TYPO3 Exception 1588095935¶

Note

Below, the TYPO3 community may have provided additional information or solutions for this exception. However, these may or may not apply to your particular case. If you can provide more information, you should come back here and add your experience and solution steps to this issue once you have resolved it.

General TYPO3 troubleshooting tips can be found in the section "Troubleshooting" of the menu, and live support is available in the TYPO3 Slack channel #typo3-cms. (See How to get your TYPO3 Slack account.)

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TYPO3\CMS\Core\Http\Security\MissingReferrerException¶

#1588095935 TYPO3\CMS\Core\Http\Security\MissingReferrerException
Missing referrer for /main

This error occurs when logging into the backend or install tool and is triggered by a failed check of a referer header.

The reason for this is the usage of an HTTP proxy, for example a reverse proxy to an encapsulated system without sufficient header delegation.

Solution¶

The feature was introduced due to potential security risks, visit the related security advisory for more information.

The feature can be enabled or disabled in Admin Tools > Settings > Configure Installation-Wide Options > System > [SYS][features][security.backend.enforceReferrer].

It is recommended that you keep this feature enabled.