October 2016
Beginner
406 pages
7h 50m
English
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Enforcing password restrictions
A weak password can be one of the weakest security points of any system. Simple passwords are susceptible to brute-force attacks and long-lived passwords, if they are compromised, provide a wide window of opportunity for malicious activity. Because of this, it's important to ensure that your users choose sufficiently complex passwords and change them regularly. This recipe shows you how to strengthen your system's security by enforcing various restrictions on users' passwords. You'll learn how to specify the minimum complexity requirements for a password, how long before a password must be changed, and how to lock down an account after a number of failed login attempts.
Getting ready
This recipe requires a CentOS ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.