Set passwords policy against a dictionary
Linux provides a module for password policy that prevents users from choosing easily guessed passwords. It is the pam_cracklib.so module in PAM.
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PAM.
3 articles on this topic
Lock user after a set number of login attempts but also automatically unlock after 5 minutes
This article explains how to lock a user after a set number of login attempts using the pam_tally module in PAM.
Configure VSFTPD uses LDAP for authentication
vsftpd is a well-known FTP server included with many Linux distributions because it is stable, fast, and secure. It is widely used as an FTP server. Normally, vsftpd supports…