Security News > 2021 > December > How to install the ConfigServer and Security Firewall combo on Ubuntu Server
If you'd like a powerful firewall for your Ubuntu Server, but one that offers a fairly straightforward configuration, Jack Wallen thinks CSF might be the right tool for the job.
Although Uncomplicated Firewall is an outstanding security service on Ubuntu Server, there might be times when you need more.
I'll walk you through the installation of CSF on Ubuntu Server 20.04.
In order to install CSF, you'll need a running instance of Ubuntu Server and a user with sudo privileges.
Testing ip tables/iptable filter...OK Testing ipt LOG...OK Testing ipt multiport/xt multiport...OK Testing ipt REJECT...OK Testing ipt state/xt state...OK Testing ipt limit/xt limit...OK Testing ipt recent...OK Testing xt connlimit...OK Testing ipt owner/xt owner...OK Testing iptable nat/ipt REDIRECT...OK Testing iptable nat/ipt DNAT...OK RESULT: csf should function on this server How to configure CSF on Ubuntu Server 20.04.
That's all there is to installing and configuring the ConfigServer Security Firewall combination on Ubuntu Server.