>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2787067. --> Reported by: [marcoka](https://www.drupal.org/user/255202) >>> <p>I added some questions i found when testing.</p> <p>Host: What do i add here? The server the drupal i want to monitor is installed on? There is no field for an url or ip. </p> <p>What exactly do i have to enter in the Header Key/Value fields in general?</p> <p>Core: I added a core and added the url the site is avaliable at like "<a href="http://www.site.de">http://www.site.de</a>". Then the verifying url ajax loader showed up. No Button appeared.</p> <p>On <a href="http://www.site.de">http://www.site.de</a> (D7) i have installed drd_server<br> My D8 drd installation is running on my localhost/linux</p>