samba-tool domain passwordsettings
samba-tool domain passwordsettings is a Samba utility that allows administrators to view and modify domain-wide password policy settings for a Samba Active Directory domain. It lets you enforce security measures such as minimum and maximum password age, minimum password length, password history, and account lockout policies.
Overview
Purpose: Manage and enforce password policies across your domain, ensuring that user credentials adhere to your organization’s security requirements.
Key Functions:
Display current domain password policy settings.
Modify settings such as:
Minimum and maximum password age.
Minimum password length.
Password history length.
Account lockout thresholds and duration.
(Additional options may include password complexity settings and reversible encryption.)
Common Subcommands and Options
Viewing Current Password Settings
To display the current password policy, run:
This outputs details like:
Minimum password age
Maximum password age
Minimum password length
Password history length
Lockout threshold and duration
Password complexity requirements
Setting Password Policies
Use the set subcommand with the appropriate options to modify a policy.
Set Minimum Password Age
Sets the minimum password age to 1 day.
Set Maximum Password Age
Sets the maximum password age to 90 days.
Set Minimum Password Length
Requires a minimum of 8 characters for passwords.
Set Password History Length
Keeps a history of the last 5 passwords to prevent reuse.
Configure Account Lockout Policy
Locks an account after 5 failed login attempts for 30 minutes.
Additional Options
Depending on your Samba version, you might have additional options to:
Configure password complexity settings.
Enable or disable reversible encryption.
Manage notification settings for expiring passwords.
Example Usage
Viewing the Current Password Policy:
Example output:
Enforcing a New Policy: To require passwords to be at least 10 characters long and to remember the last 7 passwords:
Best Practices
Ensure Compliance: Align password settings with your organization's security policies to mitigate risks like brute-force attacks and password reuse.
Test Changes: Always test policy changes in a non-production environment first, as overly strict settings might inadvertently lock out users.
Document and Backup: Keep a record of your current settings and back up your Samba configuration, so you can restore policies if needed.
Conclusion
The samba-tool domain passwordsettings command is essential for administering password policies in a Samba Active Directory environment. It provides a straightforward way to view and enforce critical security measures, ensuring that domain-wide credentials meet the required standards and protecting against common security threats.
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