Installing the HTTP Based Authorization plug-in
- Download the nightly GeoServer community module from https://github.com/geoserver/geoserver/tree/2025.1/src/community/web-service-auth. - Warning - Make sure to match the version of the extension to the version of the GeoServer instance! 
Extract the contents of the archive into the
WEB-INF/libdirectory of the GeoServer installation.