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?
			
			
			
				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]