RH253 Red Hat?? Linux Networking and Security Administration Training Class

1. Introduction to Network Services

• Red Hat Enterprise Linux Network Components


• Connecting Networks


• Service Management


• Chkconfig


• xinetd Services


• The xinetd Daemon


• Fault Analysis

2. Organizing Networked Systems

• DNS Basics


• Internet DNS Hierarchy


• Name Server Hierarchy


• Client-Side DNS


• Server-Side DNS


• Berkeley Internet Name Domain (BIND)


• Configuring BIND


• Configuration File Basics


• Address Match Lists and acl


• rndc


• Zone Files


• Main Record Types


• Delegating Subdomains


• Caching-Only Name Server


• BIND Utilities


• BIND Syntax Utilities


• Configuring the DHCP server
  
  

3. Network File Sharing Services

• Configuring NFS Services


• Configuring FTP Services


• Samba Services


• Samba Daemons


• Configuring Samba


• Configuring File and Directory Sharing


• Printing to the Samba Server


• Authentication Methods


• Samba Client Tools: smbclient and smbmount

4. Electronic Mail Services

• sendmail Features


• Security and "Anti-Spam" Features


• An E-Mail Review


• Simple Operational Overview


• Main Configuration Files


• sendmail Configuration with the m4 Macro Language


• sendmail Client Configuration


• Blacklisting Recipients


• Debugging sendmail


• Postfix


• Using Postfix


• Additional Postfix Configuration Files


• procmail Local Delivery

5. The HTTP Service

• Apache Features


• Apache Configuration


• Apache Server Configuration


• Virtual Hosts


• Apache Namespace Configuration


• CGI


• Apache Encrypted Web Server


• Squid Web Proxy Cache

6. Security Concerns and Policy

• Security Terms


• Basic Network Security


• Which Services are Running?


• Remote Service Detection


• Definitions of Security


• Security Policy


• Backup Policies

7. Authentication Services

• Authentication Basics


• Service Profile: PAM


• PAM Operation


• Core PAM Modules


• Authentication Modules


• Password Security


• Password Policy


• Resource Limits


• User Access Control


• Single User Mode


• Authentication Troubleshooting


• NIS Overview


• NIS Server Topology


• Configuring an NIS Server


• NIS Client Configuration


• NIS Troubleshooting

8. System Monitoring

• Introduction to System Monitoring


• File System Analysis


• Set User and Group ID Permissions


• Typical Problematic Permissions


• EXT2 Filesystem Attributes


• Monitoring Data Integrity with tripwire


• Configuring tripwire


• System Log Files


• syslogd and klogd configuration


• Advanced syslogd configuration


• Log File Analysis


• Monitoring and Limiting Processes


• Monitoring Processes with top


• Monitoring Processes Graphically


• System Activity Reporting


• Process Accounting Tools

9. Securing Networks

• Packet Filtering Capabilities


• Netfilter Architecture


• Netfilter Packet Flow


• Chain Operations


• Rule Targets


• Rule Matching


• Network Address Translation (NAT)


• Connection Tracking


• Rule Persistence


• The "Bastion Host"

10. Securing Services

• SystemV Startup Control


• Securing the Service


• tcp_wrappers Configuration


• Daemon Specification


• Client Specification


• Advanced Syntax


• xinetd-Based Security


• xinetd Access Control


• Host Patterns


• Advanced Security Options

11. Securing Data

• The Need for Encryption


• Cryptographic Building Blocks


• Random Numbers


• One-Way Hashes


• Symmetric Encryption


• Asymmetric Encryption


• Public Key Infrastructures


• Digital Certificates


• Generating Digital Certificates


• OpenSSH Overview


• The OpenSSH


• OpenSSH Authentication


• Protecting Your Keys


• Applications: RPM
  
  

Hands-On Labs

1. Introduction to Network Services

2. Organizing Networked Systems

3. Network File Sharing Services

4. Electronic Mail Services

5. The HTTP Service

6. Security Concerns and Policy

7. Authentication Services

8. System Monitoring

9. Securing Networks

10. Securing Services

11. Securing Data

Linux or UNIX system administrators who already have some real-world
experience with Red Hat Lin