Linux Security & Hardening, The Practical Approach
Linux Security & Hardening, The Practical Approach
Introduction
· About Security
· Tips & Tricks
Physical Security of a Linux Box
· Overview of Physical Security
· BIOS Firmware Security
· Set BIOS Password
· Single User Mode Security (RHEL6/7)
· How to set password at Single User Mode
· Securing Boot Loader
· Section Summary
PAM (Pluggable Authentication Modules)
· Overview of PAM Security
· Concepts of PAM
· PAM Modules & Configurations
· PAM Module Groups
· Control Flags in PAM
· PAM Modules
Account Security
· Overview of User Account Security
· User Account Information
· Forcing strong passwords
· Pam_pwquality - Password strength-checking
· Security by Account Locked
· Account Locked using pam_faillock PAM module - Lab Session
· Understanding Password Aging Policy
· Practice Lab Session
File System Security
· Overview of File & Directory Permission
· Access mode
· Change Permission & Ownership
· ACL
· Controlling files with ACL
· ACLs demo
· Practice Lab Session
General Security
· Keep your system updated
· Disable USB stick
· Turn off IPv6
· Restrict users to use old passwords
· Check password expiration
· Verify accounts for Empty password
· Verify accounts for “Zero” UID
· Review logs regularly
· Keep /boot as read only
Network Security
· Overview of Network Security
· Openssh Security
· Securing SSHD
· Linux Firewall
· Packet flow via firewall
· Configuring the Firewall from the Command Line
· Enable, Disable services at firewall
· Port forwarding in firewall
· Secure web server via firewall
· Masquerading & port forwarding - Lab Session
· Rich rules using firewalld
Implementing Mandatory Access Control with SELinux
· How SELinux Can Benefit a Systems Administrator?
· SELinux Security Concepts
· SELinux Modes
· SELinux – Lab Session
· Configuring SELinux Contexts
· SELinux Booleans
· Audit logs & Troubleshooting SELinux
Linux Security guide with practical hardening tips to prevent Linux server from hackers & protect it against hacking.
Url: View Details
What you will learn
- Physical Security of a Linux Box
- BIOS Firmware Security
- Single User Mode Security (RHEL6,7)
![](https://img-c.udemycdn.com/course/240x135/1954786_1cb3.jpg)
Rating: 4.75
Level: Intermediate Level
Duration: 7 hours
Instructor: Shikhar Verma • 60k+ Students Worldwide
Courses By: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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