[Samba] Samba 4 permissions error

Jason Voorhees jvoorhees1 at gmail.com
Mon Apr 25 15:59:51 UTC 2016

Hello guys.

I have a Zentyal 4.2 server which runs Samba 4.3.5 and ACLs for every
share. It's currently working fine, no isssues, everyone can access
their folders without problems.

I've built a Samba 4.3.5 server in a different host which is not a
Zentyal server. I've configured this 2nd server as DC. Once a day I
run a script to synchronize all shares from my Zentyal to this Samba
4.3.5 server using rsync -aAHS.

I can see that all ACLs and permissions are correctly replicated to
the destination server but I'm unable to access any shares there.

When using a username for testing, I'm able to access a share on the
origin server but I can't do it in the destination server. However, if
I login with this user at the OS Linux (sudo su - username) I can
access the UNIX directory without issues.

It's strange how UNIX ACLs and permissions allow this username to
access a certain directory but Samba doesn't even if the configuration
of this share is exactly the same in both the origin and destination
Samba server.

This is a portion of the log I see when my username tries to access a
share on the destiation server:

[2016/04/25 10:42:33.861169,  3] ../source3/smbd/process.c:1490(switch_message)
  switch message SMBtrans2 (pid 10685) conn 0x55dc388d81b0
[2016/04/25 10:42:33.861237,  3]
  chdir (/home/samba/shares/Central) failed, reason: Permission denied
[2016/04/25 10:42:33.861279,  3] ../source3/smbd/error.c:82(error_packet_set)
  NT error packet at ../source3/smbd/process.c(1609) cmd=50
[2016/04/25 10:42:37.766316,  3] ../source3/smbd/process.c:1880(process_smb)

OK, I know I haven't provided any extra info about my Samba
configuration files or any other useful information. But as there's a
lot of info I could share with all of you I'd like to know which info
you might need to troubleshoot this.

I hope someone can point me to some solution or procedure for fixing
this problem.

Thanks in advance

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