When changing "User Authentication Source" at VPN: IPsec: Mobile Clients from Local Database to an LDAP Server, the
strongswan service needs restarted.
The GUI prompts
Quote
The IPsec tunnel configuration has been changed.
You must apply the changes in order for them to take effect.
Upon clicking the "Apply Changes" button, nothing happens. The administrator must manually restart the
strongswan. The expected behavior (based on the GUI prompt) is for the service to restart and the changes to be effective immediately.