oc_ca_file = "/etc/openconnect/ca-" .. ifc .. ".pem"
server = section:taboption("general", Value, "server", translate("VPN Server"))
-server.datatype = "host"
+server.datatype = "host(0)"
port = section:taboption("general", Value, "port", translate("VPN Server port"))
port.placeholder = "443"