When authenticating as a server, allow the anonymous authentication method.
Perform authentication against server.
When authenticating as a server, require the UID of the peer to be the same as the UID of the server. (Since: 2.68)
Perform authentication against client.
If set, processing of D-Bus messages is delayed until g_dbus_connection_start_message_processing() is called.
Pass this flag if connecting to a peer that is a message bus. This means that the Hello() method will be invoked as part of the connection setup.
No flags set.
Flags used when creating a new #GDBusConnection.