Linux Network and Host Security
Take your Linux sysadmin skills to the next level and keep moving along your LFCS/RHCSA and LFCE/RHCE path. This course introduces you to a deeper level of network and system administration. Topics include security concepts and architectures, securing networks and services with Linux, and remote access tools and techniques such as OpenSSH.
What you'll learn
Looking to boost your knowledge of Linux abilities as a system administrator? This course, Linux Network and Host Security, introduces you to a deeper level of network and system administration. First, you will look at managing system services with systemd. Next, you will dive deep into system and network performance, where you will learn techniques and tools to monitor system performance. Finally, you will jump into how to manage software on your system and in your data center with advanced packages management and wrap up with sharing data among your systems with NFS and Samba. By the end of this course, you'll know how to drive the most value out of your Linux systems by providing advanced network services and keeping your systems online and performing well.
Table of contents
- Introduction, Course, and Module Overview 1m
- Linux Security Domains, Security Concepts, and Security Threats 4m
- Security Architecture - Host 3m
- Security Architecture - Network 2m
- Our Focus in This Course and Firewall Architectures 3m
- System Logging 1m
- Demo: Configuring Local and Remote Logging with rsyslog 8m
- Module Overview and What's Next 1m
- Introduction, Course, and Module Overview 1m
- Firewalls 2m
- Linux Firewall Architecture 1m
- netfilter - Terminology and Tables and Chains 2m
- netfilter - Targets and States 2m
- Default Tables and Their Chains 2m
- iptables - Commands and Syntax and Service Configuration 3m
- Demo: Working with iptables 12m
- TCP Wrappers - Concepts and Configuration 3m
- Demo: Securing a Network Service with TCP Wrappers 3m
- Basic Troubleshooting, Module Overview, and What's Next 2m
- Introduction, Course, and Module Overview 1m
- Linux Firewall Architecture and firewalld 2m
- firewalld - Zones 3m
- firewalld - Default Zone 1m
- firewalld - Services 1m
- Configuring firewalld 2m
- firewalld - Configuration Files 2m
- Demo: firewalld, Installation, Configuring and Tools 13m
- Network Address Translation and Port Forwarding 5m
- Demo: Network Address Translation 3m
- Demo: Port Forwarding 3m
- Module Overview and What's Next 0m
- Introduction, Module, and Course Overview 1m
- Remote Access Concepts 1m
- OpenSSH 2m
- OpenSSH - Cryptograhy and Key Exchange 2m
- Authentication with OpenSSH 1m
- Public Key Authentication 1m
- OpenSSH Package, Client, and Server Configuration 2m
- Demo: Configuring SSH Remote Access Using Public/private Keys 10m
- Module Overview and What's Next 1m
- Introduction, Course, and Module Overview 1m
- SSH Commands and Programs 2m
- Securely Copying Files and Remote Command Execution 1m
- Demo: Securely Copying Files and Remote Command Execution 7m
- SSH Tunneling 2m
- Remote Desktops: X11 and VNC 1m
- Demo: SSH Tunnels and VNC Installation and Setup 13m
- Demo: Connecting to VNC Over and SSH Tunnel 4m
- Module Overview and Course Wrap Up! 1m