...ain/java/org/olat/admin/site/ui/SitesAdminController.java

.../org/olat/admin/site/ui/SitesConfigurationController.java

...java/org/olat/core/gui/control/_spring/sitedefContext.xml

...t/core/gui/control/navigation/AbstractSiteDefinition.java

...lat/core/gui/control/navigation/AbstractSiteInstance.java

...lat/core/gui/control/navigation/SiteSecurityCallback.java

...core/gui/control/navigation/SiteViewSecurityCallback.java

...ui/control/navigation/callback/AdminSecurityCallback.java

...trol/navigation/callback/DefaultSecurityCallbackImpl.java

...control/navigation/callback/DisabledSecurityCallback.java

...control/navigation/callback/ManagersSecurityCallback.java

...on/callback/RegistredUserGuestTeaserSecurityCallback.java

...ol/navigation/callback/RegistredUserSecurityCallback.java

...on/callback/SiteSecurityCallbackWithRolesRestriction.java

src/main/java/org/olat/course/site/CourseSiteDef.java

...va/org/olat/course/site/ui/CourseSiteAdminController.java