Jira Fails due to Encountered a 403 Forbidden error loading this page
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Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
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When accessing Jira in the browser after starting up, it fails and displays the following error:
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Forbidden (403)
Encountered a 403 - Forbidden error while loading this page.Solution
Jira Behind Proxy with Basic Auth
The cause is that the Jira instance is sitting behind a proxy and using basic authentication.
To fix it, add the line, RequestHeader unset Authorization, to the Apache proxy configuration block to remove the authorization header.
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<Location /jira>
RequestHeader unset Authorization
ProxyPreserveHost On
ProxyPass /jira http://otherhost/jira
ProxyPassReverse /jira http://otherhost/jira
</Location>ℹ️ Don't forget to add themod_headers module, otherwise, the authorization header may not work properly.
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