RH253 Red Hat Linux Networking and Security Administration
Course Description
For Linux- and/or UNIX- systems administrators who want to build skills at configuring common network services and security administration using Red Hat Enterprise Linux. See complete details below.
What you will learn:
Course Outline
The following is an outline of the skills and knowledge represented in the training elements of the RH253 Red Hat Linux Networking and Security Administration Course.
Note: Technical content subject to change without notice. Significant changes in course content will generally be available in posted outlines at least two months prior to being implemented in scheduled courses, to allow enrolled students adequate prep time. Reload this page regularly to insure up-to-date information.
Unit 1: System Performance and Security
- Concepts and Practices
- System Faults and Breaches
- Method of Fault Analysis
- Benefits of System Monitoring
- Managing Processes by Account
- Hands-on lab: System Monitoring
Unit 2: System Service Access Controls
- Service and Network Access Controls
- System Initialization and Service Management
- Service and Application Access Controls
- tcp_wrappers Configuration
- Security Enhanced Linux (SELinux)
- Hands-on Lab: Controlling access to certain hosts
Unit 3: Network Resource Access Controls
- Internet Protocol and Routing
- IPv6: Dynamic Interface Configuration
- IPv6: StaticInterface Configuration
- IPv6: Routing Configuration
- Netfilter Overview
- Rules: General Considerations
- Connection Tracking
- Network Address Translation (NAT)
- IPv6 and ip6tables
- Hands-on Lab: Securing Networking
Unit 4: Organizing Networked Systems
- Host Name Resolution
- DNS-Specific Resolvers
- Trace a DNS Query with dig
- Exploring DNS with host
- Service Profile: DNS
- Getting Started with BIND
- bind-chroot Package
- caching-nameserver Package
- Remote Name Daemon Control (rndc)
- The DHCP Service
- DHCP Overview
- Configuring an IPv4 DHCP Server
- Hands-on Lab: Implement a Minimal DNS Server
Unit 5: Network File Sharing Services
- File Transfer Protocol (FTP)
- Network File Service (NFS)
- Port options for the Firewall
- Samba services
- Configuring Samba
- Hands-on Lab: Network File Sharing Services
Unit 6: Web Services
- Apache Overview
- Apache Server Configuration
- Virtual Hosts
- Apache Access Configuration
- CGI
- Apache Encrypted Web Server
- Squid Web Proxy Cache
- Hands-on Lab: Implementing Web (HTTP) Services
Unit 7: Electronic Mail Services
- Essential Email Operation
- Simple Mail Transport Protocol
- Sendmail SMTP Restrictions
- Sendmail Operation
- Using alternatives to Switch MTAs
- Postfix Configuration
- Postfix SMTP Restrictions
- Postfix Operation
- Mail Retrieval Protocols
- Hands-on Lab: Electronic Mail
Unit 8: Securing Data
- The Need For Encryption
- Symmetric Encryption
- Asymmetric Encryption
- Public Key Infrastructures
- Digital Certificates
- Hands-on Lab: Securing Data
Unit 9: Account Management
- Account Management
- Account Information (Name Service)
- Name Service Switch (NSS)
- Pluggable Authentication Modules (PAM)
- PAM Operation
- Utilities and Authentication
- Hands-on Lab: Account Management Methods
Course Outline
The following is an outline of the skills and knowledge represented in the training elements of the RH253 Red Hat Linux Networking and Security Administration Course.
Note: Technical content subject to change without notice. Significant changes in course content will generally be available in posted outlines at least two months prior to being implemented in scheduled courses, to allow enrolled students adequate prep time. Reload this page regularly to insure up-to-date information.
