Components of the Exam
The Enterprise Security: Network Services Expertise Exam is organized into two sections:
- Centralized Authentication Security: 3.0 hours
- Network Service Security: 3.0 hours
In order to earn the Enterprise Security: Network Services Certificate of Expertise, one must earn a score of 70 or higher on each section.
Study Points for the Exam
Prerequisite skills for the Exam
Candidates must be a Red Hat Certified Engineer on a release that is considered current in order to take this exam.
Enterprise Security: Network Services
Candidates should be able to perform the tasks listed below.
Centralized Authentication Security
- configure an NIS server to provide directory services
- configure Kerberos to provide user authentication
- configure NFSv4 server
- configure a network client to use NIS for directory information
- configure a network client to use Kerberos for authentication
- configure a network client to mount an NFSv4 export
- configure r-clients (rlogin, rcp, etc.) and telnet to use Kerberos
Network Services Security
- Use xinetd and TCP wrappers to restrict access to network services
- Configure Postfix and Sendmail to:
- filter mail based on message characteristics
- use TLS for secure communication
- use the Real-time Blackhole List (RBL) via DNS
- Configure POP/IMAP to use SSL/TLS for secure communication
- Configure the following aspects of DNS:
- master domain
- slave domain
- views
- forwarders
- blackhole lists (RBL)
- TSIG
- Use GPG tools to:
- generate key pairs
- sign documents
- encrypt documents
- decrypt documents
- verify document signatures
- configure a certificate authority (CA) and sign certificate requests
- configure httpd to use a SSL certificate signed by a certifying authority
- configure httpd to use passwords and/or network location to restrict access to content
- configure FTP security to
- support FTP only users
- implement host based access restrictions
As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.
