Unable to sign in with correct credentials

This error appears when the browser's session cookie cannot be set. The most common cause is a misconfigured DEFGUARD_URL.

In version 2.0

DEFGUARD_URL is deprecated. The instance URL is now configured through the web UI. Go to Settings in the Defguard interface and verify the Instance URL field. It must match the URL you are accessing Defguard from, including the correct scheme (https:// vs http://).

If the value is wrong, the server will set the session cookie with an incorrect domain or path, causing the browser to reject or discard it.

HTTP (non-TLS) deployments

If you are accessing Defguard over plain http:// (for example, in a local or development environment), you need to configure auth cookie settings to allow non-secure cookies. See the Auth cookies configurationarrow-up-right documentation for the required settings.

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