Authentication as root is required

Hi, there!
When I open Networks icon from the system try or when a try to shutdown by mean KDE Connect, authentication as root is required.
How can prevent the system require root password every time?
Thank you in davance.

Configure your network to be allowed by all users.
It is a checkbox in networkmanager per connection.

The checkbox is checked! All networks are allowed for all users.

How do you mean? KDE Connect is interaction with your phone / tablet.

I think you are being asked for the WiFi passphrase, but that is my gut feeling.

When I try power off the system by mean KDE Connect, in the PC with openSuse Tumbleweed pop ups a window asking the root password.
I f I write the root password the system goes off.

This sounds like some polkit or sudo configuration is messed up. Does the same happen with a fresh user profile?

Speculating here…the OP hasn’t changed the security permissions settings perhaps?

What does the following report?
sudo permctl --system

https://en.opensuse.org/openSUSE:Security_Documentation

adrian@faraday:~> sudo permctl --system
Checking permissions and ownerships - using the permissions files
        /usr/share/permissions/permissions
        /usr/share/permissions/permissions.easy
        /usr/share/permissions/permissions.d/shadow
        /etc/permissions.d/postfix
        /etc/permissions.local
adrian@faraday:~> 

That checks out as expected.

Any polkit overrides?
sudo ls /etc/polkit-1/rules.d/
sudo grep -RniA2 org.freedesktop.NetworkManager /etc/polkit-1/rules.d/

adrian@faraday:~> sudo ls /etc/polkit-1/rules.d/
[sudo] password for adrian: 
90-default-privs.rules
adrian@faraday:~> sudo grep -RniA2 org.freedesktop.NetworkManager /etc/polkit-1/rules.d/
/etc/polkit-1/rules.d/90-default-privs.rules:318:               'org.freedesktop.NetworkManager.checkpoint-rollback':
/etc/polkit-1/rules.d/90-default-privs.rules-319-                       [ 'auth_admin_keep', 'auth_admin_keep', 'auth_admin_keep' ],
/etc/polkit-1/rules.d/90-default-privs.rules:320:               'org.freedesktop.NetworkManager.enable-disable-connectivity-check':
/etc/polkit-1/rules.d/90-default-privs.rules-321-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:322:               'org.freedesktop.NetworkManager.enable-disable-network':
/etc/polkit-1/rules.d/90-default-privs.rules-323-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:324:               'org.freedesktop.NetworkManager.enable-disable-statistics':
/etc/polkit-1/rules.d/90-default-privs.rules-325-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:326:               'org.freedesktop.NetworkManager.enable-disable-wifi':
/etc/polkit-1/rules.d/90-default-privs.rules-327-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:328:               'org.freedesktop.NetworkManager.enable-disable-wimax':
/etc/polkit-1/rules.d/90-default-privs.rules-329-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:330:               'org.freedesktop.NetworkManager.enable-disable-wwan':
/etc/polkit-1/rules.d/90-default-privs.rules-331-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:332:               'org.freedesktop.NetworkManager.network-control':
/etc/polkit-1/rules.d/90-default-privs.rules-333-                       [ 'no', 'no', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:334:               'org.freedesktop.NetworkManager.reload':
/etc/polkit-1/rules.d/90-default-privs.rules-335-                       [ 'auth_admin_keep', 'auth_admin_keep', 'auth_admin_keep' ],
/etc/polkit-1/rules.d/90-default-privs.rules:336:               'org.freedesktop.NetworkManager.settings.modify.global-dns':
/etc/polkit-1/rules.d/90-default-privs.rules-337-                       [ 'auth_admin_keep', 'auth_admin_keep', 'auth_admin_keep' ],
/etc/polkit-1/rules.d/90-default-privs.rules:338:               'org.freedesktop.NetworkManager.settings.modify.hostname':
/etc/polkit-1/rules.d/90-default-privs.rules-339-                       [ 'auth_admin', 'auth_admin', 'auth_admin' ],
/etc/polkit-1/rules.d/90-default-privs.rules:340:               'org.freedesktop.NetworkManager.settings.modify.own':
/etc/polkit-1/rules.d/90-default-privs.rules-341-                       [ 'auth_admin_keep', 'auth_admin_keep', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:342:               'org.freedesktop.NetworkManager.settings.modify.system':
/etc/polkit-1/rules.d/90-default-privs.rules-343-                       [ 'auth_admin_keep', 'auth_admin_keep', 'auth_admin_keep' ],
/etc/polkit-1/rules.d/90-default-privs.rules:344:               'org.freedesktop.NetworkManager.sleep-wake':
/etc/polkit-1/rules.d/90-default-privs.rules-345-                       [ 'no', 'no', 'no' ],
/etc/polkit-1/rules.d/90-default-privs.rules:346:               'org.freedesktop.NetworkManager.wifi.scan':
/etc/polkit-1/rules.d/90-default-privs.rules-347-                       [ 'auth_admin', 'yes', 'yes' ],
/etc/polkit-1/rules.d/90-default-privs.rules:348:               'org.freedesktop.NetworkManager.wifi.share.open':
/etc/polkit-1/rules.d/90-default-privs.rules-349-                       [ 'auth_admin', 'auth_admin', 'auth_admin' ],
/etc/polkit-1/rules.d/90-default-privs.rules:350:               'org.freedesktop.NetworkManager.wifi.share.protected':
/etc/polkit-1/rules.d/90-default-privs.rules-351-                       [ 'auth_admin', 'auth_admin', 'auth_admin' ],
/etc/polkit-1/rules.d/90-default-privs.rules-352-               'org.freedesktop.RealtimeKit1.acquire-high-priority':
adrian@faraday:~> 

Looks quite normal IMHO.

And how about this:

zypper se "sudo-policy-wheel-auth-self" "run0-wrappers"


S  | Name                        | Summary                                                 | Type
---+-----------------------------+---------------------------------------------------------+--------
   | run0-wrappers               | Configs and scripts to simulate some sudo and su beha-> | package
i+ | sudo-policy-wheel-auth-self | Users in the wheel group can authenticate as admin      | package

See also Can't open root tools using xfce - #11 by freak