RHCE Objectives: Network services

Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below:

  • Install the packages needed to provide the service
  • Configure SELinux to support the service
  • Use SELinux port labeling to allow services to use non-standard ports
  • Configure the service to start when the system is booted
  • Configure the service for basic operation
  • Configure host-based and user-based security for the service
  • Configure a caching-only name server
  • Troubleshoot DNS client issues

Edit /etc/named.conf

Change to any
Change query to any
Change dnssec-validation to no


Run named-checkconf

firewall-cmd –permanent –add-service=dns

firewall-cmd –reload

systemctl enable named

systemctl start named

This entry was posted in Computers and tagged . Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *