Article 53TEB Samba 4.4.16: the 'idmap uid | gid | backend' option is deprecated. It's a problem? How do I fix it?

Samba 4.4.16: the 'idmap uid | gid | backend' option is deprecated. It's a problem? How do I fix it?

by
cesarsj
from LinuxQuestions.org on (#53TEB)
As I'm getting a ready-made configuration, I would like to understand:

The manual, available at link, says:

"The idmap uid parameter specifies the range of user ids for the default idmap configuration. It is now deprecated in favour of idmap config * : range.",
"The idmap gid parameter specifies the range of group ids for the default idmap configuration. It is now deprecated in favour of idmap config * : range."
and
"This option specifies the default backend that is used when no special configuration set, but it is now deprecated in favour of the new spelling idmap config * : backend."

What are these parameters for? If they are obsolete, are they not working?

In the configuration file is also 'security = user', and the link says to leave 'security = ADS', if I am going to change the obsolete parameters.

PS:
I noticed these messages while trying to find what is causing several active connections nobody coming from Windows 10 machines.latest?d=yIl2AUoC8zA latest?i=rrtWyBg5ybw:cc9-gcyP-K0:F7zBnMy latest?i=rrtWyBg5ybw:cc9-gcyP-K0:V_sGLiP latest?d=qj6IDK7rITs latest?i=rrtWyBg5ybw:cc9-gcyP-K0:gIN9vFwrrtWyBg5ybw
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