Block SSH brute force attacks for 5 minutes using nftables on Linux firewall

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iptables is history. It is deprecated and replaced by nftables since 2014.
Now nftables is a mature firewall interface for Netfilter in the Linux kernel.

One requires to learn nftables, its language, syntax, and new features to be able to cope with modern Linux operating systems.

If a company's firewall is still mainly on iptables, it is taught in this course, how to transform rules from iptables to nftables easily.

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Very useful .. my intention is to have two levels of escalation so that casual spammers of short duration (e.g. 3 in 1m, then stop) get little to no penalty but constant spam on a regular interval over 5m or more get caught.

lrrikin
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Fk this.... iptables easier and quicker anyday. Wtf did latest ubuntu ship with this crappp?

jasbindersingh