Added fail2ban, though not sure its configured correctly yet

docker/rootfs/fail2ban/action.d/firewallcmd-allports.conf

@@ -0,0 +1,46 @@
+## Version 2022/08/06
+# Fail2Ban configuration file
+#
+# Author: Donald Yandt 
+# Because of the --remove-rules in stop this action requires firewalld-0.3.8+
+
+
+[INCLUDES]
+
+before = firewallcmd-common.conf
+
+[Definition]
+
+actionstart = firewall-cmd --direct --add-chain <family> filter f2b-<name>
+              firewall-cmd --direct --add-rule <family> filter f2b-<name> 1000 -j RETURN
+              firewall-cmd --direct --add-rule <family> filter <chain> 0 -j f2b-<name>
+
+actionstop = firewall-cmd --direct --remove-rule <family> filter <chain> 0 -j f2b-<name>
+             firewall-cmd --direct --remove-rules <family> filter f2b-<name>
+             firewall-cmd --direct --remove-chain <family> filter f2b-<name>
+
+
+# Example actioncheck: firewall-cmd --direct --get-chains ipv4 filter | sed -e 's, ,\n,g' | grep -q '^f2b-recidive$'
+
+actioncheck = firewall-cmd --direct --get-chains <family> filter | sed -e 's, ,\n,g' | grep -q '^f2b-<name>$'
+
+actionban = firewall-cmd --direct --add-rule <family> filter f2b-<name> 0 -s <ip> -j <blocktype>
+
+actionunban = firewall-cmd --direct --remove-rule <family> filter f2b-<name> 0 -s <ip> -j <blocktype>
+
+# DEV NOTES:
+#
+# Author: Donald Yandt 
+# Uses "FirewallD" instead of the "iptables daemon".
+#
+#
+# Output:
+
+# actionstart:
+# $ firewall-cmd --direct --add-chain ipv4 filter f2b-recidive
+# success
+# $ firewall-cmd --direct --add-rule ipv4 filter f2b-recidive 1000 -j RETURN
+# success
+# $ sudo firewall-cmd --direct --add-rule ipv4 filter INPUT_direct 0 -j f2b-recidive
+# success
+