Unit 1: System Performance and Security
- Concepts and Practices
- System Faults and Breaches
- Method of Fault Analysis
- Benefits of System Monitoring
- Managing Processes by Account
- Hands-on lab: System Monitoring
Unit 2: System Service Access Controls
- Service and Network Access Controls
- System Initialization and Service Management
- Service and Application Access Controls
- tcp_wrappers Configuration
- Security Enhanced Linux (SELinux)
- Hands-on Lab: Controlling access to certain hosts
Unit 3: Network Resource Access Controls
- Internet Protocol and Routing
- IPv6: Dynamic Interface Configuration
- IPv6: StaticInterface Configuration
- IPv6: Routing Configuration
- Netfilter Overview
- Rules: General Considerations
- Connection Tracking
- Network Address Translation (NAT)
- IPv6 and ip6tables
- Hands-on Lab: Securing Networking
Unit 4: Organizing Networked Systems
- Host Name Resolution
- DNS-Specific Resolvers
- Trace a DNS Query with dig
- Exploring DNS with host
- Service Profile: DNS
- Getting Started with BIND
- bind-chroot Package
- caching-nameserver Package
- Remote Name Daemon Control (rndc)
- The DHCP Service
- DHCP Overview
- Configuring an IPv4 DHCP Server
- Hands-on Lab: Implement a Minimal DNS Server
Unit 5: Network File Sharing Services
- File Transfer Protocol (FTP)
- Network File Service (NFS)
- Port options for the Firewall
- Samba services
- Configuring Samba
- Hands-on Lab: Network File Sharing Services
Unit 6: Web Services
- Apache Overview
- Apache Server Configuration
- Virtual Hosts
- Apache Access Configuration
- CGI
- Apache Encrypted Web Server
- Squid Web Proxy Cache
- Hands-on Lab: Implementing Web (HTTP) Services
Unit 7: Electronic Mail Services
- Essential Email Operation
- Simple Mail Transport Protocol
- Sendmail SMTP Restrictions
- Sendmail Operation
- Using alternatives to Switch MTAs
- Postfix Configuration
- Postfix SMTP Restrictions
- Postfix Operation
- Mail Retrieval Protocols
- Hands-on Lab: Electronic Mail
Unit 8: Securing Data
- The Need For Encryption
- Symmetric Encryption
- Asymmetric Encryption
- Public Key Infrastructures
- Digital Certificates
- Hands-on Lab: Securing Data
Unit 9: Account Management
- Account Management
- Account Information (Name Service)
- Name Service Switch (NSS)
- Pluggable Authentication Modules (PAM)
- PAM Operation
- Utilities and Authentication
- Hands-on Lab: Account Management Methods
Prerequisites:
- RH131 Red Hat Linux System Administration
- or RH133 Red Hat Linux System Administration and RHCT Exam
- or equivalent experience with Red Hat Enterprise Linux
- LAN/WAN fundamentals or equivalent; Internetworking with TCP/IP or equivalent.
Goal:
To become a system administrator who can setup a Red Hat Enterprise Linux server and configure common network services and security at a basic level.
Audience:
Linux or UNIX system administrators who already have some real world experience with Red Hat Enterprise Linux systems administration and want a first course in networking services and security.
Certification Tracks:
| Unix/Linux System Administration Experience |
Red Hat Certified Engineer Certification | ||||
|---|---|---|---|---|---|
| Red Hat Certified Technician Certification | |||||
| None | RH033 | RH131 | Exam | RH253 | Exam |
| RH133** | |||||
| Some | RH131 | Exam | RH253 | Exam | |
| RH133** | |||||
| Considerable | RH301 | Exam | |||
| RH300** | |||||
** Rapid track courses include certification exams
Prepares for:
- RH300 RHCE Rapid Track and Certification Course (includes RHCE exam)
- or RH301 Red Hat Linux Rapid Track Course (no RHCE exam)
- or RH302 Red Hat Certified Engineer Exam-Only (if participant also has significant on the job experience with Red Hat Enterprise Linux).
- RHS333 Red Hat Enterprise Security: Network Services
- Save when you bundle your courses
Includes:
- 4 days intensive training on Red Hat Enterprise Linux
- Hands-on labs and exercises
- Catered lunch in select locations
- One workstation per student!
- Student materials, pre-assessment questionnaire, study aids, handouts
- Red Hat promotional items!
Class times:
-
Monday through Thursday
- Start: 9:00am
- End: 4:30-5:00pm (depending on class progress)