Course Description

This course is for Linux and / or Linux system administrators, who want to build skills on configuring common network services and security administration using Red Hat Linux.

Course Duration

34hrs.

Benefits

1. Self-repairing of configuration files
2. Proactive planning than reactive troubleshooting
3. Reduced errors
4. Automate operations
5. Quick and easy recovery
6. More servers per administrator

Target Audience

Linux or Unix system administrators who already have some real world experience with Red Hat Linux system administration and wants to secure their network infrastructure.

Mandatory pre-requisites

RH133 Red Hat Linux System Administration or equivalent experience with Red Hat Linux. LAN/WAN fundamentals or equivalent, inter-networking with TCP/IP equivalent knowledge.

Helpful pre-requisites

1. Red Hat Linux Essential (RH033)
2. Red Hat Linux Administration (RH133)

Detailed Course Outline

System Security: Concepts, Policy and Best Practices

Identify the Roles of System Resources
Describe Security Domains
Explain a Response Strategy
Describe System Faults
Explain System Fault Analysis Methods

Review: Essential System Administration Tools

Interpret file permissions
Install and get information about packages
Describe how services are managed
Configure network interfaces
Access virtualized systems

Securing Data

Understand fundamental encryption protocols
Describe encryption implementations in Red Hat Enterprise Linux
Configure encryption services for common networking protocols

SELinux

Change SELinux mode
Modify file security contexts
View and manipulate SELinux Booleans
Troubleshoot SELinux problems

Access Control with Netfilter

Describe the Netfilter architecture
Configure packet filtering rules using GUI and CLI tools
Configure network address translation (NAT) rules
Filter and disable IPv6 traffic

Access Control with TCP Wrappers

Configure Host Access to Services
Configure xinetd Services

Configuring Authentication with PAM

Understand the basics of authentication
Understand the roles of NSS and PAM

Web Services

Describe major features of the apache HTTP server
Configure important Apache parameters
Implement per-directory configuration
Activate CGI capability with Apache
Identify key modules
Understand proxy web servers

Introduction to Organizing Networked Systems

Understand host name resolution and its impact on networked systems organization
Describe the Domain Name System (DNS)
Use common utilities to explore and verify DNS server operation
Install and deploy a BIND caching only nameserver

Advanced Topics in Organizing Networked Systems

Perform essential BIND DNS configuration
Configure BIND DNS zone files
Test and verify zone configuration
Describe DHCP Services
Configure a basic DHCP server

Network Services

Configure Network File System (NFS) file sharing
Describe the NFS service
Configure a network mountable directory
Secure your new NFS share for use in an internal network only

Samba Services (SMB)

Share files with a variety of other operating systems
Connect to CIFS shares

Electronic Mail Services

Understand basics of SMTP and e-mail terminology
Change the default local mail server
Perform simple configuration of Sendmail and Postfix
Set up Procmail with SpamAssassin
Configure Dovecot for IMAP/POP3 with SSL
Perform basic e-mail troubleshooting