Permission denied UNIX perms appear ok (ACL/MAC wrong?))

[Austin Witmer]

Hello all!

My strange permission errors in my log files seem to have disappeared. The only thing I can think of that I changed was mounting my encrypted folder without using sudo. Example “gocryptfs -allow_other cipher plain” instead of "sudo gocryptfs -allow_other cipher plain”.

Thanks to all of you for your help and suggestions!

Austin Witmer


> On Aug 21, 2022, at 10:03 AM, Remo Mattei <rm at rm.ht> wrote:
> 
> It’s a mount partition you should check that probably it is nfs. 
> 
> Good luck. 
> 
>> Il giorno 21 ago 2022, alle ore 07:43, Austin Witmer <austin96 at emypeople.net> ha scritto:
>> 
>> Thanks to all of your for your input!
>> 
>> I think I may have gotten this resolved. More time and testing will tell! More details later . . .
>> 
>> Austin Witmer
>> 
>> 
>>> On Aug 20, 2022, at 9:06 AM, Erwan David <erwan at rail.eu.org <mailto:erwan at rail.eu.org>> wrote:
>>> 
>>> Le 20/08/2022 à 16:52, Austin Witmer a écrit :
>>>> Hello all!
>>>> 
>>>> Recently I upgraded my mail server to Ubuntu 22.04 LTS and ever since then I am periodically getting some dovecot errors like the below in my mail log. As far as I can tell, my unix perms are just fine. What is ACL/MAC?
>>>> 
>>>> Aug 20 14:41:58 mail dovecot: imap(user at domain.com <mailto:user at domain.com>)<56316><1NieGKPmuOdKwxVI>: Error: Mailbox INBOX: stat(/mnt/volume1/mailserver/plain/maildir/domain.com/user/dovecot.index.log <http://domain.com/user/dovecot.index.log> <http://domain.com/user/dovecot.index.log <http://domain.com/user/dovecot.index.log>>) failed: Permission denied (euid=1000(austin) egid=1000(austin) UNIX perms appear ok (ACL/MAC wrong?))
>>>> 
>>>> And here is the listing showing the permissions for that file.
>>>> 
>>>> *austin at mail*:*~*$ ls -la /mnt/volume1/mailserver/plain/maildir/domain.com/user/dovecot.index.log <http://domain.com/user/dovecot.index.log> <http://domain.com/user/dovecot.index.log <http://domain.com/user/dovecot.index.log>>
>>>> -rwxrwxr-- 1 austin austin 15796 Aug 20 14:41 */mnt/volume1/mailserver/plain/maildir/domain.com/user/dovecot.index.log <http://domain.com/user/dovecot.index.log> <http://domain.com/user/dovecot.index.log <http://domain.com/user/dovecot.index.log>>*
>>>> 
>>>> What in the world is causing these errors, and what can I do about them?
>>>> 
>>>> Thanks in advance!
>>>> 
>>>> Austin Witmer
>>> 
>>> Did you check wether your linux distribution uses SeLINUX or Apparmor ? In that case you would have to check their policy to give dovecot access to this directory.
>>> 
>> 

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