The Red Hat Linux Networking & Security Administration course provides knowledge and skills for Linux- and/or UNIX- systems administrators who want to build proficiency at configuring common network services and security administration using Red Hat Linux. This course is updated for building skills on Red Hat Enterprise Linux and Red Hat Linux 9.
Format
This course is presented using Sun's web-based Live Virtual Class (LVC). The LVC is a dynamic and fully interactive online learning environment that features live teaching collaboration, and instructor-assisted activities.
Lab Information
The hands-on online labs offered in this course involve accessing equipment through a network terminal session. Students will not have physical access to this equipment. Students will access the equipment through Sun's Remote Lab Data Center (RLDC).
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Languages
English
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Who Can Benefit
Linux or UNIX system administrators who already have some real world experience with Red Hat Linux systems administration and want a first course in networking services and security.
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Prerequisites
To succeed fully in this course, students should be able to:
- Have completed RH-133: Red Hat Linux System Administration or have equivalent experience with Red Hat Linux
- Understand LAN/WAN fundamentals or equivalent
- Understand Internetworking with TCP/IP or equivalent
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Skills Gained
N/A
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Related Courses
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Course Content
Module 1 - Introduction to Network Services
- Red Hat Linux Network Components
- Connecting Networks
- Service Management
- chkconfig
- xinetd Services
- The xinetd Daemon
Module 2 - System Identity
- DNS Basics
- Zones, Domains & Delegation
- Internet DNS Hierarchy
- Name Server Hierarchy
- Client-side DNS
- Server-side DNS
- Berkeley Internet Name Daemon (BIND)
- Configuring BIND
- Configuration File Basics
- Address Match Lists and acl
- Zone Files
- Main Record Types
- Delegating Subdomains
- Caching-only Name Server
- Round Robin Load Sharing through DNS
- BIND Utilities
- rndc
- BIND Syntax Utilities
Module 3 - The Samba Service
- Samba Introduction
- Samba Services
- Samba Daemons
- Configuring Samba
- Configuring File and Directory Sharing
- Enabling WINS Support
- Printing to the Samba Server
- Authentication Methods
- testparm
- Samba Client Tools: smbclient
- nmblookup
- smbmount
Module 4 - Electronic Mail Services
- sendmail Features
- Security and "Anti-Spam" Features
- An Email 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
Module 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
Module 6 - NFS, FTP and DHCP Services
- FTP
- NFS File Sharing
- NFS Server
- Client-side NFS
- DHCP Overview
- Configuring a DHCP Server
- DHCP Configuration Example
Module 7 - Security Concerns and Policy
- Security Terms
- Basic Network Security
- Definitions of Common Terms
- Security Policy
- Intrusion Detection
- Responding to a Break-In
- Backup Policies
Module 8 - 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
Module 9 - 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
Module 10 - 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"
Module 11 - Securing Services
- SystemV Startup Control
- Which Services Are Running?
- Remote Service Detection
- Securing the Service
- tcp_wrappers Configuration
- Daemon Specification
- Client Specification
- Advanced Syntax
- xinetd-based security
- xinetd Access Control
- Host Patterns
- Advanced Security Options
Module 12 - 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
Module 13 - Network and Service Troubleshooting
- Troubleshooting
- Troubleshooting Services
- Troubleshooting Networking
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