SSH Guard as Docker Image.
most simple way of running the container
docker run -d --net=host --cap-add=CAP_NET_ADMIN,CAP_NET_RAW -v /var/log/journal:/var/log/journal:ro noenv/sshguard
nft list set ip sshguard attackers
nft list set ip6 sshguard attackers
nft list table ip sshguard
nft list table ip6 sshguard
single ipv4
nft delete element ip sshguard attackers { 10.20.30.40 }
flush whole list
nft flush ip sshguard attackers