Private bug trackers disclose data about bug reports to any website that publishes information about security vulnerabilities or other issues that affect the organization.
Not everything integrates with the systemd journal. Here is how you can force-feed log files from programs that don’t work with systemd into the journal.
Some network services should only be exposed to other computers on the same trusted network. Here is how you set that up with trusted zones in FirewallD for centOS, Fedora, and RHEL.