<div dir="ltr">This might be a long shot, you could give the browser a UUID, which you encrypt on the server, and send to the client as a localStorage using:<br><br><a href="https://github.com/zendesk/cross-storage">https://github.com/zendesk/cross-storage</a> <br><div><br></div><div>Then using a combination of $.ajaxSetup and hooks, you can verify your user's identity.</div><div><br></div><div><br></div><div>Jawn</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 3 Jun 2020 at 04:12, Kenneth Ölwing <<a href="mailto:kenneth@olwing.se" target="_blank">kenneth@olwing.se</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
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    <p>PMFJI, I honestly don't really know crap about it, but my
      immediate reaction was to google for 'cross domain cookies' which
      gives a lot of seemingly useful hits...</p>
    <p>Definitively just a wild guess, so if it helps it helps,
      otherwise disregard...:-)</p>
    <p>ken1<br>
    </p>
    <div>On 2020-06-02 08:34, Gabor Szabo wrote:<br>
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      <div dir="ltr">Hi,
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                <div>I run both the Perl Maven site <a href="http://perlmaven.com/" target="_blank">https://perlmaven.com/</a>
                  and the Code Maven site <a href="http://code-maven.com/" target="_blank">https://code-maven.com/</a>
                  on the same Dancer2 application. They even share the
                  database behind.</div>
                <div>Both also have several language-specific hostnames.
                  e.g. one in Telugu: <a href="https://te.perlmaven.com/" target="_blank">https://te.perlmaven.com/</a></div>
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                <div>I would like to allow my users to log in any of the
                  sites and then be already logged in all of the others.
                  So they won't need to authenticate again.<br>
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                <div>How could I achieve this?</div>
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                <div>Gabor<br>
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