: HTTP request failed: [520:520] [GET] at []
at NzbDrone.Common.Http.HttpClient.Execute (NzbDrone.Common.Http.HttpRequest request) [0x00154] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Common\Http\HttpClient.cs:105
at NzbDrone.Core.Indexers.HttpIndexerBase1[TSettings].FetchIndexerResponse (NzbDrone.Core.Indexers.IndexerRequest request) [0x00069] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\HttpIndexerBase.cs:323 at NzbDrone.Core.Indexers.HttpIndexerBase1[TSettings].FetchPage (NzbDrone.Core.Indexers.IndexerRequest request, NzbDrone.Core.Indexers.IParseIndexerResponse parser) [0x00000] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\HttpIndexerBase.cs:299
at NzbDrone.Core.Indexers.HttpIndexerBase`1[TSettings].TestConnection () [0x00044] in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\HttpIndexerBase.cs:344 | 520: Web server is returning an unknown error
<div id="cf-error-details" class="p-0">
    <header class="mx-auto pt-10 lg:pt-6 lg:px-8 w-240 lg:w-full mb-8">
        <h1 class="inline-block sm:block sm:mb-2 font-light text-60 lg:text-4xl text-black-dark leading-tight mr-2">
          <span class="inline-block">Web server is returning an unknown error</span>
          <span class="code-label">Error code 520</span>
           Visit <a href="" target="_blank" rel="noopener noreferrer"></a> for more information.
        <div class="mt-3">2023-01-24 05:28:10 UTC</div>
    <div class="my-8 bg-gradient-gray">
        <div class="w-240 lg:w-full mx-auto">
            <div class="clearfix md:px-8">
<span class="cf-icon-browser block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-ok w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>




<span class="cf-icon-server block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-error w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>



    <div class="w-240 lg:w-full mx-auto mb-8 lg:px-8">
        <div class="clearfix">
            <div class="w-1/2 md:w-full float-left pr-6 md:pb-10 md:pr-0 leading-relaxed">
                <h2 class="text-3xl font-normal leading-1.3 mb-4">What happened?</h2>
                <p>There is an unknown connection issue between Cloudflare and the origin web server. As a result, the web page can not be displayed.</p>
            <div class="w-1/2 md:w-full float-left leading-relaxed">
                <h2 class="text-3xl font-normal leading-1.3 mb-4">What can I do?</h2>
                      <h3 class="text-15 font-semibold mb-2">If you are a visitor of this website:</h3>
  <p class="mb-6">Please try again in a few minutes.</p>

  <h3 class="text-15 font-semibold mb-2">If you are the owner of this website:</h3>
  <p><span>There is an issue between Cloudflare's cache and your origin web server. Cloudflare monitors for these errors and automatically investigates the cause. To help support the investigation, you can pull the corresponding error log from your web server and submit it our support team.  Please include the Ray ID (which is at the bottom of this error page).</span> <a rel="noopener noreferrer" href="">Additional troubleshooting resources</a>.</p>

    <div class="cf-error-footer cf-wrapper w-240 lg:w-full py-10 sm:py-4 sm:px-8 mx-auto text-center sm:text-left border-solid border-0 border-t border-gray-300">

Cloudflare Ray ID: 78e65d381a7fb74c Your IP: Click to reveal Performance & security by Cloudflare


Description of issue: From nowhere, I started getting HTTP 520 error. It looks like is related with Cloudflare. Anyone facing the same issue?

I am getting the same response error. I am running a Docker version of Sonarr on a Synology NAS.

Same issue here, running Sonarr on a Windows PC

Seems like this thread and this are related.

Has anyone found a solution to this issue yet?

I keep having this issue, unfortunately.
@markus101 Is there anything that can be done?

Looks like it doesn’t matter anymore. RARBG is dead :sob: .

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