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Re:Fail2ban Sucks by pepa65 on Monday January 01, 2024 @10:09PM (#38837623)
If that is your worry, use net.ipv4.ip_local_reserved_ports
Re:Fail2ban Sucks by bshipp on Monday January 01, 2024 @11:26PM (#38838107)
Indeed, although because I heavily utilized Docker I also ended up using UFW-Docker. It was fairly straightforward to incorporate into my startup scripts.

https://github.com/chaifeng/ufw-docker