We have configured Site Scan LE with our MDM (Mobile Devce Mgmt) platform (Citrix) to use with ArcGIS Enterprise behind a firewall using a per-app VPN on iOS and it’s working as expected and can connect.
It would be great if the app supported MDM appconfig parameters like the other Esri mobile apps, at a minimum/specifically portalURL so this was configured by default when deploying without users having to enter it manually.
The Field Maps useinappauth mechanism would also be preferred as it limits the need for allowing global device safari domains, by using a web clip for the authentication popup. This is also a cleaner user experience - hopefully this becomes standard across all Esri mobile apps .