net_connect_unix(/var/run/dovecot/stats-writer) failed: Permission denied

[mj]

Hi,

Nobody?

It happens so rarely, and the system appears to be running fine 
otherwise, should I just ignore it?

Still makes me wonder way it would happen at all..?

MJ

On 10/22/20 12:53 PM, mj wrote:
> Hi,
> 
> We are getting very occasional messags from dovecot:
> 
>> net_connect_unix(/var/run/dovecot/stats-writer) failed: Permission denied
> 
> Over the last week, the message appeared five times. (on a mail server 
> with over 100 users, to that's basically almost never)
> 
> doveconf -n below
> 
>> # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf
>> # Pigeonhole version 0.5.4 ()
>> # OS: Linux 4.19.0-10-amd64 x86_64 Debian 10.6 xfs
> 
> snip...
> 
>> service stats {
>>   unix_listener stats-reader {
>>     group = vmail
>>     mode = 0660
>>     user = vmail
>>   }
>>   unix_listener stats-writer {
>>     group = vmail
>>     mode = 0660
>>     user = vmail
>>   }
>> }
> 
> and the on-disk permissions are:
> 
>> root at dovecot:~# ls -l /var/run/dovecot/*stat*
>> srw------- 1 root  root  0 Oct  6 00:25 /var/run/dovecot/old-stats
>> prw------- 1 root  root  0 Oct  6 00:25 /var/run/dovecot/old-stats-mail
>> prw------- 1 root  root  0 Oct  6 00:25 /var/run/dovecot/old-stats-user
>> srw-rw---- 1 vmail vmail 0 Oct  6 00:25 /var/run/dovecot/stats-reader
>> srw-rw---- 1 vmail vmail 0 Oct  6 00:25 /var/run/dovecot/stats-writer
> 
> We're not sure what makes the Permission denied error happen...
> 
> Anyone with an idea?
> 
> MJ