VMware Cloud Foundation 5.1

5.2 5.1 5.0 4.5
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Configure the Local User Password Complexity Policy for SDDC Manager

Define the password format requirements for local users of the SDDC Manager appliance.
Setting
Default Value
Description
minlen
8
Minimum password length
lcredit
-1
Maximum number of lowercase characters that will generate a credit
ucredit
-1
Maximum number of uppercase characters that will generate a credit
dcredit
-1
Maximum number of digits that will generate a credit
ocredit
-1
Maximum number of other characters that will generate a credit
minclass
4
Minimum number of character types that must be used (that is, uppercase, lowercase, digits, other)
difok
4
Minimum number of characters that must be different from the old password
retry
3
Maximum number of retries
maxsequence
0
Maximum number of times a single character may be repeated
remember
5
Maximum number of passwords the system remembers

UI Procedure

  1. Log in to the SDDC Manager appliance using SSH as
    vcf
    .
  2. Change to the
    root
     user.
    su -
  3. Back the password requirement using the following command.
    cp -p /etc/pam.d/system-password /etc/pam.d/system-password-`date +%F_%H:%M:%S`.back
  4. Verify that all settings for configuring password requirements for SDDC Manager users are added in the
    /etc/pam.d/system-password
     file.
    # Begin /etc/pam.d/system-password

password   required pam_pwhistory.so remember=5 retry=5 enforce_for_root use_authtok
password   required pam_pwquality.so dcredit=-1 ucredit=-1 lcredit=-1 ocredit=-1 minlen=7 difok=4 minclass=4 maxsequence=0 enforce_for_root
password   required pam_unix.so sha512 shadow use_authtok

# End /etc/pam.d/system-password
  5. If some settings are missing in the
    /etc/pam.d/system-password
     file, add them manually.
  6. After all required settings are added in the
    /etc/pam.d/system-password
     file, set their values according to the requirements of your organization using the following commands.
    sed -i -E 's/dcredit=[-]?[0-9]+/dcredit=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/ucredit=[-]?[0-9]+/ucredit=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/lcredit=[-]?[0-9]+/lcredit=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/ocredit=[-]?[0-9]+/ocredit=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/minlen=[-]?[0-9]+/minlen=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/difok=[-]?[0-9]+/difok=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/retry=[-]?[0-9]+/retry=<your_value>/g' /etc/pam.d/system-password
sed -i -E 's/remember=[-]?[0-9]+/remember=<your_value>/g' /etc/pam.d/system-password

PowerShell Procedure

  1. Start PowerShell.
  2. Replace the values in the sample code and run the commands in the PowerShell console.
    $sddcManagerFqdn = "sfo-vcf01.sfo.rainpole.io"
$sddcManagerUser = "administrator@vsphere.local"
$sddcManagerPass = "VMw@re1!"

# Replace with the name of your management domain
$sddcDomainName = "sfo-m01"

$rootPass = "VMw@re1!"
$minLength = "6"
$minLowercase = "-1"
$minUppercase = "-1"
$minNumerical = "-1"
$minSpecial = "-1"
$minUnique = "4"
$minClass = "4"
$maxSequence = "0"
$history = "5"
$maxRetry = "3"
  3. Perform the configuration by running the command in the PowerShell console.
    Update-SddcManagerPasswordComplexity -server $sddcManagerFqdn -user $sddcManagerUser -pass $sddcManagerPass -rootPass $rootPass -minLength $minLength -minLowercase $minLowercase -minUppercase $minUppercase -minNumerical $minNumerical -minSpecial $minSpecial -minUnique $minUnique -minClass $minClass -maxSequence $maxSequence -history $history -maxRetry $maxRetry

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