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5.2. Types

Label files with the samba_share_t type to allow Samba to share them. Only label files you have created, and do not relabel system files with the samba_share_t type: Booleans can be turned on to share such files and directories. SELinux allows Samba to write to files labeled with the samba_share_t type, as long as /etc/samba/smb.conf and Linux permissions are set accordingly.
The samba_etc_t type is used on certain files in /etc/samba/, such as smb.conf. Do not manually label files with the samba_etc_t type. If files in /etc/samba/ are not labeled correctly, run restorecon -R -v /etc/samba as the root user to restore such files to their default contexts. If /etc/samba/smb.conf is not labeled with the samba_etc_t type, the service smb start command may fail and an SELinux denial may be logged. The following is an example denial logged to /var/log/messages when /etc/samba/smb.conf was labeled with the httpd_sys_content_t type:
setroubleshoot: SELinux is preventing smbd (smbd_t) "read" to ./smb.conf (httpd_sys_content_t). For complete SELinux messages. run sealert -l deb33473-1069-482b-bb50-e4cd05ab18af