[Samba] Problems with event logging on File Server

Marcio B. marciobacci at gmail.com
Tue Mar 2 15:04:45 UTC 2021

Yesterday, I enabled the full_audit module on my Samba4 file server,
however I noticed that the logs grow a lot. From yesterday to today it was
20GB and I have approximately 500 users on the network.
I noticed that the logs are basically recorded with the same information in
/var/ log/syslog and also in /var/log/samba/username.log  and not just in

Here is my domain member Samba4 configuration file:
    netbios name = FILESERVER
    workgroup = EMPRESA
    security = ADS
    realm = EMPRESA.COM.BR
    #encrypt passwords = yes
    username map = /etc/samba/user.map
    log file = /var/log/samba/%U.log
    log level = 3 passdb:5 auth:5
    max log size = 2000

    idmap config * : backend = tdb
    idmap config * : range = 3000-7999
    idmap config EMPRESA:backend = ad
    idmap config EMPRESA:schema_mode = rfc2307
    idmap config EMPRESA:range = 10000-999999
    idmap config EMPRESA:unix_nss_info = yes
    idmap config EMPRESA:unix_primary_group = yes

    winbind refresh tickets = Yes
    winbind use default domain = yes
    winbind enum users = yes
    winbind enum groups = yes
    vfs objects = acl_xattr full_audit recycle
    full_audit:success = open, write, unlink, rename, rmdir
    full_audit:failure = none
    full_audit:facility = local7
    full_audit:priority = alert
    full_audit:prefix = %I|%S|%u

    recycle:repository = .TRASH/%U
    recycle:directory_mode = 770
    recycle:keeptree = yes
    recycle:versions = yes
    recycle:exclude = *.mp3, *.mp4, *.exe, *.bat, *.ini, *.mpeg, *.msi

    map acl inherit = yes
    store dos attributes = yes

    template shell = /bin/bash
    template homedir = /home/%U

    dedicated keytab file = /etc/krb5.keytab
    kerberos method = secrets and keytab

    include = /etc/samba/ext-bloqueadas
    load printers = no
    printing = bsd
    printcap name = /dev/null
    disable spoolss = yes

        path =  /STORAGE/Empresa
        read only = no

Could someone help me adjust these log settings?


Márcio Bacci

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