Passwords

Configure the minimum password length on Linux systems

One of the options to improve password security is by setting a minimum password length. This article explains how to configure and test this security step.

Summary of Configure the minimum password length on Linux systems

Linux and password strength One of the options to improve password security is by setting a minimum length. This prevents users from choosing easy passwords. As part of Linux system hardening, you don’t want your passwords to be cracked too quickly by modern password crackers. Configuration Let’s have a look at how to configure password security and in particular the length and its strength. Login settings The first area where you can set a password length is in /etc/login.

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File Integrity of Password Files

Proper password management, together with file integrity of your password files, is important for security of your system and users.

Summary of File Integrity of Password Files

Password files on Linux are used to store user details, like your unique user ID and name. It defines who you are on the system, your access to files, and the permissions you have. Proper password management, together with file integrity of your password files, is important. It keeps your system and user accounts safe. Password Files For most Linux distributions there are two related files available: /etc/passwd and /etc/shadow. The first file defines what local users are available on the system.

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