Unit not found. trying to start firewall

November 22, 2017 112 views
Firewall CentOS

I am using CentOS following these instructions [ https://www.digitalocean.com/community/tutorials/additional-recommended-steps-for-new-centos-7-servers](http://) on a new droplet. Any idea what's wrong?

$ sudo systemctl start firewalld
[sudo] password for xxx:
Failed to start firewalld.service: Unit not found.

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