Problem with Proxy authentication

[Justz]

Hi.
Have OPNsense 20.7.7_1-amd64 and want to setting authentication via local base.

Have two users in System - Access - Users:
root groups admins
user1 groups proxyusers

In last version of OPNsense  Assigned Privileges of Groups dont have "User - Proxy - Login" as i know, and it enable by defoult for any users.

When i use proxy login/password window popups, this ok.
If i loggin root all work, but if i loggin user1 access denied.

On Service - Web Proxy - Forward Proxy - Authentication method: Local Database

How can i find what checkbox or setting i forgot?

[Justz]

Trouble in

in OPNsense have User1/user1
Check in service its ok

When in Firefox i type User1/user1 on popup window in logs login lowcase user1 and denied.

If i use lowcase login password all work fine.

[SOLVED]