This is some long-form content by @risottobias@tech.lgbt. Here's a navbar post.
Some basics I always like...
apt install fail2ban
edit /etc/fail2ban/jail.conf
[sshd]
backend = systemd # change this line
Restart things:
systemctl enable fail2ban
service fail2ban reload
Check on bans:
fail2ban-client status sshd
#tutorial #linux