The firewall — iptables, firewalld and nftables

40 min Rocky Linux 9 Versions 6, 7, 8, 9, 10

Objective

Let only the necessary traffic into a server, whatever the tool of the version: iptables on RHEL 6, firewalld on RHEL 7 and later, and nftables, which does the work behind the scenes on RHEL 8+.

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