[Samba] another question about account locking

TAKAHASHI Motonobu monyo at monyo.com
Thu Jan 13 11:56:29 MST 2011

2011/1/14 Kevin Taylor <groucho.64738 at hotmail.com>:

> I did give it a try with no luck. However, I'm not sure that the way the pam rules I have set out would cause that to trip anyway.
> On most of our linux machines, we'd have the system-auth looking like this (what is the default generated by system-config-authentication)
> auth        required      pam_env.so
> auth        sufficient    pam_unix.so nullok try_first_pass
> auth        requisite     pam_succeed_if.so uid >= 500 quiet
> auth        sufficient    pam_ldap.so use_first_pass
> auth        required      pam_deny.so
> So, if the LDAP lookup of whatever authentication information fails, then the user will be denied. That's fine...but in practice, once the LDAP server locks out the account, samba still is able to read what it needs from the sambantpassword field, and thus approves the connection.

Sorry, auth section will not work with Samba, as described in smb.conf(5).
I put pam_deny.so into account section. For example,
/etc/pam.d/common-account on
my lenny box:

account required        pam_unix.so
account required       pam_deny.so

This means always FAIL at account section.

To check if an account is disabled is usually done at account section, I think.

TAKAHASHI Motonobu <monyo at samba.gr.jp>

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