[cups] Authentication Problem

[Dennis Putnam]

On 11/20/2020 9:02 AM, Dennis Putnam wrote:
> On 11/19/2020 7:27 PM, Bryan Mason wrote:
>> On Thu, 2020-11-19 at 09:52 -0500, Dennis Putnam wrote:
>>> I have set up an SMB printer (CentOS 7) but am having trouble with
>>> authentication. When I submit a job, the queue shows it is being held
>>> for authentication. There seems to be no way to authenticate but in
>>> any case I want users to be able to print with no authentication. I
>>> cannot figure out how to configure cupsd.conf to remove the
>>> authentication requirement.
>> It's not in cupsd.conf because it's a printer setting.  Try:
>>
>>      lpadmin -p <queue-name> -o auth-info-required=none
>>
>> This should change the printer setting to not require authentication.
>>   But you will also need to configure the Windows server to not require
>> authentication to access the printer share.  If Windows requires
>> authentication, then CUPS will still hold the job for authentication
>> and will change auth-info-required back to username,password.
>>
>> ~ Bryan
>>
>> _______________________________________________
>>
> Hi Bryan,
>
> Thanks for the reply. I never would have figured that out. However, I 
> have something strange going on. The printer name is "Epson". When I 
> do an 'lpstat' I get 2 printers listed (Epson-12, Epson-13) but 
> neither is "Epson". When I look at 'system-config-printers' I see just 
> the printer "Epson". If I issue the command
>
> sudo lpadmin -p Epson -o auth-info-required=none
>
> I get no error (which I expected since it does not seem to exist) but 
> neither does anything change.
>
> I am guessing that my problem is related to the printer not showing up 
> in 'lpstat' but I have no clue where the 12 and 13 are coming from or 
> what could be wrong. Did I perhaps mess up my cups.conf with the 
> changes I made?
Here is some clarification. I get those two odd printers when I do 
'lpstat' as the logged in user. If I do 'sudo lpstat', nothing shows up. 
I cannot delete those printers as 'lpadmin -x' says they do not exist. 
Something is seriously messed up.

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