diff --git a/admin_manual/installation/harden_server.rst b/admin_manual/installation/harden_server.rst
index 6c5b74f16..cdfc07a95 100644
--- a/admin_manual/installation/harden_server.rst
+++ b/admin_manual/installation/harden_server.rst
@@ -236,15 +236,18 @@ security headers are shipped.
 Connections to remote servers
 -----------------------------
 
-Some Nextcloud functionality requires connecting to remote servers. Depending on 
-your server setup those are possible connections:
+Some Nextcloud functionalites require connecting to remote servers. Depending on 
+your server setup, these are the possible connections:
 
 - www.nextcloud.com, www.startpage.com, www.eff.org, www.edri.org for checking the internet connection
-- apps.nextcloud.com for the available apps
-- updates.nextcloud.com for Nextcloud updates
-- lookup.nextcloud.com For updating and lookup in the federated sharing addressbook
-- push-notifications.nextcloud.com for sending push notifications to mobile clients
-- surveyserver.nextcloud.com if the admin has agreed to share anonymized data
+- cloud.nextcloud.com (https) for validating the enterprise subscription
+- updates.nextcloud.com (https) for Nextcloud server updates
+- push-notifications.nextcloud.com (https) for sending push notifications to mobile clients
+- pushfeed.nextcloud.com (https) for the Nextcloud announcements app
+- lookup.nextcloud.com (https) for updating and lookups to the federated sharing addressbook
+- surveyserver.nextcloud.com (https) if the admin has agreed to share anonymized data
+- apps.nextcloud.com (https) for available apps and their updates 
+- github.com (https) for downloading Nextcloud standard apps
 - Any remote Nextcloud server that is connected with federated sharing
 
 Setup fail2ban