[Samba] Setting/Showing minimum password length > 14

Andrew Bartlett abartlet at samba.org
Tue Jan 24 20:03:14 UTC 2023

On Tue, 2023-01-24 at 14:44 -0500, Mark Foley via samba wrote:
> Our Homeland Security CISA advisor has advised setting our Windows
> domain passwords to a 16
> character minumum as, according to her, pw lengths 14 or less are
> easily cracked but 16+ are
> extremely difficult. 
> I was able to set the Windows Group Policy minimum password length to
> 16 characters, but when I
> do 'samba-tool domain passwordsettings show' it still shows Minimum
> password length: 8.
> The min=16 seems to work when Windows users change their passwords,
> but why is this not
> reflected in samba-tool? My Samba version is 4.8.2. Is that too old
> for this attribute?

On a version that old, bad passwords are the least of your concerns. 

Newer versions can interpret the group policy values, as I understand
it (look at David Mulder's work) but the traditional way to set these
is via 'samba-tool domain passwordsettings set' which is supported and

Andrew Bartlett
Andrew Bartlett (he/him)       https://samba.org/~abartlet/
Samba Team Member (since 2001) https://samba.org
Samba Team Lead, Catalyst IT   https://catalyst.net.nz/services/samba

Samba Development and Support, Catalyst IT - Expert Open Source

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