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Daily Archives: April 11, 2021

Quick Tips

Disable null passwords

April 11, 2021 nlogician Leave a comment

By default, the PAM configuration files in Linux allow for null or empty passwords due to the nullok feature. From the manpage,

# man pam_unix
nullok
        The default action of this module is to not permit the user access to a service if their official password is blank. The nullok argument overrides this default.
Continue reading Disable null passwords →
linuxnullokpam.d
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