[CentOS] permission problems with avamis and Centos 6.3

Rob linux at robertpaasche.net
Thu Jan 24 19:22:47 UTC 2013



On 24.01.2013, at 19:15, Robert Moskowitz <rgm at htt-consult.com> wrote:

> Thank you for your suggestion, but it did not fix the permissions problem.
> 
> On 01/24/2013 10:13 AM, Rob wrote:
>> usermod -a -G amavis clam
> 
> How is this different from:
> 
> gpasswd -a clam amavis
> 
> And I am still getting the permissions error.
> 
>> service clamd restart
>> 
>> be happy
>> 
>> On 24.01.2013, at 04:16, Robert Moskowitz <rgm at htt-consult.com> wrote:
>> 
>>> I am trying to follow:
>>> 
>>> http://wiki.centos.org/HowTos/Amavisd
>>> 
>>> Which seems to really be written for Centos 5, with just some selinux
>>> references for Centos 6.  There are real problems here for Centos 6 with
>>> the userids section.
>>> 
>>> It gives the following command and result:
>>> 
>>> cat /etc/passwd | grep "amavis\|clamav"
>>> clamav:x:101:102:Clam Anti Virus Checker:/var/clamav:/sbin/nologin
>>> amavis:x:102:103:Amavis email scan user:/var/amavis:/bin/sh
>>> 
>>> But my Centos 6.3 has:
>>> 
>>> clam:x:494:490:Clam Anti Virus Checker:/var/lib/clamav:/sbin/nologin
>>> amavis:x:493:489::/var/spool/amavisd:/sbin/nologin
>>> 
>>> Note the difference in userid clam instead of clamav.  So this causes
>>> problems with the group recommendation:
>>> 
>>> In addition, the clamav user should automatically have been added to the
>>> amavis group:
>>> 
>>> # groups clamav
>>> clamav : clamav amavis
>>> 
>>> If not, you can manually add clamav to the amavis group:
>>> 
>>> gpasswd -a clamav amavis
>>> 
>>> 
>>> so I did:
>>> 
>>> gpasswd -a clam amavis
>>> 
>>> 
>>> So far, it seems just changing what userid is now used by clamav...
>>> 
>>> But in testing for spam I see the following in /var/log/maillog
>>> 
>>> Jan 23 15:56:17 test1 amavis[25669]: (25669-01) (!)run_av (ClamAV-clamd)
>>> FAILED - unexpected ,
>>> output="/var/spool/amavisd/tmp/amavis-20130123T155617-25669/parts:
>>> lstat() failed: Permission denied. ERROR\n"
>>> 
>>> I checked this directory tree and all along the tree the permissions are
>>> to amavis:amavis
>>> 
>>> So where is my permission problem?
>>> 
>>> 
>>> _______________________________________________
>>> CentOS mailing list
>>> CentOS at centos.org
>>> http://lists.centos.org/mailman/listinfo/centos
>> _______________________________________________
>> CentOS mailing list
>> CentOS at centos.org
>> http://lists.centos.org/mailman/listinfo/centos
> 

What are the permission for /var/spool/amavisd.

Did you try:
service clam stop
service clam start
Instead of:
restart?   (it is not the same)



More information about the CentOS mailing list